BetterGrades Algebra · Unit A0 · Practice

Arithmetic Readiness and Repair: mixed practice

Arithmetic Readiness and Repair: mixed practice for Arithmetic Readiness and Repair, with an explicit attempt-first assessment blueprint.

Assessment

20 concrete questions

Suggested time: flexible minutes.

Grading boundary: deterministic where supported; symbolic equivalence server-side

Cumulative share: 30% prior units

Each question is fully authored and linked to a lesson skill. Detailed scoring criteria and worked solutions stay protected until a substantive attempt is submitted.

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Open-response checkA0.2

Use multiplication to check $7,344 \div 24 = 306$ .

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Open-response checkA0.2

A student computes $503 - 278 = 335$ . Find and repair the error.

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Open-response checkA0.2

Estimate, calculate, and check $249\cdot 16$ .

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Open-response checkA0.2

Estimate and then calculate $3,986 + 7,041 - 2,975$ .

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Open-response checkA0.2

A calculator displays $608\cdot 72 = 4,377.6$ . Explain why the display is impossible and give the correct product.

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Open-response checkA0.2

Compute $99\cdot 347$ mentally using structure, and name the property used.

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Open-response checkA0.2

A school orders $48$ boxes with $24$ notebooks each. Give an estimate, exact total, and inverse-operation check.

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Open-response checkA0.3

List all positive factors of $18$ .

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Open-response checkA0.3

Classify $29$ as prime or composite.

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Open-response checkA0.3

Write $72$ as a product of prime powers.

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Open-response checkA0.3

Write $150$ as a product of prime powers.

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Open-response checkA0.3

Find $GCF(24, 36)$

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Open-response checkA0.3

Find $GCF(45, 60, 75)$

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Open-response checkA0.3

Find $LCM(8, 12)$

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Open-response checkA0.3

Find $LCM(15, 18)$

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Open-response checkA0.3

A teacher has $24$ red and $36$ blue markers. Find the greatest number of identical packs with no markers left.

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Open-response checkA0.3

Buses arrive every $20$ and $30$ minutes. If they arrive together now, when is the next shared arrival?

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Open-response checkA0.3

Is $1$ prime? Explain.

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Open-response checkA0.3

A student says $GCF(18,24) = 72$ because $72$ is a common multiple. Repair the answer.

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Open-response checkA0.3

Find the missing exponent $540 = 2^{2}\cdot 3^{3}\cdot 5^k$

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