# Math

Fourth Grade

What the Math Standards Look Like in 4th Grade Classroom? (Video Series)

Common Core State

Standardsand Standards of Mathematical Practice

Priority Standards-Where to focus? Overview - At A Glance of K-5 CCSSM Flip Books-details on the standards and examples Mathematical Practices Poster

Progressions Documents

- Draft Front Matter
- Draft K-6 Progression on Geometry
- Draft K-5 Progression on Measurement and Data (Measurement part)
- Draft K-5 Progressions on Measurement and Data (data part)
- Draft K-5 Progressions on Number and Operations in Base Ten
- Draft K-5 Progressions on Counting and Cardinality and Operations and Algebraic Thinking
- Draft 3-5 Progressions on Number and Operations-Fractions

What Does it Look Like When you Implement a Framework Task? Video Series

What the Math Standards Look Like in 4th Grade Classroom? (Video Series)

CCGPS Georgia Mathematics Units Frameworks (link to Georgia site)

Whole Numbers, Place Value and

Rounding in ComputationUnit 1 Unit 1 Resources Multiplication and Division of Whole NumbersUnit 2 Unit 2 Resources Fraction EquivalentsUnit 3 Unit 3 Resources Operations with FractionsUnit 4 Unit 4 Resources Fractions and DecimalsUnit 5 Unit 5 Resources GeometryUnit 6 Unit 6 Resources MeasurementUnit 7 Unit 7 Resources

4th grade- Formative Assessment Link

Georgia Math Glossary Common Core Math Glossary

Literature List by Unit Hershey Fraction Book by Jeffy Pallotta-ppt

Smarter Balanced Assessment Information

Culminating assessments at the end of every unit(The recording sheet and scoring guide are used to see if students Need Development, are Making Progress, or are Strongly in Place on a particular standard.)Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 Unit 6 Unit 7

Efficient Assessment Ideas(These are embedded lessons that can be used as evidence of progress towards a standard.)Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 Unit 6 Unit 7

Number Talk Assessments(These are used to see progress of strategies and attainment of grade level standards- See Chapter 2.)

Wanting to support struggling learners? Check out the Support Materials Website Overview

Common Roseburg Grade 4 Problem Solving

New!! Habits of Mind and Interaction Posters

Structuring Student Math Talk Posters

Unit 1

- http://illuminations.nctm.org/LessonDetail.aspx?ID=L367 Use this resource as a follow-up lesson to extend place value understanding.
- http://www.prometheanplanet.com/en-us/Resources/Item/109644/place-value-through-100-000 A lesson for your ActivSlate or SmartBoard to reinforce basic place value ideas through 100,000.
- http://www.mathlearningcenter.org/web-apps/number-pieces/ This resource allows students to manipulate base ten blocks virtually.
- http://www.ixl.com/math/grade-4/convert-between-place-values This serves as a means for students to practice place value understanding.
- https://www.illustrativemathematics.org/content-standards/tasks/1808 Thousands and Millions of Fourth Graders is a task from the Illustrative Mathematics website that provides students with an opportunity to apply knowledge learned about the relationship between digits in a number.
- http://www.prometheanplanet.com/en-us/Resources/Item/93852/compare-whole-numbers-to-the-millions This interactive flipchart lesson on comparing whole numbers, can be used n used with your ActivSlate or Smartboard. It can be used in whole group, small group or student led centers.
- http://www.aaamath.com/cmp.htm This online activity has students comparing large numbers and determine their placement in a series of numbers. It can serve as a center activity for practice.
- http://www.bbc.co.uk/skillswise/topic/rounding-and-estimating This resource starts with descriptions and examples, moves along to quizzes and practice sheets.
- http://studyjams.scholastic.com/studyjams/jams/math/problem-solving/psestimate-whole-numbers.htm This resource is an activity with 5-10 multiple choice questions asked in a variety of ways. It can be used as a form of assessment.
- https://www.illustrativemathematics.org/content-standards/4/NBT/B/tasks/1189 To Regroup or Not Regroup is a task from the Illustrative Mathematics website which allows students to create problems where regrouping is necessary in a variety of scenarios.
- https://learnzillion.com/lessons/3122-add-using-the-standard-addition-algorithm Add using the Addition Standard Algorithm is a video from Learnzillion that can be used as a mini-lesson to start the lesson.
- https://learnzillion.com/lessons/3160-subtract-using-the-standard-subtraction-algorithm Subtract Using the Standard Subtraction Algorithm is a video from Learnzillion that can be used as a mini-lesson to start the lesson.

