Vietnam · Grade 2 · Practice Sheet 23

1. 1.

   Continue the pattern by counting in 2s: 6, 8, ___

   Formula:Skip Counting

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

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2. 2.

   Subtract 31 from 88.

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   What is half of 10?

   Formula:Halving

   $h = n \div 2$

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4. 4.

   Subtract 37 from 46.

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   How many tens are there in the number 94?

   Formula:Place Value

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

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6. 6.

   You have VND 3 and VND 1. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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7. 7.

   What is 8 − 5?

   Formula:Subtraction

   $\text{difference} = a - b$

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8. 8.

   You have VND 8 and VND 8. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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9. 9.

   Subtract 17 from 59.

   Formula:Subtraction

   $\text{difference} = a - b$

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10. 10.

    What is half of 12?

    Formula:Halving

    $h = n \div 2$

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11. 11.

    How many tens are there in the number 37?

    Formula:Place Value

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

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12. 12.

    There are 5 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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13. 13.

    What is 8 + 2?

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    What is 12 − 4?

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

    What is half of 10?

    Formula:Halving

    $h = n \div 2$

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16. 16.

    Subtract 5 from 33.

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    Add 42 and 38.

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    How many tens are there in the number 50?

    Formula:Place Value

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

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19. 19.

    What is half of 30?

    Formula:Halving

    $h = n \div 2$

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20. 20.

    What is double 10?

    Formula:Doubling

    $d = 2 \times n$

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