Ks2 Mathematical Fact Children Need To Know Page 2
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1
2Square Numbers
1
1x1
4
2x2
9
3x3
16
4x4
25
5x5
36
6x6
49
7x7
64
8x8
81
9x9
100
10x10
Place Value
1
2
3
4
5
6
7
8
9
Units
Tens
10
20
30
40
50
60
70
80
90
Hundreds
100
200
300
400
500
600
700
800
900
Thousands
1000
2000
3000
4000
5000
6000
7000
8000
9000
Children need to be able to explain this grid (it shows what happens when multiplying by 10)
Fractions
One whole (1)
½ (half)
½ (half)
¼ (quarter)
¼
¼
¼
1/8 (eighth)
1/8
1/8
1/8
1/8
1/8
1/8
1/8
One whole
1/3 (third)
1/3
1/3
1/6 (sixth)
1/6
1/6
1/6
1/6
1/6
One whole
1/5 (fifth)
1/5
1/5
1/5
1/5
1/10
1/10
1/10
1/10
1/10
1/10
1/10
1/10
1/10
1/10
(tenth)
Fraction / Decimal / Percentage Equivalence
Fraction
Decimal
Percentage
1 (whole)
1.0
100%
½
0.5
50%
¼
0.25
25%
¾
0.75
75%
1/10
0.1
10%
2/10
0.2
20%
If there is anything on this leaflet you would like to know more about, please see your child’s teacher or
Mrs Shannon.
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