Practice Problems — Set 9

1.NBT.B.2 · Understand that the two digits of a two-digit number represent amount…

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

Warm-up

1. Write the value of the underlined digit in 230: ___ 2. 40 = ___ tens + ___ ones 3. Expanded form: 50 = ___ + ___

_See printable PDF for diagram._

Written practice

1. Write the value of the underlined digit in 219: ___ 2. 39 = ___ tens + ___ ones 3. Expanded form: 49 = ___ + ___ 4. Which is greater: 34 or 41? ___ 5. Write the numeral: 6 tens and 6 ones → ___ 6. Round 56 to the nearest ten: ___ 7. Write the value of the underlined digit in 252: ___ 8. 42 = ___ tens + ___ ones

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More written practice

1. Expanded form: 52 = ___ + ___ 2. Which is greater: 37 or 44? ___ 3. Write the numeral: 6 tens and 3 ones → ___ 4. Round 59 to the nearest ten: ___ 5. Write the value of the underlined digit in 285: ___ 6. 45 = ___ tens + ___ ones

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Patterns and rules

1. Write the value of the underlined digit in 406: ___ 2. 56 = ___ tens + ___ ones 3. Expanded form: 66 = ___ + ___

_See printable PDF for diagram._

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