Year 5 Maths Challenge 2 8.1.21

Friday 8 January 2020 th

Add fractions with the same denominator.

Let’s Revise!

Numerator

3 4

3 4 Denominator

3 4

3 4

1 5

+

3 5

One fifth

Three one fifths

1 5

3 5

One fifth

+

Three one fifths

=

1 + 3 5

=

1 + 3 5

=

4 5

=

4 5

Recap How do you add fractions when the denominator is the same?

S.C: Identify the numerator and denominator Calculate with the numerators Keep the denominator the same

Your Turn 1 4

1 4

+

+

=

=

1 4 One quarter

1 4

+

=

1 + 1 4

=

One quarter

+

2 4 Two one quarters

=

Your Turn 3 5

+

2 5

=

3 5 Three one fifths

+

2 5 Two one fifths

=

3 + 2 5

=

5 5 Five one fifths

=

1 One whole

Your Turn One mouse travels 5/8 of a metre.

The other mouse travels 2/8 of a metre.

How far do they travel altogether?

How far do they travel altogether?

5 8

+

2 8

5 + 2 = 8

=

7 8

Your Turn 2 11

+

4 11

+

3 11

=

2 11 Two one elevenths

+

4 11 Four one elevenths

+

3 11 Three one elevenths

= 2 + 4 + 3 11

=

9 11 Nine one elevenths

Your Turn 1 7

4 7

+

+

=

=

5 7

1

1 7

4 7

+

+

4 7

3 7

=

=

5 7

1

Challenge One

Challenge Two

Challenge Three

Plenary

+

7 = 9

This is the answer. What could the question be?

Plenary

1

2

6 3

5

4

This is the answer. What could the question be?

Answers 2 3

6 9

7 10

5 8

Challenge Two

6

8

5

7

8 9 11 12 10 6

5 4 7 5 12 9

18 8 6 8

1

3 3

2 3 1 3

3

12 8

1

5

6

6 5

1

6

6