Practice Problems — Set 9
4.OA.A.2 · Multiply or divide to solve word problems involving multiplicative co…
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. Two-step: 8 red and 8 blue marbles, then lose 2. How many now? ___ 2. Compare: Team A 30 points, Team B 25. Difference? ___ 3. Draw a bar model for: 8 + 8 + 3
_See printable PDF for diagram._
Written practice
1. Two-step: 7 red and 7 blue marbles, then lose 1. How many now? ___ 2. Compare: Team A 29 points, Team B 24. Difference? ___ 3. Draw a bar model for: 7 + 7 + 4 4. Word problem: 7 stickers plus 7 more. Total? ___ 5. Does your answer make sense? Explain in one sentence. 6. Create a two-step word problem for 4.OA.A.2. 7. Two-step: 6 red and 7 blue marbles, then lose 1. How many now? ___ 8. Compare: Team A 32 points, Team B 27. Difference? ___
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More written practice
1. Draw a bar model for: 6 + 7 + 3 2. Two-step: 9 red and 7 blue marbles, then lose 1. How many now? ___ 3. Compare: Team A 35 points, Team B 30. Difference? ___ 4. Draw a bar model for: 9 + 7 + 4 5. Two-step: 8 red and 7 blue marbles, then lose 1. How many now? ___ 6. Compare: Team A 38 points, Team B 33. Difference? ___
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Patterns and rules
1. Two-step: 8 red and 9 blue marbles, then lose 3. How many now? ___ 2. Compare: Team A 46 points, Team B 41. Difference? ___ 3. Draw a bar model for: 8 + 9 + 3
_See printable PDF for diagram._
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Parent tip: Underline the question and key numbers