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or subtracting 10 Equipment Paper, pencil, ruler Number line MathSphere © MathSphere 1260 Adding or subtracting ten Page 2 Concepts next stage is to introduce addition of ten to a

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Text of or subtracting 10 Equipment Paper, pencil, ruler Number line MathSphere © MathSphere 1260...

  • MATHEMATICS

    Y1 Calculating 1260

    Adding or subtracting 10

    Equipment Paper, pencil, ruler Number line

    MathSphere

    MathSphere www.mathsphere.co.uk

  • 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.

  • 1260 Adding or subtracting ten Page 3 MathSphere www.mathsphere.co.uk

    Adding ten

    Join the kites to the correct ratties

    0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

    1

    6 5

    9

    2

    7

    11

    15 12 16

    19 17

  • 1260 Adding or subtracting ten Page 4 MathSphere www.mathsphere.co.uk

    Adding ten

    Join the kites to the correct ratties

    0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

    3

    5 4

    8

    0

    6

    13

    14 15 18

    16 10

  • 1260 Adding or subtracting ten Page 5 MathSphere www.mathsphere.co.uk

    Add ten

    4 7 2 6 1

    add 10

    add 10

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    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 Page 6 MathSphere www.mathsphere.co.uk

    Add ten

    5 8 3 0 9

    add 10

    add 10

    add 10

    add 10

    add 10

    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 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!

  • 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!

  • 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!

  • 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.

  • 1260 Adding or subtracting ten Page 11 MathSphere www.mathsphere.co.uk

    Subtract ten

    12 18 13 10 15

    subtract 10

    subtract 10

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    subtract 10

    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 Page 12 MathSphere www.mathsphere.co.uk

    Subtract ten

    19 16 17 14 11

    subtract 10

    subtract 10

    subtract 10

    subtract 10

    subtract 10

    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 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.

  • 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.

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