# Number Bonds to 20 19 + 1 = 20 18 + 2 = 20 17 + 3 = 20 16 + 4 = 20 15 + 5 = 20 14 + 6 = 20 13 + 7 = 20 12 + 8 = 20 11 + 9 = 20 10 + 10 = 20 9 + 11 = 20.

## Presentation on theme: "Number Bonds to 20 19 + 1 = 20 18 + 2 = 20 17 + 3 = 20 16 + 4 = 20 15 + 5 = 20 14 + 6 = 20 13 + 7 = 20 12 + 8 = 20 11 + 9 = 20 10 + 10 = 20 9 + 11 = 20."— Presentation transcript:

Number Bonds to 20 19 + 1 = 20 18 + 2 = 20 17 + 3 = 20 16 + 4 = 20
= 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20

Pair the numbers to make 20
Number Bonds for 20 10 11 15 12 7 5 16 8 9 13 4 10

Pair the numbers to make 20
Number Bonds for 20 14 18 19 13 17 1 7 2 20 3 6

Pair the numbers to make 20
Number Bonds for 20 14 15 17 9 12 8 5 11 16 3 6 4

Find the missing number
Number Bonds for 20 ? = 20 2 ? = 20 15 ? = 20 7 ? = 20 19 ? = 20 4 ? = 20 17 ? = 20 10 ? = 20 20 ? = 20 6 ? = 20 11

Now try these Number Bonds for 20 = ? 5 = ? 17 = ? 18 = ? 16 = ? 3 = ? 14 = ? 8 = ? 9 = ? 7 = ? 13

And finally these Number Bonds for 20 1. ? = 20 13 = ? 15 = ? 4 ? = 20 17 ? = 20 2 = ? 12 ? = 8 12 ? = 20 11 5. ? = 20 16 = ? 16

Worksheet (Print) 1. 18 + = 20 2. 13 + = 20 3. 16 + = 20 4. 10 + = 20
= 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = 20 = = = = = = = = = = = = = = = = = = = = = 20 = ? = 20 = 8 = 20 = = 20 = = 20 = = 20 = ? = 20 = 8 = 20 = = 20 = = 20 = Worksheet (Print)

Click on remaining numbers to remove or go to next slide.
3 4 2 Click on the number that makes the middle number up to 20 1 Interactive 20 18 ? 6 9 5 7 Click on remaining numbers to remove or go to next slide.

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8 4 2 Click on the number that makes the middle number up to 1 13 ? 6 20 9 5 7 Click on remaining numbers to remove or go to next slide.

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2 5 4 Click on the number that makes the middle number up to 8 9 ? 6 20 3 11 7 Click on remaining numbers to remove or go to next slide.

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12 15 14 Click on the number that makes the middle number up to 13 7 ? 16 20 11 18 19 Click on remaining numbers to remove or go to next slide.

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12 15 16 Click on the number that makes the middle number up to 13 4 ? 17 20 11 18 19 Click on remaining numbers to remove or go to next slide.

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8 5 4 Click on the number that makes the middle number up to 3 12 ? 7 20 1 6 9 Click on remaining numbers to remove or go to next slide.

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8 5 4 Click on the number that makes the middle number up to 3 14 ? 7 20 2 9 6 Click on remaining numbers to remove or go to next slide.

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3 4 5 Click on the number that makes the middle number up to 20 1 15 ? 6 9 8 7 Click on remaining numbers to remove or go to next slide.

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2 9 1 Click on the number that makes the middle number up to 8 16 ? 5 20 3 4 7 Click on remaining numbers to remove or go to next slide.

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11 5 4 Click on the number that makes the middle number up to 10 10 ? 6 20 12 8 9 Click on remaining numbers to remove or go to next slide.

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3 4 2 Click on the number that makes the middle number up to 20 1 18 ? 6 9 5 7 Click on remaining numbers to remove or go to next slide.

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3 4 2 Click on the number that makes the middle number up to 17 1 Interactive Mixed 12 ? 6 9 5 7 Click on remaining numbers to remove or go to next slide.

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3 4 7 Click on the number that makes the middle number up to 13 1 7 ? 8 9 5 6 Click on remaining numbers to remove or go to next slide.

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3 4 9 Click on the number that makes the middle number up to 18 1 12 ? 8 6 5 7 Click on remaining numbers to remove or go to next slide.

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3 9 4 Click on the number that makes the middle number up to 17 1 8 ? 6 2 5 7 Click on remaining numbers to remove or go to next slide.

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8 4 3 Click on the number that makes the middle number up to 14 1 6 ? 11 9 5 7 Click on remaining numbers to remove or go to next slide.

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11 4 5 Click on the number that makes the middle number up to 15 1 8 ? 6 9 8 7 Click on remaining numbers to remove or go to next slide.

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3 2 Click on the number that makes the middle number up to 13 1 9 ? 6 4 5 7 Click on remaining numbers to remove or go to next slide.

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3 4 1 Click on the number that makes the middle number up to 17 8 6 11 ? 9 5 7 Click on remaining numbers to remove or go to next slide.

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3 4 2 Click on the number that makes the middle number up to 12 1 9 ? 6 8 5 7 Click on remaining numbers to remove or go to next slide.

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13 14 16 Click on the number that makes the middle number up to 15 11 3 12 ? 9 15 17 Click on remaining numbers to remove or go to next slide.

Click on the number that makes the middle number up to
2 10 6 Click on the number that makes the middle number up to 13 1 9 4 ? 3 5 17

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