South Korea · Grade 2 · Practice Sheet 39

1. 1.

   What is 6 + 7?

   Formula:Addition

   $\text{sum} = a + b$

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2. 2.

   Subtract 25 from 46.

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   Add 53 and 35.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   What is half of 6?

   Formula:Halving

   $h = n \div 2$

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5. 5.

   What is 4 × 2?

   Formula:Multiplication (Times Tables)

   $\text{product} = a \times b$

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6. 6.

   Add 66 and 43.

   Formula:Addition

   $\text{sum} = a + b$

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7. 7.

   What is 7 + 4?

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   There are 4 bags with 2 apples in each bag. How many apples are there in total?

   Formula:Multiplication as Repeated Addition

   $\text{total} = \text{groups} \times \text{size}$

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9. 9.

   What is half of 38?

   Formula:Halving

   $h = n \div 2$

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10. 10.

    How many tens are there in the number 62?

    Formula:Place Value

    $\text{value} = \text{tens} \times 10 + \text{ones}$

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11. 11.

    What is 16 − 13?

    Formula:Subtraction

    $\text{difference} = a - b$

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12. 12.

    How many tens are there in the number 25?

    Formula:Place Value

    $\text{value} = \text{tens} \times 10 + \text{ones}$

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13. 13.

    What is 4 + 6?

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    Subtract 29 from 60.

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

    Fill in the missing number: 11 + ___ = 20.

    Formula:Missing Addend

    $b = \text{total} - a$

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16. 16.

    Continue the pattern by counting in 5s: 15, 20, ___

    Formula:Skip Counting

    $\text{next} = \text{term} + \text{step}$

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17. 17.

    What is 8 + 7?

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    Add 78 and 52.

    Formula:Addition

    $\text{sum} = a + b$

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19. 19.

    What is half of 28?

    Formula:Halving

    $h = n \div 2$

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20. 20.

    Add 4 + 20 + 5.

    Formula:Addition of Three Numbers

    $\text{sum} = a + b + c$

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