Math Fighter 2: Whole Number Operations

Avengers Assemble! Defeat your foes by fluently adding, subtracting, multiplying and dividing whole numbers.

K.OA.A.5 Fluently add and subtract within 5.

1.OA.C.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10.

2.OA.B.2 Fluently add and subtract within 20 using mental strategies.

2.NBT.B.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

3.OA.C.7 Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations.

4.NBT.B.4 Fluently add and subtract multi-digit whole numbers using the standard algorithm.

5.NBT.B.5 Fluently multiply multi-digit whole numbers using the standard algorithm.