Practice Test — Difficulty 10/10

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

No time limit. Parent records scores.

Part A — Oral (parent scores)

1. Two-step: 6 red and 7 blue marbles, then lose 2. How many now? ___ Score: ___ / 1 2. Compare: Team A 33 points, Team B 28. Difference? ___ Score: ___ / 1

Part B — Written

1. Two-step: 7 red and 6 blue marbles, then lose 1. How many now? ___ 2. Compare: Team A 38 points, Team B 33. Difference? ___ 3. Draw a bar model for: 7 + 6 + 3 4. Story: 7 birds land on a branch. 6 more join. How many now? ___ 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: 7 red and 7 blue marbles, then lose 2. How many now? ___ Score: ___ / 1 2. Compare: Team A 42 points, Team B 37. Difference? ___ Score: ___ / 1 3. Draw a bar model for: 7 + 7 + 3 Score: ___ / 1

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Total score: ___ / 12