Unit 2

- http://illuminations.nctm.org/LessonDetail.aspx?ID=L620 This links to the electronic version of this task. It could be used as an independent center activity or remediation.
- https://learnzillion.com/lessons/782-find-all-factor-pairs-using-a-rainbow-factor-line \
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L620 This game involving finding factors could be used for additional practice of the concept
- http://www.sheppardsoftware.com/mathgames/numbers/fruit_shoot_prime.htm This resource has games dealing with prime and composite. It can be used to for additional practice.
- http://www.prometheanplanet.com/en-us/Resources/Item/74922/prime-and-composite-with-the-area-model This lesson introduces prime and composite using area model and relates it to tiling a floor. It can be used as an introduction to the concept or for remediation purposes.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L620 This links to the electronic version of this task. It could be used as an independent center activity or remediation.
- http://studyjams.scholastic.com/studyjams/jams/math/multiplication-division/prime-composite-numbers.htm Study Jams: prime and Composite Numbers is an interactive presentation that gives information about the topic and presents students with “Try This” problems to check student understanding.
- https://learnzillion.com/lessons/3905-find-area-by-counting-square-units Learnzillion Video “ Find Area by Counting Square Units” – This video from Learnzillion features rectilinear figures and models how to find the area using square units.
- https://www.illustrativemathematics.org/content-standards/3/MD/C/7/tasks/1836 Illustrative Mathematics: Three Hidden Rectangles – Students can complete the task given the directions on the website to practice dividing rectilinear figures into smaller rectangles to find the total area.
- http://www.sheppardsoftware.com/mathgames/numbers/fruit_shoot_prime.htm This resource has games dealing with prime and composite. It can be used to for additional practice.
- http://www.prometheanplanet.com/en-us/Resources/Item/74922/prime-and-composite-with-the-area-model This lesson introduces prime and composite using area model and relates it to tiling a floor. It can be used as an introduction to the concept or for remediation purposes.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L620 This links to the electronic version of this task. It could be used as an independent center activity or remediation.
- https://learnzillion.com/lessons/785-find-all-factor-pairs-of-a-number-using-a-t-chart The Learnzillion video teaches how to find all the factor pairs for a given number using a t-chart.

