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Ecuador · Grado 3 · Practice Sheet 42

Sheet code: ECUADOR-G3-S42 · 20 questions

Name: ______________
Date: ______________
  1. 1.

    What is double 20?

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

    There are 4 bags with 5 apples in each bag. How many apples are there in total?

    Formula:Multiplication as Repeated Addition
    total=groups×size\text{total} = \text{groups} \times \text{size}
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  3. 3.

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

    Formula:Adding Money
    total=a+b\text{total} = a + b
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  4. 4.

    How many tens are there in the number 16?

    Formula:Place Value
    value=tens×10+ones\text{value} = \text{tens} \times 10 + \text{ones}
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  5. 5.

    Add 22 and 48.

    Formula:Addition
    sum=a+b\text{sum} = a + b
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  6. 6.

    How many tens are there in the number 52?

    Formula:Place Value
    value=tens×10+ones\text{value} = \text{tens} \times 10 + \text{ones}
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  7. 7.

    You have $9 and $8. How much money do you have altogether?

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

    Add 68 and 8.

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

    Add 8 + 10 + 14.

    Formula:Addition of Three Numbers
    sum=a+b+c\text{sum} = a + b + c
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  10. 10.

    There are 5 bags with 4 apples in each bag. How many apples are there in total?

    Formula:Multiplication as Repeated Addition
    total=groups×size\text{total} = \text{groups} \times \text{size}
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  11. 11.

    Add 19 + 20 + 12.

    Formula:Addition of Three Numbers
    sum=a+b+c\text{sum} = a + b + c
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  12. 12.

    You have $9 and $3. How much money do you have altogether?

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

    Add 18 + 17 + 5.

    Formula:Addition of Three Numbers
    sum=a+b+c\text{sum} = a + b + c
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  14. 14.

    You have $8 and $9. How much money do you have altogether?

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

    How many tens are there in the number 99?

    Formula:Place Value
    value=tens×10+ones\text{value} = \text{tens} \times 10 + \text{ones}
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  16. 16.

    What is half of 40?

    Formula:Halving
    h=n÷2h = n \div 2
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  17. 17.

    Continue the pattern by counting in 5s: 5, 10, ___

    Formula:Skip Counting
    next=term+step\text{next} = \text{term} + \text{step}
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  18. 18.

    How many tens are there in the number 98?

    Formula:Place Value
    value=tens×10+ones\text{value} = \text{tens} \times 10 + \text{ones}
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  19. 19.

    Add 27 and 55.

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

    Subtract 7 from 37.

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