Number (mult/div)
Hong Kong
Stage 2
Extend multiplicative strategies to larger numbers
Interactive practice questions
Consider the multiplication $16\times5$16×5
a
Fill in the blanks by breaking $16$16 up into factors.
$16\times5=2\times\editable{}\times5$16×5=2××5
b
Solve $16\times5$16×5 by using the factor strategy from part (a).
| $16\times5$16×5 | $=$= | $2\times8\times5$2×8×5 |
| $=$= | $2\times\editable{}$2× | |
| $=$= | $\editable{}$ |
Easy
1min
Consider the multiplication $20\times25$20×25
Easy
1min
$18\times7$18×7
Easy
1min
$4\times13$4×13
Easy
1min
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