Decimals

NZ Level 5

Multiply numbers with decimals by whole numbers using the algorithm

We want to find $3\times0.4$3×0.4.

a

Will $3\times0.4$3×0.4 be greater than or less than one whole?

Greater than

A

Less than

B

Greater than

A

Less than

B

b

Use the vertical algorithm to find $3\times0.4$3×0.4.

$0$0 | $.$. | $4$4 | |

$\times$× | $3$3 | ||

$\editable{}$ | $.$. | $\editable{}$ |

Easy

Less than a minute

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Understand operations on fractions, decimals, percentages, and integers