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South Korea · Grade 3 · Practice Sheet 31

Sheet code: SOUTH-KOREA-G3-S31 · 20 questions

Name: ______________
Date: ______________
  1. 1.

    You have ₩2 and ₩1. How much money do you have altogether?

    Formula:Adding Money
    total=a+b\text{total} = a + b
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  2. 2.

    How many tens are there in the number 26?

    Formula:Place Value
    value=tens×10+ones\text{value} = \text{tens} \times 10 + \text{ones}
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  3. 3.

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

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

    Add 52 and 39.

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

    What is 5 × 9?

    Formula:Multiplication (Times Tables)
    product=a×b\text{product} = a \times b
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  6. 6.

    What is half of 36?

    Formula:Halving
    h=n÷2h = n \div 2
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  7. 7.

    Subtract 47 from 55.

    Formula:Subtraction
    difference=a−b\text{difference} = a - b
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  8. 8.

    There are 2 bags with 3 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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  9. 9.

    What is half of 10?

    Formula:Halving
    h=n÷2h = n \div 2
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  10. 10.

    What is 7 × 9?

    Formula:Multiplication (Times Tables)
    product=a×b\text{product} = a \times b
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  11. 11.

    You have ₩2 and ₩5. How much money do you have altogether?

    Formula:Adding Money
    total=a+b\text{total} = a + b
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  12. 12.

    Continue the pattern by counting in 10s: 0, 10, ___

    Formula:Skip Counting
    next=term+step\text{next} = \text{term} + \text{step}
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  13. 13.

    What is 2 × 8?

    Formula:Multiplication (Times Tables)
    product=a×b\text{product} = a \times b
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  14. 14.

    Add 8 + 13 + 9.

    Formula:Addition of Three Numbers
    sum=a+b+c\text{sum} = a + b + c
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  15. 15.

    What is 9 × 5?

    Formula:Multiplication (Times Tables)
    product=a×b\text{product} = a \times b
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  16. 16.

    You have ₩6 and ₩2. How much money do you have altogether?

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

    Add 20 and 12.

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

    Add 6 + 17 + 15.

    Formula:Addition of Three Numbers
    sum=a+b+c\text{sum} = a + b + c
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  19. 19.

    Subtract 8 from 87.

    Formula:Subtraction
    difference=a−b\text{difference} = a - b
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  20. 20.

    Fill in the missing number: 4 + ___ = 13.

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