Practice Problems — Set 10

3.OA.A.3 · Use multiplication and division within 100 to solve word problems in…

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

Warm-up

1. Two-step: 8 red and 8 blue marbles, then lose 3. How many now? ___ 2. Compare: Team A 31 points, Team B 26. Difference? ___ 3. Draw a bar model for: 8 + 8 + 4

_See printable PDF for diagram._

Written practice

1. Two-step: 7 red and 7 blue marbles, then lose 2. How many now? ___ 2. Compare: Team A 30 points, Team B 25. Difference? ___ 3. Draw a bar model for: 7 + 7 + 3 4. Write an equation for your story: ___ + ___ = ___ 5. Does your answer make sense? Explain in one sentence. 6. Create a two-step word problem for 3.OA.A.3. 7. Two-step: 6 red and 7 blue marbles, then lose 2. How many now? ___ 8. Compare: Team A 33 points, Team B 28. Difference? ___

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More written practice

1. Draw a bar model for: 6 + 7 + 4 2. Two-step: 5 red and 7 blue marbles, then lose 2. How many now? ___ 3. Compare: Team A 36 points, Team B 31. Difference? ___ 4. Draw a bar model for: 5 + 7 + 3 5. Two-step: 8 red and 7 blue marbles, then lose 2. How many now? ___ 6. Compare: Team A 39 points, Team B 34. Difference? ___

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Patterns and rules

1. Two-step: 8 red and 6 blue marbles, then lose 1. How many now? ___ 2. Compare: Team A 47 points, Team B 42. Difference? ___ 3. Draw a bar model for: 8 + 6 + 4

_See printable PDF for diagram._

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Parent tip: Underline the question and key numbers