Vietnam · Grade 2 · Practice Sheet 40

1. 1.

   What is double 24?

   Formula:Doubling

   $d = 2 \times n$

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2. 2.

   What is half of 8?

   Formula:Halving

   $h = n \div 2$

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3. 3.

   What is 8 + 3?

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   Subtract 54 from 70.

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   Fill in the missing number: 9 + ___ = 11.

   Formula:Missing Addend

   $b = \text{total} - a$

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6. 6.

   What is double 22?

   Formula:Doubling

   $d = 2 \times n$

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7. 7.

   There are 3 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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8. 8.

   What is half of 38?

   Formula:Halving

   $h = n \div 2$

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9. 9.

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

   Formula:Skip Counting

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

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10. 10.

    What is 2 + 5?

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    What is 2 × 8?

    Formula:Multiplication (Times Tables)

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

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12. 12.

    What is half of 16?

    Formula:Halving

    $h = n \div 2$

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13. 13.

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

    Formula:Adding Money

    $\text{total} = a + b$

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14. 14.

    What is 4 + 7?

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    Fill in the missing number: 12 + ___ = 24.

    Formula:Missing Addend

    $b = \text{total} - a$

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16. 16.

    Add 16 + 13 + 11.

    Formula:Addition of Three Numbers

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

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17. 17.

    What is half of 38?

    Formula:Halving

    $h = n \div 2$

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18. 18.

    What is double 23?

    Formula:Doubling

    $d = 2 \times n$

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19. 19.

    What is 6 − 1?

    Formula:Subtraction

    $\text{difference} = a - b$

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20. 20.

    Subtract 20 from 64.

    Formula:Subtraction

    $\text{difference} = a - b$

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