Vietnam · Grade 2 · Practice Sheet 10

1. 1.

   What is half of 42?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   Fill in the missing number: 7 + ___ = 9.

   Formula:Missing Addend

   $b = \text{total} - a$

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3. 3.

   What is 4 + 4?

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   There are 4 bags with 5 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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5. 5.

   Add 75 and 29.

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   What is 7 × 3?

   Formula:Multiplication (Times Tables)

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

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7. 7.

   Add 71 and 20.

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   Add 4 + 3 + 6.

   Formula:Addition of Three Numbers

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

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9. 9.

   You have VND 7 and VND 9. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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10. 10.

    Add 4 + 20 + 10.

    Formula:Addition of Three Numbers

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

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11. 11.

    Add 57 and 5.

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

    There are 2 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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13. 13.

    Subtract 54 from 93.

    Formula:Subtraction

    $\text{difference} = a - b$

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14. 14.

    Add 84 and 15.

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    What is double 8?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    Subtract 33 from 59.

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    Add 37 and 47.

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    Add 3 + 10 + 6.

    Formula:Addition of Three Numbers

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

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19. 19.

    Fill in the missing number: 3 + ___ = 8.

    Formula:Missing Addend

    $b = \text{total} - a$

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20. 20.

    Add 76 and 22.

    Formula:Addition

    $\text{sum} = a + b$

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