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Indonesia · Grade 1 · Practice Sheet 50

Sheet code: INDONESIA-G1-S50 · 20 questions

Name: ______________
Date: ______________
  1. 1.

    Fill in the missing number: 9 + ___ = 21.

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

    Add 52 and 10.

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  3. 3.

    What is 12 − 9?

    Formula:Subtraction
    difference=a−b\text{difference} = a - b
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  4. 4.

    Add 25 and 23.

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  5. 5.

    Continue the pattern by counting in 3s: 3, 6, ___

    Formula:Skip Counting
    next=term+step\text{next} = \text{term} + \text{step}
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  6. 6.

    What is double 4?

    Formula:Doubling
    d=2×nd = 2 \times n
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  7. 7.

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

    Formula:Adding Money
    total=a+b\text{total} = a + b
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  8. 8.

    Fill in the missing number: 12 + ___ = 25.

    Formula:Missing Addend
    b=total−ab = \text{total} - a
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  9. 9.

    What is 9 + 8?

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

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

    Formula:Adding Money
    total=a+b\text{total} = a + b
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  11. 11.

    What is 7 + 7?

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  12. 12.

    You have Rp 7 and Rp 9. How much money do you have altogether?

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

    Fill in the missing number: 2 + ___ = 9.

    Formula:Missing Addend
    b=total−ab = \text{total} - a
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  14. 14.

    What is double 9?

    Formula:Doubling
    d=2×nd = 2 \times n
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  15. 15.

    What is 13 − 2?

    Formula:Subtraction
    difference=a−b\text{difference} = a - b
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  16. 16.

    Continue the pattern by counting in 10s: 40, 50, ___

    Formula:Skip Counting
    next=term+step\text{next} = \text{term} + \text{step}
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  17. 17.

    Fill in the missing number: 11 + ___ = 22.

    Formula:Missing Addend
    b=total−ab = \text{total} - a
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  18. 18.

    Add 72 and 16.

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

    You have Rp 8 and Rp 6. How much money do you have altogether?

    Formula:Adding Money
    total=a+b\text{total} = a + b
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  20. 20.

    What is 7 + 7?

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