HUNTERTUTORING

Review — Difficulty 10/10

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2.NBT.B.9 · Explain why addition and subtraction strategies work, using place val…

Review skills for this standard. Write answers where shown.

Together with a parent

1. Discuss: Explain why addition and subtraction strategies work, using place value and the … 2. What was easy? What was tricky? 3. Use the diagram to model one example.

Written review

1. Write the value of the underlined digit in 285: ___ 2. 45 = ___ tens + ___ ones 3. Expanded form: 55 = ___ + ___ 4. Which is greater: 40 or 47? ___ 5. Write the numeral: 7 tens and 6 ones → ___ 6. Round 62 to the nearest ten: ___

_See printable PDF for diagram._

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Skills checklist

  • [ ] Identifies value of each digit
  • [ ] Writes expanded form
  • [ ] Reads and writes numbers in standard form
  • [ ] Explains Explain why addition and subtraction strategies work, using place val… without prompts

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