Practice Problems — Set 11

3.NBT.A.2 · Fluently add and subtract within 1000 using strategies and algorithms…

Print and write your answers. Use diagrams to show thinking.

Warm-up

1. Write the value of the underlined digit in 252: ___ 2. 42 = ___ tens + ___ ones 3. Expanded form: 52 = ___ + ___

_See printable PDF for diagram._

Written practice

1. Write the value of the underlined digit in 241: ___ 2. 41 = ___ tens + ___ ones 3. Expanded form: 51 = ___ + ___ 4. Which is greater: 36 or 43? ___ 5. Write the numeral: 8 tens and 8 ones → ___ 6. Round 58 to the nearest ten: ___ 7. Write the value of the underlined digit in 274: ___ 8. 44 = ___ tens + ___ ones

___________________________ ___________________________ ___________________________ ___________________________

More written practice

1. Expanded form: 54 = ___ + ___ 2. Which is greater: 39 or 46? ___ 3. Write the numeral: 8 tens and 5 ones → ___ 4. Round 61 to the nearest ten: ___ 5. Write the value of the underlined digit in 307: ___ 6. 47 = ___ tens + ___ ones

___________________________ ___________________________ ___________________________ ___________________________ ___________________________

Patterns and rules

1. Write the value of the underlined digit in 428: ___ 2. 58 = ___ tens + ___ ones 3. Expanded form: 68 = ___ + ___

_See printable PDF for diagram._

___________________________ ___________________________ ___________________________ ___________________________

Parent tip: Use base-ten blocks or place-value charts