find the fraction of a quantity L.O. To be able to find the fraction of a quantity

3 55 of 5 ‘Whole number ÷ denominator x numerator’ Numerator

55 boxes 5 11

Let’s divide the 55 boxes into 5 parts

We must choose 3 out of these 5 parts 33 boxes!

Let’s try one... 3 5 of 5 ÷ 33 = x Denominator Numerator Whole number

Another one... 4 5 6 of 7 ÷ 32 = x Denominator Numerator Whole number

÷ = 6 8 1 of 9 54 x Follow the formula and it’s easy... Denominator Numerator Whole number

Last one... 9 9 6 of 12 ÷ 72 = x Denominator Numerator Whole number

Important Note When you are finding a fraction of a whole quantity you are finding a part of that quantity, so: The UNITS of your answer will be the SAME as the units of the whole quantity Your answer will ALWAYS be SMALLER than the whole quantity, because it is part of it!

3 55kg of 5 ‘Whole number ÷ denominator x numerator’ Always use this formula for finding fractions of whole numbers: ‘Whole number ÷ denominator x numerator’ Numerator 3 5 55kg of Denominator Whole number

÷ = 3 5 of 5 33kg x Let’s try one... Denominator Numerator Whole number

Question1 What is ½ of 36 B 16 A 9 C 12 D 18

Question 2 What is 1/5 of 25? B 10 A 5 C 20 15 D

Question 3 Calculate 4/5 of 50 A 20 B 250 C 40 15 D

Which of the following is 3/5 of 35? Question 4 Which of the following is 3/5 of 35? A 20 B 21 C 7 6 D

Fraction of a Quantity CW Worksheet Let’s work through it together… Write the Fraction Write the Quantity Write the Fraction of the Quantity Show Working Write Answer

Early Finishers Play Mathman  http://www.sheppardsoftware.com/mathgames/fractions/mathman_fractions_number.htm Homework: Pg 90 Exericse 6k No.11 and No.12