Multiply fractions by fractions b) = 1 - White Rose Maths · Multiply fractions by fractions 1...
Transcript of Multiply fractions by fractions b) = 1 - White Rose Maths · Multiply fractions by fractions 1...
b) 12
× 23
= 12
12
13
13
13
3 a) Divide the square to show that 23
× 34
is equal to 612
b) Mo says 23
× 34
is equal to 12
Is Mo correct?
Explain your answer.
Multiply fractionsby fractions
1 Dexter works out 12
× 13
using a grid method.
12
12
13
13
13
Explain how this shows 12
× 13 =
16
2 Shade the diagrams to show the fraction multiplications.
Complete the multiplications.
a) 12
× 14
= 12
12
14
14
14
14
© White Rose Maths 2019
4 Complete the calculations.
a) 14
× 15
= e) 34
× 15
=
b) 15
× 16
= f) 25
× 56
=
c) = 17
× 18
g) 57
× 58
=
d) 18
× 19
× 110
= h) 38
× 29
× 310
=
5 Use the diagram to complete the calculations.
a) 13
of 14 =
b) 23
of 34 =
c) What do you notice about your answers?
Talk to your partner.
6 Fill in the missing numbers.
a) 110
= 12
× 1 b) 15
× 3
= 215
7 Fill in the missing numbers.
a) 110
= 4
× 5
b) 14
= 4
× 5
© White Rose Maths 2019
8 Calculate the area of the shapes.
a) b)
Area = m2 Area = m2
9 Work out the area of the shaded part.
23 m
45 m
910 m
910 m
26 m
37 m
110 m
110 m