3.NBT.2

Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

3 digit + 1 digit with regrouping

3 Digit + 1 Digit with regrouping

3 digit + 2 digit

3 Digit + 2 Digit

3 digit + 2 digit with regrouping

3 Digit + 2 Digit with regrouping

3 digit + 3 digit

3 Digit + 3 Digit

3 digit + 3 digit with regrouping

3 Digit + 3 Digit with regrouping

3 digit - 1 digit with regrouping

3 Digit - 1 Digit with regrouping

3 digit - 2 digit

3 Digit - 2 Digit

3 digit - 2 digit with regrouping

3 Digit - 2 Digit with regrouping

3 digit - 3 digit

3 Digit - 3 Digit

3 digit - 3 digit with regrouping

3 Digit - 3 Digit with regrouping

Subtract across zeroes

Subtract Across Zeroes