Number (mult/div)
Hong Kong
Stage 2
Multiply 2 two digit numbers using an area model
Interactive practice questions
Let's use the area model to find $32\times40$32×40.
a
Fill in the areas of each rectangle.
| $32$32 | |||||||||||
| $20$20 | $\editable{}$ | ||||||||||
| $20$20 | $\editable{}$ | ||||||||||
b
What is the total area of both rectangles?
c
So what is $32\times40$32×40?
Easy
1min
Calculate $10\times18$10×18 by completing an area model.
Easy
< 1min
Calculate $26\times39$26×39 by completing an area model.
Easy
1min
Use the area model to find $33\times22$33×22.
Easy
2min
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