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

Understand place value






Number Fans


Say the forwards and backwards number word sequences in the range 0–100 and know which number is 1 more/1 less and 10 more/10 less

MM 4-10


Number Mat and Lily Pads


Identify all of the numbers in the range 0–100

MM 4-3


MM 4-13


Number Hangman

Identify all numbers in the range 0-100, 0-1000


More Ones and Tens


Count up to 50 objects by grouping the objects in tens.

 MM 4-14


Bead Strings


Order numbers in the range 0-100


Number Line Flips


Ordering numbers in the range 0-100, 0-1000

MM 4-2


Imaging Many Hands


Solve addition and subtraction problems within 20 by counting all the objects in their head.