Fractions of Shapes
Unit fractions of shapes To find a unit fraction of any shape… 1. Look at the denominator. Split the shape into that many equal parts. 1. Look at the denominator. Split the shape into that many equal parts. 2. Select one of these parts. 2. Select one of these parts. 1 1 1 1 6 6 3 3
Unit fractions of shapes To find a unit fraction of any shape… 1. Look at the denominator. Split the shape into that many equal parts. 1. Look at the denominator. Split the shape into that many equal parts. 2. Select one of these parts. 2. Select one of these parts. 1 1 1 1 9 9 4 4
5 5 2 2 6 6 3 3 Fractions of shapes To find a fraction of any shape… 1. Look at the denominator. Split the shape into that many equal parts. 1. Look at the denominator. Split the shape into that many equal parts. 2. Look at the numerator. Select that many parts. 2. Look at the numerator. Select that many parts. 5 5 2 2 6 6 3 3
Fractions of shapes To find a fraction of any shape… 1. Look at the denominator. Split the shape into that many equal parts. 1. Look at the denominator. Split the shape into that many equal parts. 2. Look at the numerator. Select that many parts. 2. Look at the numerator. Select that many parts. 10 10 5 5 14 14 12 12
Unit fractions of numbers To find a unit fraction of any number… 1. Look at the denominator. Split the number into that many equal parts. 1. Look at the denominator. Split the number into that many equal parts. 2. Select one of these parts. 2. Select one of these parts. 1 1 1 1 of 18 = 3 of 12 = 4 6 6 3 3 18 ÷ 6 = 3 12 ÷ 3 = 4
Fractions of numbers To find a unit fraction of any number… 1. Look at the denominator. Split the number into that many equal parts. 1. Look at the denominator. Split the number into that many equal parts. 2. Look at the denominator. Select that many parts. 2. Look at the denominator. Select that many parts. 5 5 2 2 of 18 = 15 of 12 = 8 6 6 3 3 18 ÷ 6 = 3 12 ÷ 3 = 4 3 × 5 = 15 4 × 2 = 8
3 3 3 3 5 5 4 4 Fractions of numbers To find a fraction of any number… 1. Look at the denominator. Split the number into that many equal parts. 1. Look at the denominator. Split the number into that many equal parts. 2. Look at the denominator. Select that many parts. 2. Look at the denominator. Select that many parts. 3 3 3 3 of 15 = 9 of 12 = 9 5 5 4 4 12 ÷ 4 = 3 15 ÷ 5 = 3 3 × 3 = 9 3 × 3 = 9
Mowing the playing field Duncan is cutting the grass of the school football pitch. What fraction of the pitch has he mown already and how much is left?