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Cambodia · Grade 1 · Practice Sheet 49

Sheet code: CAMBODIA-G1-S49 · 20 questions

Name: ______________
Date: ______________
  1. 1.

    Fill in the missing number: 7 + ___ = 10.

    Formula:Missing Addend
    b=total−ab = \text{total} - a
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  2. 2.

    What is 7 − 6?

    Formula:Subtraction
    difference=a−b\text{difference} = a - b
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  3. 3.

    What is 9 + 6?

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  4. 4.

    You have ៛ 4 and ៛ 8. How much money do you have altogether?

    Formula:Adding Money
    total=a+b\text{total} = a + b
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  5. 5.

    What is double 10?

    Formula:Doubling
    d=2×nd = 2 \times n
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  6. 6.

    What is 17 − 13?

    Formula:Subtraction
    difference=a−b\text{difference} = a - b
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  7. 7.

    What is double 17?

    Formula:Doubling
    d=2×nd = 2 \times n
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  8. 8.

    What is 17 − 15?

    Formula:Subtraction
    difference=a−b\text{difference} = a - b
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  9. 9.

    What is 8 + 5?

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  10. 10.

    What is double 23?

    Formula:Doubling
    d=2×nd = 2 \times n
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  11. 11.

    Fill in the missing number: 10 + ___ = 20.

    Formula:Missing Addend
    b=total−ab = \text{total} - a
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  12. 12.

    You have ៛ 2 and ៛ 8. How much money do you have altogether?

    Formula:Adding Money
    total=a+b\text{total} = a + b
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  13. 13.

    What is 6 + 3?

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  14. 14.

    You have ៛ 4 and ៛ 5. How much money do you have altogether?

    Formula:Adding Money
    total=a+b\text{total} = a + b
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  15. 15.

    Add 21 and 28.

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  16. 16.

    You have ៛ 3 and ៛ 8. How much money do you have altogether?

    Formula:Adding Money
    total=a+b\text{total} = a + b
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  17. 17.

    What is 9 + 1?

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  18. 18.

    Add 24 and 52.

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  19. 19.

    Continue the pattern by counting in 10s: 20, 30, ___

    Formula:Skip Counting
    next=term+step\text{next} = \text{term} + \text{step}
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  20. 20.

    What is 1 + 3?

    Formula:Addition
    sum=a+b\text{sum} = a + b
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