Vietnam · Grade 2 · Practice Sheet 5

1. 1.

   Subtract 34 from 39.

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

   There are 4 bags with 6 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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3. 3.

   Fill in the missing number: 2 + ___ = 6.

   Formula:Missing Addend

   $b = \text{total} - a$

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4. 4.

   Subtract 26 from 86.

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   What is double 6?

   Formula:Doubling

   $d = 2 \times n$

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6. 6.

   What is half of 48?

   Formula:Halving

   $h = n \div 2$

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7. 7.

   Fill in the missing number: 3 + ___ = 14.

   Formula:Missing Addend

   $b = \text{total} - a$

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8. 8.

   What is double 9?

   Formula:Doubling

   $d = 2 \times n$

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9. 9.

   Add 16 + 9 + 8.

   Formula:Addition of Three Numbers

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

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10. 10.

    Subtract 30 from 39.

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    Add 76 and 7.

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

    How many tens are there in the number 78?

    Formula:Place Value

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

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13. 13.

    What is 9 + 4?

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    How many tens are there in the number 17?

    Formula:Place Value

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

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15. 15.

    Add 79 and 49.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    What is double 22?

    Formula:Doubling

    $d = 2 \times n$

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17. 17.

    How many tens are there in the number 19?

    Formula:Place Value

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

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18. 18.

    What is double 17?

    Formula:Doubling

    $d = 2 \times n$

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19. 19.

    What is half of 28?

    Formula:Halving

    $h = n \div 2$

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20. 20.

    Add 76 and 53.

    Formula:Addition

    $\text{sum} = a + b$

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