Starter Questions 21/02/11 1. Calculate the circumference 15cm

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Presentation transcript:

Starter Questions 21/02/11 1. Calculate the circumference 15cm 2. Calculate the diameter of the circle if the circumference is 15.7m 3. Calculate the area of the circle 40mm

Percentages Learning Intention 21/02/11 Percentages Learning Intention 1. Convert percentages to fractions and decimals. 2. Change fraction to percentages. 3. Find percentage values.

21/02/11 Percentages Put over 100 3 Put over 100 7

What simple % is missing 21/02/11 80% = What simple % is missing Percentages Example : Find 20% of £450

How to find % of a quantity using a calculator 21/02/11 How to find % of a quantity using a calculator example Find Step 1 : Convert % to a decimal of means x Step 2 : Step 3 : Do sum Calculator Keys 5 1 x 3 = 150

Percentages Learning Intention 21/02/11 Percentages Learning Intention 1. Convert percentages to fractions and decimals. 2. Change fraction to percentages. 3. Find percentage values.