Practice Problems — Set 10

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 241: ___ 2. 41 = ___ tens + ___ ones 3. Expanded form: 51 = ___ + ___

_See printable PDF for diagram._

Written practice

1. Write the value of the underlined digit in 230: ___ 2. 40 = ___ tens + ___ ones 3. Expanded form: 50 = ___ + ___ 4. Which is greater: 35 or 42? ___ 5. Write the numeral: 8 tens and 7 ones → ___ 6. Round 57 to the nearest ten: ___ 7. Write the value of the underlined digit in 263: ___ 8. 43 = ___ tens + ___ ones

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More written practice

1. Expanded form: 53 = ___ + ___ 2. Which is greater: 38 or 45? ___ 3. Write the numeral: 8 tens and 4 ones → ___ 4. Round 60 to the nearest ten: ___ 5. Write the value of the underlined digit in 296: ___ 6. 46 = ___ tens + ___ ones

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Patterns and rules

1. Write the value of the underlined digit in 417: ___ 2. 57 = ___ tens + ___ ones 3. Expanded form: 67 = ___ + ___

_See printable PDF for diagram._

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