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Objectives: Use the equivalence of fractions, decimals and percentages to compare proportions. Calculate percentages and fractions of an amount. Vocabulary:

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Presentation on theme: "Objectives: Use the equivalence of fractions, decimals and percentages to compare proportions. Calculate percentages and fractions of an amount. Vocabulary:"— Presentation transcript:

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3 Objectives: Use the equivalence of fractions, decimals and percentages to compare proportions. Calculate percentages and fractions of an amount. Vocabulary:

4 10%30%75% %0.325% / 10 3/43/4 3 / 10 1% 1/41/ /21/2 T2.1B Write down any other sets of equivalent fractions. Find equivalent fractions.

5 T2.2B Give 50% of each number:

6 Give one-half of each of these numbers:T2.2B

7 Find 25% of each of the following numbers: T2.2B

8 Find ¾ of each of the following numbers. T2.2B

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

10 T2.3B Find 10% of each of the following amounts:

11 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%?

12 460 10% is 20% is 50% is 30% is Find 10% and then use it to find other percentage amounts. On a copy of this spider diagram fill in the answers to those percentages stated and find some other percentages of your own choice. W/S 2.1B

13 Percentage Spider Diagram On a copy of this diagram start with a number of your own choice and complete a percentage spider diagram.

14 Objectives: Use the equivalence of fractions, decimals and percentages to compare proportions. Calculate percentages and fractions of an amount. Vocabulary:

15 Thank you for your attention


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