4 lessons in this badge

Mental Math

How fast can you add and subtract in your head? Practice these strategies to quickly use your brain powers to add and subtract.

Jumpstart Operations and Algebraic Thinking: Add and Subtract within 20
CCSS 2.OA.2

Resource Subject
1 Addition Strategies Review Math
2 Doubles Facts Math
3 Subtraction With Single-Digit Numbers Math
4 Adding and Subtracting Zero Math