South Korea · Grade 2 · Practice Sheet 33

1. 1.

   What is half of 40?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   What is 8 × 4?

   Formula:Multiplication (Times Tables)

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

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3. 3.

   You have ₩9 and ₩2. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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4. 4.

   What is 8 × 2?

   Formula:Multiplication (Times Tables)

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

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5. 5.

   What is 18 − 12?

   Formula:Subtraction

   $\text{difference} = a - b$

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6. 6.

   Continue the pattern by counting in 2s: 8, 10, ___

   Formula:Skip Counting

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

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7. 7.

   Subtract 51 from 92.

   Formula:Subtraction

   $\text{difference} = a - b$

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8. 8.

   What is double 19?

   Formula:Doubling

   $d = 2 \times n$

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9. 9.

   What is 3 × 7?

   Formula:Multiplication (Times Tables)

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

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10. 10.

    What is half of 8?

    Formula:Halving

    $h = n \div 2$

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11. 11.

    What is double 10?

    Formula:Doubling

    $d = 2 \times n$

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12. 12.

    Add 73 and 13.

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    What is 3 × 2?

    Formula:Multiplication (Times Tables)

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

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14. 14.

    What is half of 42?

    Formula:Halving

    $h = n \div 2$

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15. 15.

    There are 4 bags with 3 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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16. 16.

    What is double 20?

    Formula:Doubling

    $d = 2 \times n$

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17. 17.

    What is half of 8?

    Formula:Halving

    $h = n \div 2$

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18. 18.

    Add 14 + 5 + 5.

    Formula:Addition of Three Numbers

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

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19. 19.

    Continue the pattern by counting in 5s: 0, 5, ___

    Formula:Skip Counting

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

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20. 20.

    What is double 23?

    Formula:Doubling

    $d = 2 \times n$

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