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Ecuador · Grado 1 · Practice Sheet 18

Sheet code: ECUADOR-G1-S18 · 20 questions

Name: ______________
Date: ______________
  1. 1.

    What is 3 + 4?

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  2. 2.

    You have $1 and $1. How much money do you have altogether?

    Formula:Adding Money
    total=a+b\text{total} = a + b
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  3. 3.

    What is double 6?

    Formula:Doubling
    d=2×nd = 2 \times n
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  4. 4.

    You have $8 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.

    Fill in the missing number: 12 + ___ = 21.

    Formula:Missing Addend
    b=total−ab = \text{total} - a
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  6. 6.

    What is 1 + 6?

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  7. 7.

    Add 34 and 26.

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  8. 8.

    What is 5 + 4?

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  9. 9.

    What is 10 − 7?

    Formula:Subtraction
    difference=a−b\text{difference} = a - b
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  10. 10.

    You have $8 and $5. How much money do you have altogether?

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

    Add 74 and 58.

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

    Fill in the missing number: 3 + ___ = 7.

    Formula:Missing Addend
    b=total−ab = \text{total} - a
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  13. 13.

    What is 2 + 4?

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

    Fill in the missing number: 6 + ___ = 14.

    Formula:Missing Addend
    b=total−ab = \text{total} - a
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  15. 15.

    Continue the pattern by counting in 10s: 30, 40, ___

    Formula:Skip Counting
    next=term+step\text{next} = \text{term} + \text{step}
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  16. 16.

    What is 3 + 5?

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  17. 17.

    Add 18 and 10.

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

    What is 7 + 8?

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

    Add 63 and 36.

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  20. 20.

    What is double 23?

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