- http://www.sheppardsoftware.com/mathgames/numbers/fruit_shoot_prime.htm This resource has games dealing with prime and composite. It can be used to for additional practice.
- http://www.prometheanplanet.com/en-us/Resources/Item/74922/prime-and-composite-with-the-area-model This lesson introduces prime and composite using area model and relates it to tiling a floor. It can be used as an introduction to the concept or for remediation purposes.
- http://illuminations.nctm.org/ActivityDetail.aspx?id=29 This game helps students exercise their skills with factors and multiples. It can be used for additional practice.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L273 This lesson provides instructions for students to create their own product game. It can be used for remediation or extending student understanding of the concept.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L528 This lesson has students explore products when one of the factors is 6. They also create a personal multiplication chart. It can be used for remediation or as an extension.
- http://www.ixl.com/math/grade-4/multiply-a-2-digit-number-by-a-2-digit-number-word-problems This resource provides word problems involving the multiplication of two 2 - digit numbers. It can be used as additional practice of the concept.
- http://www.teachersdomain.org/resource/vtl07.math.algebra.pat.arrange1/ This resource is a video demonstrating the concept of multiplication.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=U109 This resource is an eight lesson unit which takes students through the developmental understanding of multiplication. Portions of this unit can be used for remediation or additional practice.
- http://www.mathlearningcenter.org/web-apps/number-pieces/ This resource allows students to manipulate base ten blocks virtually.
- http://www.bbc.co.uk/schools/ks1bitesize/numeracy/division/index.shtml This resource provides differentiated activities for 3 levels. It can be used for remediation or additional practice.
- http://illuminations.nctm.org/ActivityDetail.aspx?ID=224 This is a game which can be used to practice the concept of division.
- http://www.thinkingblocks.com/ThinkingBlocks_MD/TB_MD_Main.html Watch a short video that explains how to use thinking blocks to interpret remainders when solving division word problems. Then practice modeling and solving problems. The video can be used to show other strategies for dividing or as an introduction to the task.
- http://illuminations.nctm.org/Lesson.aspx?id=2621 In this lesson, students generate products using a number line model. It can be used as remediation, additional practice or in an independent center.
- http://www.mathcats.com/grownupcats/ideabankmultiplication.html This resource provides additional ideas for approaching multiplication instruction. This could be used in small group review or additional practice.
- http://www.homeschoolmath.net/operation-game.php This resources uses a variety of operations to solve problems. This can be used as practice.
- http://www.toonuniversity.com/flash.asp?err=517&engine=13 This is an activity students can complete to practice solving multiplication problems with multiples of ten. It can be used as an introduction to this task or for additional practice.
- http://calculationnation.nctm.org/Games/Game.aspx?GameId=A0537FC6-3B08-4AFC-9AD6-0CC5E3BC9B86 Factor Dazzle is a strategic game to help students learn about finding factors and multiples. It can be used to extend understanding or for remediation purposes.
- http://www.teachersdomain.org/resource/vtl07.math.algebra.pat.lparrange/ This resource requires students to use manipulatives to figure out patterns in problems. It can be used to extend understanding of the concept.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L305 This lesson requires students to analyze numeric patterns. It can be used for additional practice, remediation or extending understanding of the concept.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L327 This interactive lesson has students find patterns in the multiplication tables. IT can be used for additional practice, remediation or extending understanding.
- http://www.prometheanplanet.com/en-us/Resources/Item/74887/function-machines This activity can be used to assess basic knowledge of function machines following a lesson.

Unit 3

- http://illuminations.nctm.org/LessonDetail.aspx?ID=L540 Making and Investigating Fraction Strips: This lesson has students make and use a set of fraction strips. It can be used for remediation purposes.
- http://www.eastsideliteracy.org/tutorsupport/documents/HO_Fractions.pdf Student Handout - Fraction Kit: This document provides a template for a fraction kit. It can be used with this task or for remediation purposes.
- http://illuminations.nctm.org/ActivityDetail.aspx?ID=80

- http://www.prometheanplanet.com/en-us/Resources/Item/75410/using-fraction-bars This lesson can be used with an ActivSlate or Smartboard. It can be used as a mini-lesson to introduce the task or for remediation purposes.
- https://learnzillion.com/lesson_plans/323 Learnzillion Lesson Plan: Generate Equivalent Fractions by Using Fraction Strips – This lesson plans provides a real world problem that could help students apply knowledge of equivalent fractions.
- http://www.mathlearningcenter.org/web-apps/pattern-shapes/ *This tool provides the opportunity for students to virtually manipulate pattern blocks.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L541 More Fun with Fraction Strips: This lesson has students work with fraction strips to compare and order fractions using relationships. It can be used for additional practice, remediation or extending understanding of the concept.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L347 Exploring the Value of the Whole: This lesson has students consider the size or value of the same fraction when different wholes are compared. It can be used for remediation purposes, additional practice, and/or extending understanding of the concept.
- https://www.conceptuamath.com/app/tool/comparing-fractions *This online tool provides the opportunity for students to virtually compare fractions.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L543 Investigating Equivalent Fractions with Relationship Rods: Students investigate the length model to find equivalent fractions in this lesson. It can be used for additional practice, remediation or extending understanding of the concept.
- http://www.prometheanplanet.com/en-us/Resources/Item/75410/using-fraction-bars This lesson can be used with an ActivSlate or Smartboard. It can be used as a mini-lesson to introduce the task or for remediation purposes.
- https://learnzillion.com/lesson_plans/567-examine-patterns-that-occur-when-you-multiply-or-divide-both-the-numerator-and-denominator-by-the-same-number Learnzillion – Examine Patterns that occur when you multiply or divided both the numerator and the denominator by the same number: This Learnzillion lesson plan has discusses the patterns and models shown in this lesson. This lesson could be used for remediation if students need another go at the concept.
- https://www.conceptuamath.com/app/tool/equivalent-fractions *This online tool provides students with the opportunity to virtually manipulate fraction circles, fraction bars, and number lines to explore equivalent fractions.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L338 This lesson involving finding equivalent fractions using eggs can be used for additional practice, remediation or extending understanding of the concept.
- There are several websites that offer virtual pattern blocks such as http://illuminations.nctm.org/ActivityDetail.aspx?ID=27

