Answer Key — 3.OA.A.4
For parents and tutors
Do not share with students before practice tests.
Practice Problems — Sets 1–10
| Set | Guidance | | --- | --- | | Set 1 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 2 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 3 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 4 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 5 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 6 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 7 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 8 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 9 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 10 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. |
Practice Problems — Sets 11–20
| Set | Guidance | | --- | --- | | Set 11 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 12 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 13 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 14 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 15 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 16 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 17 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 18 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 19 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. | | Set 20 | Determine the unknown whole number in a multiplication or division eq… — verify written work and accept reasonable drawings. |
Review tiers 1–10
- Checklists are parent-judged.
- Written items: verify against practice set patterns.
- Standard text: Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 _ ? = 48, 5 = _ Ö 3, 6 _ 6 = ?
Practice test scoring
| Tier | Pass guidance | | --- | --- | | 1–3 | Most oral tasks smooth; majority of written correct | | 4–6 | 7/10+ total with clear understanding | | 7–8 | 9/12+ with explanations | | 9–10 | Near-perfect; ready to move on |
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