Practice Test — Difficulty 8/10

3.OA.D.8 · Low-pressure progress check

No time limit. Parent records scores.

Part A — Oral (parent scores)

1. Two-step: 8 red and 8 blue marbles, then lose 3. How many now? ___ Score: ___ / 1 2. Compare: Team A 31 points, Team B 26. Difference? ___ Score: ___ / 1

Part B — Written

1. Two-step: 5 red and 7 blue marbles, then lose 2. How many now? ___ 2. Compare: Team A 36 points, Team B 31. Difference? ___ 3. Draw a bar model for: 5 + 7 + 3 4. Explain your thinking for this word problem in one sentence. 5. Does your answer make sense? Explain in one sentence.

_See printable PDF for diagram._

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Part C — Apply and explain

1. Two-step: 5 red and 8 blue marbles, then lose 3. How many now? ___ Score: ___ / 1 2. Compare: Team A 40 points, Team B 35. Difference? ___ Score: ___ / 1 3. Draw a bar model for: 5 + 8 + 3 Score: ___ / 1

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Total score: ___ / 12