Unit 4

- http://www.ixl.com/math/grade-4/add-and-subtract-fractions-with-like-denominators This game can be used to practice the concept.
- http://illuminations.nctm.org/activity.aspx?id=4148 This interactive lesson, titled “Fraction Game” involves decomposing, adding and subtracting fractions.
- https://www.conceptuamath.com/app/tool/addition-with-common-denominators *This tool provides students with the opportunity to model the addition of like fractions.
- http://www.sheppardsoftware.com/mathgames/fractions/FruitShootFractionsAddition.htm Sheppard Software: Fruit Splat - This game can be used to practice adding like denominators using levels 1a, 2a, 1b and 2b.
- http://www.sheppardsoftware.com/mathgames/fractions/mathman_add_subtract_fractions.htm Mathman: Add and Subtract Fractions - This interactive arcade game involves addition and subtraction of fractions with like denominators.
- https://www.conceptuamath.com/app/tool/subtraction-with-common-denominators *This tool provides students with the opportunity to model the addition and subtraction of like fractions.
- http://www.uen.org/Lessonplan/preview.cgi?LPid=21526 Delightfully Different Fractions: This lesson uses virtual pattern blocks to practice the concept. It can be used as an introduction to this task or as an extension of the task.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L541 More Fun with Fraction Strips: This lesson has students work with fraction strips to compare and order fractions using relationships. It can be used for additional practice, remediation or extending understanding of the concept.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L347 Exploring the Value of the Whole: This lesson has students consider the size or value of the same fraction when different wholes compared. It can be used for remediation purposes, additional practice, and/or extending understanding of the concept.
- https://learnzillion.com/lesson_plans/1794 Three Jars - Decompose Mixed Numbers: This lesson
__plan from Learnzillion is a tutorial that includes videos of how to decompose a mixed number.__ - http://www.uen.org/Lessonplan/preview.cgi?LPid=21526 This lesson uses virtual pattern blocks to practice the concept. It can be used as an introduction to this task or as an extension of the task.
- http://www.visualfractions.com/Identify_sets.html This site would be best utilized with a lot of guidance from the teacher. It can be used to reinforce the concept within a small group or extend understanding of the concept.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L339 In this lesson, students identify fractions in real-world contexts from a set of items that are not identical. It can be used as an extension of the concept.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L341 Class Attributes: This lesson reinforces fractional parts. It can be used to extend understanding of the concept.

- http://pbskids.org/cyberchase/math-games/tanagram-game/
__Tangram Game: Students can view a picture made out of tangram pieces and try to replicate it using the interactive tangram pieces provided.__ - https://www.illustrativemathematics.org/content-standards/4/NF/B/4/tasks/857 Sugar in Six Cans of Soda: This task from Illustrative Mathematics is also a problem based situation which students can apply multiplying a fraction by a whole number to find a solution.
- http://3-5cctask.ncdpi.wikispaces.net/4.NF.3-4.NF.4 Public Schools of North Carolina has tasks that are also problem solving opportunities that students would benefit from completing.

