Number & Operations in Base Ten

Use place value understanding and properties of operations to perform multi-digit arithmetic.

3.NBT.1 Use place value understanding to round whole numbers to the nearest 10 or 100.

Round to the nearest ten

Round to the Nearest Ten

Round to the nearest hundred

Round to the Nearest Hundred

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

3.NBT.3 Multiply one-digit whole numbers by multiples of 10 in the range 10—90 (e.g., 9 × 80, 5 × 60) using strategies based on place value and properties of operations.