Percentages of an Amount

CHALLENGE: Two thousand people entered a marathon. Some walked and the rest jogged. If 20% walked, calculate how many people jogged.

Mathematical Equivalence

OFF

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CCSS.6.RP.A.3C

Find 50% of £60

• £30

• £40

• £20

• £6

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CCSS.6.RP.A.3C

Find 25% of 80 kg

• 40 kg

• 10 kg

• 8 kg

• 20 kg

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CCSS.6.RP.A.3C

Find 25% of 160 km

• 40 km

• 80 km

• 16 km

• 20 km

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CCSS.6.RP.A.3C

Find 2% of 300 g

• 3 g

• 30 g

• 6 g

• 60 g

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CCSS.6.RP.A.3C

Find 10% of £40

• £5

• £4

• £3

• £2

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CCSS.6.RP.A.3C

Find 1% of 200 ml

• 2 ml

• 20 ml

• 200 ml

• 0.2 ml

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CCSS.6.RP.A.3C

Find 5% of £80

• £8

• £40

• £4

• £20

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CCSS.6.RP.A.3C

Work out 75% of 60

• 30

• 60

• 15

• 45

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CCSS.6.RP.A.3C

To find 10% of an amount...

• ...divide the amount by 10

• ...divide the amount by 2

• ...multiply the amount of 10

• ...divide the amount by 100

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CCSS.6.RP.A.3C