VC2M5N06 Official strand: Number

Multiply larger quantities

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Choose efficient strategies and check the size of a product.

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Calculate 144 × 4.

A572 B576 C148 D580

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Answer: 576

Split 144 into 140 + 4.
140 × 4 + 4 × 4 = 576.

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Curriculum reference

Victorian Curriculum F–10 Version 2.0

Pi Leo practice scope

Choose efficient strategies and check the size of a product.

Read the official VCAA curriculum description (VC2M5N06)

These quizzes practise concepts within this topic. Multiple-choice answers alone do not demonstrate drawing, conducting an investigation or using a digital tool.

Activities to practise beyond the quiz

Supported by the guided activity; selecting an MCQ does not demonstrate this action.

VC2M5N06-C01Break a factor into convenient place-value parts. Multiply every part by the other factor, then add the partial products.
VC2M5N06-C02A two-digit factor can be split into tens and ones. The distributive law keeps every partial product in the calculation.
VC2M5N06-C03Round a factor to a nearby convenient number before multiplying. Use this estimate to spot a misplaced digit or an answer with the wrong size.
VC2M5N06-C04Choosing, demonstrating and comparing mental, written and digital strategies.

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Subskills

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Descriptor-derived subskills

D01
Partition a large factorBreak a factor into convenient place-value parts. Multiply every part by the other factor, then add the partial products.
D02
Build two-digit productsA two-digit factor can be split into tens and ones. The distributive law keeps every partial product in the calculation.
D03
Plan and check a multiplicationRound a factor to a nearby convenient number before multiplying. Use this estimate to spot a misplaced digit or an answer with the wrong size.