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## Transcript

Decide whether each of the units are Imperial or Metric

9) inch10) mole11) link12) lux13) candela14) slug15) kilogram16) gallon

1) mile2) ampere3) kelvin4) acre5) ounce6) fluid ounce7) watt8) metre

Lesson 9 - Further percentages

1. Select the multiple of 14 [ 28, 2, 7, 1 ]2. Convert 1.5kg to grams3. √1214. Convert 26/7 into a mixed fraction5. −36 ÷ 96. Find the area of this parallelogram7. A pattern goes 4, 9, 14, 19, 24, ... What is the nth term?8. 2/5 - 1/10

Challenge

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Quizizz

#### The price of a jacket was reduced in a sale by 20% to £368. How much did the jacket cost before the sale?

Reverse percentages

#### Penny is given a 13% pay rise.She now earns £16,950 per year.How much did she earn before the pay rise?

Reverse percentages

Reverse percentages

percentage change

percentage change

##### 1). In a storm 144 fruit trees were left standing out of 180 fruit trees in an orchard. What is the percentage decrease in the number of trees? 2). A javelin thrower has best throw of 60m. In the next competition he throws 72m. What is the percentage increase of his personal best? 3). A wine manufacturer puts down 250 bottles for 3 years. After 3 years only 220 bottles are in tact. What is the percentage decrease in the number of bottles? 4). A man weighs 65Kg. After two weeks on a diet he weighs 58Kg. What is his percentage decrease in weight? 5). A board 130 cm long is trimmed to 104 cm. What percentage has been removed?

percentage change

Repeated percentage change

Repeated percentage change

Repeated percentage change

Repeated Percentage Increase and Decrease (Calculator) [MF11.05]

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Percentage Change [MF11.04]

Reverse Percentage [MF11.11]

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Laws of indices

Ordinary to Standard Form [MF14.04]

Standard Form to Ordinary [MF14.03]

Dividing with Standard Form [MF14.09]

Multiplying with Standard Form [MF14.08]

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Lesson 2 - Standard Form