MathSphere
[Pages:14]MATHEMATICS
Y1 Calculating
1260 Adding or subtracting 10
Paper, pencil, ruler Number line
Equipment
MathSphere
? MathSphere mathsphere.co.uk
1260 Adding or subtracting ten
? MathSphere
mathsphere.co.uk
Page 2
Concepts
Once children are confident with adding and subtracting numbers up to ten the next stage is to introduce addition of ten to a number. Before doing this children should be confident with counting in the teens.
Subtraction develops by taking ten from a teens number.
Once again lots of oral work needs to be done with these and children will probably need the aid of a number line to begin with.
1260 Adding or subtracting ten
? MathSphere
mathsphere.co.uk
Adding ten Join the kites to the correct ratties
6
2
5
1
9
7
15 12
16
17
11
19
Page 3
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
1260 Adding or subtracting ten
? MathSphere
mathsphere.co.uk
Adding ten
Join the kites to the correct ratties
5
0
4
3
8
6
14 15
18
10
13
16
Page 4
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
1260 Adding or subtracting ten
? MathSphere
mathsphere.co.uk
Add ten
4 add 10
7 add 10
2 add 10
6 add 10
1 add 10
Page 5
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
1260 Adding or subtracting ten
? MathSphere
mathsphere.co.uk
Add ten
5 add 10
8 add 10
3 add 10
0 add 10
9 add 10
Page 6
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
1260 Adding or subtracting ten
? MathSphere
mathsphere.co.uk
Page 7
What a lovely day! Try adding these!
4 1. + 10 =
1 2. + 10 =
8 3. + 10 =
5 4. + 10 =
2 5. + 10 =
1260 Adding or subtracting ten
? MathSphere
mathsphere.co.uk
Wakey, wakey! Try adding these!
Page 8
7 1. + 10 =
0 2. + 10 =
3 3. + 10 =
6 4. + 10 =
9 5. + 10 =
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