1. Scottish Survey of Literacy & Numeracy
Support Material
First Level – Multiply / Divide 4 and 8
Produced by Education Scotland
Transforming lives through learning

2. divide
x 4
x 8
multiply
÷ 4
multiply
x 4
x 8
divide
÷ 8

3. more than 60% of pupils had difficulty with questions of the type
From recent surveys
more than 60% of pupils had difficulty with questions of the type
88p ÷ 4
36 x 8
£36 ÷ 8

4. milestones of progression?
Reflective questions
difficulties ?
milestones of progression?
mental strategies ?
building on halves & doubles ?

5. Practical learning A4 paper
Multiplying
Practical learning
A4 paper
Fold
Fold
Fold
Fold

6. Apply numbers 7 8 5 6
Fold 4 2
Fold
Fold 3 1

7. Key point double double double is not 6 times bigger
Reflection
reinforce 1 doubles to 2
2 doubles to 4
4 doubles to 8
Key point double double double is not 6 times bigger

8. double, double 4 times table double, double, double 8 times table
Key points
double times table
double, double times table
double, double, double times table
0 x 2 =
1 x 2 =
2 x 2 =
3 x 2 =
4 x 2 =
5 x 2 =
6 x 2 =
7 x 2 =
8 x 2 =
9 x 2 =
10 x 2 = 2 4 6 8 10 12 14 16 18 20 2 4 6 8 10 12 14 16 18 20
0 x 4 =
1 x 4 =
2 x 4 =
3 x 4 =
4 x 4 =
5 x 4 =
6 x 4 =
7 x 4 =
8 x 4 =
9 x 4 =
10 x 4 = 4 8 12 16 20 24 28 32 36 40 4 8 12 16 20 24 28 32 36 40
0 x 8 =
1 x 8 =
2 x 8 =
3 x 8 =
4 x 8 =
5 x 8 =
6 x 8 =
7 x 8 =
8 x 8 =
9 x 8 =
10 x 8 = 8 16 24 32 40 48 56 64 72 80 8 16 24 32 40 48 56 64 72 80

9. Questions to pupils go again what table ? adults and the 16 x table ?
go home and ask
show off your skills

10. 1/8 1/8 1/2 1/4 1/4 1/8 1/8 1 1/8 1/8 1/4 1/2 1/4 1/8 1/8 Dividing
Fold
1/8
1/8
1/4
1/2
1/4
Fold
Fold
1/8
1/8

11. Reflective Teaching Points
1/ ÷ 2
÷ /4
1/ half half half ÷ 8
2 x 1/2 =1 4 x 1/8 = 1/2 etc

12. Mental strategies 4 x 7 double 7 is 14 double 14 is 28
check answer with 4 times table
8 x 9
double 9 is 18 double 18 is double 36 is 72
check answer with 8 times table

13. What is 4 x 23
double double 23 92 46 92

14. What is 8 x 14 14
112 28 56
112
112
double double double

15. Dividing by 4 & 8 half 28 14 half 14 7 what is 28 ÷ 4 ?
mental strategy half half
half
half
28 ÷ 4 = 7 How can I check this?

16. £72 shared equally among 8 half £72 £36 half £36 £18 half £18 £9
Check that 9 x 8 = 72

17. Survey type questions:
Jane reads a book with 180 pages. When she is 1/4 way through, how many pages has she read ?
(about 30% correct)
A baker makes 120 scones and sells them in bags of 8. How many bags will she need ?
(about 20% correct)

18. 1/4 of ÷ 4
mental strategy or 90 90 90 45
number line

19. 120 ÷ 8
mental strategy or 60
120 30 60 90
120
120 60 30 90 15 45 75
105
check answer