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grade 4 · WN-061

Multiply by place value

Decompose a multi-digit factor and combine partial products.

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Try with a hintFresh problem · seed 1766922956

What is 85 × 4?

80 × 45 × 4

Find each partial product, then add.

Give me one hint

Decompose 85 by place value: 85 = 80 + 5.

Your answer

It is always okay to go back to more help.

Math Lab is a working name for Ready Rung's separate math-learning product. Guided success and independent evidence are reported separately.