How do you work out how much each part is worth out of a number?

1. add the parts to find out what each part is out of 2.Put each part in a fraction over the total 3.find the fraction of the number 4. so that would be (fraction)xnumber

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If 1.5kg of salt costs £3, then how much will 5kg cost?

£10

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How is area ratio proportionate to length ratio?

The area ratio is length ratio squared

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How is volume ratio proportionate to length ratio?

The volume ratio is the length ratio cubed

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If the kids weight is 30kg when it was at it's normal size of 1m, what will be its mass when it is blown up to 20m?

use a ratio in the form of 1:n, 240000kg or 240 tons (1000kg in a ton)

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Other cards in this set

Card 2

Front

Simplify 2:4:6

Back

1:2:3

Card 3

Front

How do you work out how much each part is worth out of a number?

Back

Card 4

Front

If 1.5kg of salt costs £3, then how much will 5kg cost?

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