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**Fractions, decimals and percentages**

Level 4/5 Booster Lesson 2B Fractions, decimals and percentages

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**multiple recurring decimal Equivalent Objectives:**

Use the equivalence of fractions, decimals and percentages to compare proportions. Calculate percentages and fractions of an amount. Vocabulary: multiple recurring decimal Equivalent

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T2.1B Find equivalent fractions. 10% 30% 75% 0.1 0.75 50% 0.3 25% 0.25 1/10 3/4 3/10 1% 1/4 0.5 1/2 Write down any other sets of equivalent fractions.

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T2.2B Give 50% of each number: 2 36 10 40 70 15 90 28 50 700 20 100 6 48 140 8

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**Give one-half of each of these numbers:**

T2.2B 2 36 10 40 70 15 90 28 50 700 20 100 6 48 140 8

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T2.2B Find 25% of each of the following numbers: 2 36 10 40 70 15 90 28 50 700 20 100 6 48 140 8

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T2.2B Find ¾ of each of the following numbers. 2 36 10 40 70 15 90 28 50 700 20 100 6 48 140 8

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**How many times does 10% fit into 100%?**

There are 10 lots of 10% in 100%. What fraction is 10% the same as? 10% is the same as How can you find 10% of a number? To find 10% we need to divide by 10. Explain how to find 10% of 450. 450 divided by 10 is 45 – move each digit one column to the right.

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T2.3B Find 10% of each of the following amounts: 20 120 150 100 270 200 550 600 220 900 50 40 300 70 1200 7000

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**If I can find 10% what other percentages can I find?**

To find 20% we can do 2 x 10% To find 30% we can do………… To find 40% we can do ……………. How would you find 50%? Which is the easiest way to find 50%?

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W/S 2.1B Find 10% and then use it to find other percentage amounts. 50% is 10% is 460 20% is 30% is On a copy of this spider diagram fill in the answers to those percentages stated and find some other percentages of your own choice.

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**Percentage Spider Diagram**

W/S2.1B On a copy of this diagram start with a number of your own choice and complete a percentage spider diagram.

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**multiple recurring decimal Equivalent Objectives:**

Use the equivalence of fractions, decimals and percentages to compare proportions. Calculate percentages and fractions of an amount. Vocabulary: multiple recurring decimal Equivalent

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**Thank you for your attention**

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