Writing equations II
This task is about writing maths equations to describe practical situations.
| Complete the sentences below by writing an equation in the spaces provided. | |
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| a) |
Ihaka had n mice in a cage. He bought another 7 mice to make a total of 12 mice altogether.
An equation for this is ______________________ (where n is the number of mice Ihaka started with.)
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| b) |
Anushka started with n dollars. One week later she had 4 times this amount. She then had $36.00.
An equation for this is _________________________ (where n is the amount of money Anushka started with.)
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| c) |
Harata had 20 chocolates. She gave an equal number of chocolates to 3 friends and had 2 chocolates left over.
Each friend got n chocolates.
An equation for this is _________________________ (where n is the number of chocolates each friend got.)
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| d) |
Carl had some sheep in 7 pens with n sheep in each pen. When 5 sheep were sold, Carl had 86 sheep left.
An equation for this is _________________________ (where n is the number of sheep in each pen.)
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