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South Korea · Grade 2 · Practice Sheet 49

Sheet code: SOUTH-KOREA-G2-S49 · 20 questions

Name: ______________
Date: ______________
  1. 1.

    How many tens are there in the number 53?

    Formula:Place Value
    value=tens×10+ones\text{value} = \text{tens} \times 10 + \text{ones}
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  2. 2.

    Subtract 57 from 89.

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

    What is 3 + 9?

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

    Subtract 11 from 60.

    Formula:Subtraction
    difference=a−b\text{difference} = a - b
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  5. 5.

    There are 5 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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  6. 6.

    You have ₩1 and ₩8. How much money do you have altogether?

    Formula:Adding Money
    total=a+b\text{total} = a + b
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  7. 7.

    Add 73 and 7.

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

    What is double 20?

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

    Subtract 16 from 86.

    Formula:Subtraction
    difference=a−b\text{difference} = a - b
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  11. 11.

    Fill in the missing number: 9 + ___ = 14.

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

    Add 18 + 8 + 3.

    Formula:Addition of Three Numbers
    sum=a+b+c\text{sum} = a + b + c
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  13. 13.

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

    Formula:Adding Money
    total=a+b\text{total} = a + b
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  14. 14.

    Fill in the missing number: 15 + ___ = 22.

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

    What is double 14?

    Formula:Doubling
    d=2×nd = 2 \times n
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  16. 16.

    Fill in the missing number: 10 + ___ = 16.

    Formula:Missing Addend
    b=total−ab = \text{total} - a
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  17. 17.

    Add 68 and 51.

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

    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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  19. 19.

    How many tens are there in the number 78?

    Formula:Place Value
    value=tens×10+ones\text{value} = \text{tens} \times 10 + \text{ones}
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  20. 20.

    There are 6 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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