3 Act Math Tasks

Organized by the Common Core States Standard (CCSS) Initiative


Grade 1

1.NBT.4

Overall Expectation Description:

Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.


Related 3 Act Math Tasks:

Gummy Worms

How many gummy worms are left in the jar?



Shared By:
Kyle Pearce

Math Topic:
Subtraction

Common Core State Standard Alignment:


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