2.NBT.B.5 Grade 2 · Number & Operations in Base Ten
Add & Subtract Within 100
What your child learns
Adding and subtracting within 100 fluently, using place value, properties of operations and the link between addition and subtraction.
Try it at home
Solve 63 − 28 by counting up from 28: 2 more makes 30 and 33 more makes 63, so the answer is 35.
Words to use
- fluently
- regroup
- count up
