3. Multiplication and division

Calculate $10\times18$10×18 by completing an area model.

a

Firstly, complete the missing values in the area model.

x | $10$10 |
---|---|

$10$10 | $\editable{}$ |

$8$8 | $\editable{}$ |

b

Now add the values you found in part a to calculate $10\times18$10×18.

Easy

< 1min

Let's use the area model to find $28\times15$28×15.

Easy

2min

Use the area model to find $33\times22$33×22.

Easy

2min

Use the area model to find $99\times76$99×76.

Easy

3min

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