Unit 5

- http://www.prometheanplanet.com/en-us/Resources/Item/92384/decimal-numbers-introduction This introductory lesson can be used with an ActivSlate or Smartboard. It can be used to introduce the task.
- http://www.ixl.com/math/grade-3/put-decimal-numbers-in-order This game involving putting two digit decimals in order can be used for independent practice.
- https://www.conceptuamath.com/app/tool/place-value-number-line *This is a flexible number line for placing numbers, estimating relative to benchmarks, and rounding. This tool works with numbers from 0.001 to 1,000,000. It allows you to write a prompt and work with up to four numbers at a time across many number ranges and various visual presentations.

- http://www.decimalsquares.com/dsGames/games/concentration.html This activity matches decimals in tenths to decimals in hundredths. It can be used for additional practice, as a mini-lesson for this task or for remediation purposes.

- http://www.ixl.com/math/grade-4/what-decimal-number-is-illustrated This online game is a quiz activity for illustrating decimals as part of the base-ten system. It can be used as a mini-lesson for this task, additional practice or for remediation purposes.
- http://www.harcourtschool.com/activity/con_math/g04c22a.html This activity has students match fractions with denominators of 10 or 100 with their matching decimals. It can be used for additional practices or for remediation purposes.
- http://www.ixl.com/math/grade-3/put-decimal-numbers-in-order This online game is a quiz activity for putting two digit decimals in order. It can be used for additional practice or for remediation purposes.
- http://www.prometheanplanet.com/en-us/Resources/Item/68401/the-great-decimal-race The Great Decimal Race: This resource can be used with an ActivSlate or Smartboard. It can be used for a mini-lesson, additional practice or for remediation purposes.
- https://www.k6.thinkcentral.com/content/hsp/math/hspmath/ca/common/mega_math_9780153663963_/megamathcd6/cm/launch.html?strActivityName=g36_3_2_N&strAssignID=1 Number Line Mine: This resource allows students to locate decimals that represent a given fraction. It can be used for additional practice or for remediation purposes.
- http://nces.ed.gov/nceskids/createagraph/ NCES Kids’ Zone This website allows students to create various types of graphs to represent data that has been gathered.

Unit 6

- http://www.prometheanplanet.com/en-us/Resources/Item/105178/lines-and-angles Lines and Angles: This activity can be used with an ActivSlate and Smartboard to discuss lines and angles. It can be used as a mini-lesson for this task or additional practice.
- http://www.ixl.com/math/grade-4/parallel-perpendicular-intersecting This online activity discusses parallel, perpendicular and intersecting lines. It can be used for additional practice or remediation purposes.
- http://www.prometheanplanet.com/en-us/Resources/Item/53894/points-line-segments-rays-and-lines
- http://www.mathlearningcenter.org/web-apps/geoboard/ *This online tool allows students to virtually build triangles on a geoboard.
- http://www.crickweb.co.uk/ks2numeracy-shape-and-weight.html#triangles Triangle Sort: This online activity sorts triangles by properties. It can be used for additional practice or for remediation purposes.
- http://www.basic-mathematics.com/types-of-triangles.html Types of Triangles: This online tutorial gives basic definitions of types of triangles. It can be used for remediation purposes.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L350 Rectangles and Parallelograms: This lesson examines the properties of rectangles and parallelograms and then identifies what distinguishes a rectangle from a more general parallelogram. It can be used for additional practice or for remediation purposes.
- http://teams.lacoe.edu/documentation/classrooms/amy/geometry/6-8/activities/quad_quest/quad_quest.html Quadrilateral Quest: This activity involves identifying quadrilaterals based on properties. It can be used for additional practice or remediation purposes.
- http://www.bbc.co.uk/bitesize/ks2/maths/shape_space/shapes/play/popup.shtml This activity looks at grouping shapes. It can be used for additional practice or remediation purposes.
- http://www.prometheanplanet.com/en-us/Resources/Item/35495/mirrors-symmetry Mirrors Symmetry: This activity can be used with an ActivSlate or Smartboard to explore mirror symmetry. It can be used as a mini-lesson, additional practice or remediation purposes.
- http://www.crickweb.co.uk/ks2numeracy-shape-and-weight.html#quad Symmetry Sort: This online activity sort shapes according to their properties of reflective symmetry.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L556 Finding Lines of Symmetry: This lesson has students identify and create lines of symmetry. It can be used for additional practice or remediation purposes.

