The Intervention Table below provides links to interventions specific to this unit. The interventions support students and teachers in filling foundational gaps revealed as students work through the unit. All listed interventions are from New Zealand’s Numeracy Project.
Cluster of Standards 
Name of Intervention 
Snapshot of summary or Student I can statement. . . 
Materials Master 
Numbers and Operations in Base Ten Use place value understanding and properties of operations to perform multidigit arithmetic
MGSE3.NBT.1 MGSE3.NBT.2

Round to the nearest ten or hundred 



Round to the nearest ten or hundred 


Round to the nearest hundred 


Develop knowledge of place value – tens and ones in a number 


Practice counting backwards and forwards from 1001000, identify ten more/less and 100 more/less 


Recall groupings within 100 


Solve addition and subtraction problems using tidy numbers 

Solve subtraction problems by using addition 

Determine how many tens and ones are hidden 


Addition and subtraction to 100 

Measurement and Data Represent and interpret data
MGSE3.MD.3 MGSE3.MD.4 
Compare the length of objects beginning at the same starting point 
