Flash Cards: Subtracting within 6 Flash Cards: Subtracting ...
MathSphere or subtracting 10 Equipment Paper, pencil, ruler Number line MathSphere © MathSphere...
Transcript of MathSphere or subtracting 10 Equipment Paper, pencil, ruler Number line MathSphere © MathSphere...
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MATHEMATICS
Y1 Calculating 1260
Adding or subtracting 10
Equipment Paper, pencil, ruler Number line
MathSphere
© MathSphere www.mathsphere.co.uk
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1260 Adding or subtracting ten Page 2 © MathSphere www.mathsphere.co.uk
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.
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1260 Adding or subtracting ten Page 3 © MathSphere www.mathsphere.co.uk
Adding ten
Join the kites to the correct ratties
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1260 Adding or subtracting ten Page 4 © MathSphere www.mathsphere.co.uk
Adding ten
Join the kites to the correct ratties
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1260 Adding or subtracting ten Page 5 © MathSphere www.mathsphere.co.uk
Add ten
4 7 2 6 1
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1260 Adding or subtracting ten Page 6 © MathSphere www.mathsphere.co.uk
Add ten
5 8 3 0 9
add 10
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1260 Adding or subtracting ten Page 7 © MathSphere www.mathsphere.co.uk
1. 4 + 10 = 2. 1 + 10 = 3. 8 + 10 = 4. 5 + 10 = 5. 2 + 10 =
What a lovely day! Try adding these!
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1260 Adding or subtracting ten Page 8 © MathSphere www.mathsphere.co.uk
1. 7 + 10 = 2. 0 + 10 = 3. 3 + 10 = 4. 6 + 10 = 5. 9 + 10 =
Wakey, wakey! Try adding these!
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1260 Adding or subtracting ten Page 9 © MathSphere www.mathsphere.co.uk
1. 5 + = 15 2. 3 + 10 = 3. 2 + = 12 4. 8 + 10 = 5. 4 + = 14
Feeling good today, I hope! Find the missing numbers!
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1260 Adding or subtracting ten Page 10 © MathSphere www.mathsphere.co.uk
Add ten
1. 1 + = 11 2. 6 + 10 = 3. 9 + = 19 4. 7 + 10 = 5. 0 + = 10
Try to fill in the missing numbers.
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1260 Adding or subtracting ten Page 11 © MathSphere www.mathsphere.co.uk
Subtract ten
12 18 13 10 15
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1260 Adding or subtracting ten Page 12 © MathSphere www.mathsphere.co.uk
Subtract ten
19 16 17 14 11
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1260 Adding or subtracting ten Page 13 © MathSphere www.mathsphere.co.uk
Subtract ten
1. 12 − = 2
2. 15 − 10 =
3. 11 − = 1
4. 17 − 10 =
5. 10 − = 0
Try to fill in the missing numbers.
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1260 Adding or subtracting ten Page 14 © MathSphere www.mathsphere.co.uk
Subtract ten
1. 18 − = 8
2. 14 − 10 =
3. 13 − = 3
4. 19 − 10 =
5. 16 − = 6
Hi! Now try these subtractions.