Scottish Survey of Literacy & Numeracy Support Material –

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Scottish Survey of Literacy &
Numeracy
Support Material
Second Level –
Multiply / Divide 4 and 8 Decimals
Classroom version
Produced by Education Scotland
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35 ÷ 4 = 8 r 3
26 ÷ 8 = 3 r 2
35 ÷ 4 = 8.75
26 ÷ 8 = 3.25
Reflective Question
Check answer and how?
35 ÷ 4 = 8 r 3
So 8 x 4 add 3 = 35
26 ÷ 8 = 3.25
So 8 x 3.25 = 26
Reminders
÷4
÷4

÷8
¼
and
÷8

Mental approaches
half
half
half
⅛
Key Teaching Points
3
30
300
promotes 3
increases size of number
H
T
U
3
3 0
0 3
0
3
.00
3.00
3
.0 3
3.0
U .
th
hth
£3 shared equally among 4
Half £3
£1.50
Why?
3 ÷ 2 = 1.50
Half £1.50
3 ÷ 4 = 0.75
£0.75
Why?
Remember 3 = 3.00
so 3 ÷ 4 is 3.00 ÷ 4
0 75
3 2
4 3.00
.
Survey type question
426 ÷ 8
53
2
8 426
or
r2
2
/
=53 8
=53¼
53 25
2 2 4
8 426.00
.
Mental approaches
Half 426
213
Half 213
106.5
Half 106.5
53.25
www.educationscotland.gov.uk
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