Unit 7

- http://www.ixl.com/math/grade-3/compare-and-convert-customary-units-of-length This activity involves converting measurements in the customary system. It can be used for additional practice.
- http://mathcentral.uregina.ca/RR/database/RR.09.99/sawatzky1/teachnotes-meas.html#estimate This lesson involves estimating lengths. It can be used for additional practice or remediation purposes.
- http://www.funbrain.com/measure/ This online activity involving the measurement in inches can be used for additional practice.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L520 The Soup Spot: This lesson involves students conducting a survey based on food and creating line plots. It can be used for additional practice or remediation purposes.
- http://illuminations.nctm.org/LessonDetail.aspx?ID=L355 This lesson involves generating graphs. Please note, finding mean, mode, median and range are not a 4th grade standard. The lesson can be used for additional practice

- http://illuminations.nctm.org/Lesson.aspx?id=2176 Finding Perimeter and Area: This lesson prompts students to determine the area and perimeter of several shapes that represent the clubhouse floor plans.
- http://illuminations.nctm.org/ActivityDetail.aspx?id=46 This interactive activity allows students to see how to find the area of a rectangle by manipulating the length of two sides of a rectangle. It can be used for additional practice or remediation purposes.
- http://mathcentral.uregina.ca/RR/database/RR.09.99/sawatzky1/teachnotes-meas.html#perimeter Activity 3 - Perimeter and Area: This lesson involves comparing area and perimeter. It can be used for additional practice or remediation purposes.
- http://www.bbc.co.uk/bitesize/ks1/maths/length_and_weight/play/ Harbour Measurements: This online activity allows students to learn about length and weight. It can be used for additional practice.
- http://www.bgfl.org/bgfl/custom/resources_ftp/client_ftp/ks2/maths/weigh/index.htm Weigh It Up: This activity is a problem solving activity which uses a set of scales and a variety of shapes. It can be used for additional practice or remediation purposes.
- http://www.youtube.com/watch?v=vbglZ9qw0hU This Ten Marks tutorial video about comparing weight measurements can be used for remediation purposes.
- http://www.youtube.com/watch?v=vbglZ9qw0hU Compare and Convert Weights in Customary Units: This tutorial video about converting measures of weight can be used for remediation purposes.
- http://www.mathsisfun.com/measure/index.html Measurement Index: This is a tutorial resource which discusses converting customary units of weight. It can be used for remediation purposes.
- http://www.linkslearning.k12.wa.us/Kids/1_Math/2_Illustrated_Lessons/6_Weight_and_Capacity/index.html Weight and Capacity: This tutorial video introduces students to different kinds of measurements. It can be used for remediation purposes.
- http://www.iboard.co.uk/activity/Measure-Capacity-114 Measure Capacity: This resource is an introductory activity for estimating and checking the capacity of different containers. It can be used as a mini-lesson for this task, additional practice or remediation purposes.
- http://www.iboard.co.uk/activity/Measuring-Jugs-Make-1-Litre-115 Measuring Jugs – Make One Liter: This online resource involves metric units of capacity. It can be used for additional practice or remediation purposes.
- http://www.beaconlearningcenter.com/WebLessons/Anglemania/tri2003.htm
- http://www.crickweb.co.uk/ks2numeracy-tools.html#angle Angles: This resource can be used to demonstrate the use of a protractor and test angle estimation skills. It can be used to extend this task.
- http://www.crickweb.co.uk/ks2numeracy-tools.html#angle Angles: This resource allows to guess angle measures or type of angles based on measurements. It can be used for additional practice.
- http://www.prometheanplanet.com/en-us/Resources/Item/29513/measure-and-draw-angles Measure and Draw Angles: This activity can be used with an ActivSlate or Smartboard. It can be used for additional practice or extending this task.
- https://learnzillion.com/lessons/2973-measure-angles-to-the-nearest-degree-with-protractors This Learnzillion tutorial teaches students how to measure to the nearest degree using a protractor.