# Maypole School Calculation Policy ADDITION SUBTRACTION

```Maypole School Calculation Policy
SUBTRACTION
ALWAYS complete units first
single units and tens
Number line subtracting
in single units and tens
30
31
32
Sharing
2+2+2+2=8
10 &divide; 2 = 5
-1 -1 -1
Use of number line and
100 squares when
subtracting in groups of
units and multiples of
tens.
42 – 23
22
42
Year 1
Year 1
39 40 41 42
-10
Year 2
Year 2
+20
29
42
Use of number line and
number squares when
and multiples of ten
29 + 23
+3
23
Groups of
5 x 3 = 15
Arrays
3 x 5 = 15
    
    
    
-1
29
32
52
-20
Recall of 2, 5 and 10 times table
and division facts
Grouping and
sharing
25 &divide; 5 = 5
Year 2
29
+10
+1 +1
DIVISION
42 – 13
Year 1
Year 1
29 + 13
+1
MULTIPLICATION
Year 2
Maypole School Calculation Policy
Expanded column method
up to HTU + HTU
245 + 352
Expanded column
subtraction for 3 digit
numbers
363-127 = 236
+
262
691
953
1
Some children may
begin to use column
subtraction with 3 digits
8
1
695
- 316
379
Expanded multiplication
TU x 2, 3, 5 or 10
19 X 5 =
9 x 5 = 45
10 x 5 = 50
45 + 50 = 95
Year 3
300 60 3
- 100 20 7
200 30 6
Year 3
to 3 digits
262 + 691
Quick recall of 2, 3, 4,
5, 8 and 10 times
table and division
facts.
50 13
Year 3
Year 3
245
+ 352
7
90
500
597
Quick recall of 2, 3, 4, 5, 8 and
10 times table and division
facts
Including
calculations with
remainders
37 &divide; 5 = 7 r.2
Maypole School Calculation Policy
Column subtraction for
4 digit numbers
5675 - 1356
6
1462
+ 6791
8253
Chunking method
TU &divide; U
72 &divide; 3
1
5675
- 1356
4319
325
X 7
35
140
2100
2275
Year 4
1
Year 4
Year 4
1
Expanded multiplication
HTU x U
(5x7)
(20x7)
(300x7)
Quick recall of times table
facts up to 12x12
Some children may begin to
use short multiplication for
HTU x U
Year 4
to 4 digits
1462 + 6791
24
3 72
- 30 (3x10)
42
30(3x10)
12
12 (3x4)
0
Children who know
times table facts to
use short division up
to HTU &divide; U
156 &divide; 4
378
X 6
2268
3 9
4 11 536
Maypole School Calculation Policy
Column subtraction
with more than 4 digits
65635
- 41956
23679
Year 5
1
Year 5
Year 5
1
Quick recall of
division facts up to
144 &divide; 12
332
X 17
2324
3320
5644
4 15 12 1
414.46
+367.99
782.45
1
Long multiplication
HTU x TU
Short Multiplication
ThHTU x U
5378
X 6
32268
Year 5
more than 4 digits
Short division
ThHTU &divide; U
5156 &divide; 4
1 2 8 9
4 5 1 1 3 53 6
4b/a
Maypole School Calculation Policy
1
1
1
15
th th
12 1
656.35
-419.56
236.79
Long division
for 4 digit by 2 digit
whole numbers
3428 &divide; 16
2332
X 218
18656
23320
466400
508376
Year 6
1
4
Long multiplication
for 4 digit by 2 digit whole
numbers
Year 6
14.468
+67.997
82.465
Column subtraction
with more than 4 digits
Year 6
Year 6