Decimals
Hong Kong
Stage 2
Multiply numbers with decimals by whole numbers using the algorithm
Interactive practice questions
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
b
Use the vertical algorithm to find $3\times0.4$3×0.4.
| $0$0 | $.$. | $4$4 | |
| $\times$× | $3$3 | ||
| $\editable{}$ | $.$. | $\editable{}$ |
Easy
< 1min
We want to find $1.5\times9$1.5×9.
Easy
1min
We want to find $5\times8.9$5×8.9.
Easy
< 1min
We want to find $9\times19.2$9×19.2.
Easy
1min
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