Mongolia · Grade 2 · Practice Sheet 40

1. 1.

   What is 16 − 8?

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

   How many tens are there in the number 81?

   Formula:Place Value

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

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3. 3.

   What is 12 − 1?

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   Subtract 22 from 40.

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   Add 22 and 46.

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   You have ₮8 and ₮1. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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7. 7.

   What is half of 40?

   Formula:Halving

   $h = n \div 2$

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8. 8.

   Add 81 and 18.

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

   Continue the pattern by counting in 5s: 10, 15, ___

   Formula:Skip Counting

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

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10. 10.

    There are 5 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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11. 11.

    Continue the pattern by counting in 3s: 9, 12, ___

    Formula:Skip Counting

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

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12. 12.

    What is double 2?

    Formula:Doubling

    $d = 2 \times n$

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13. 13.

    You have ₮6 and ₮4. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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14. 14.

    What is half of 14?

    Formula:Halving

    $h = n \div 2$

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15. 15.

    Add 69 and 38.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    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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17. 17.

    What is double 4?

    Formula:Doubling

    $d = 2 \times n$

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18. 18.

    What is 1 + 6?

    Formula:Addition

    $\text{sum} = a + b$

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19. 19.

    Add 76 and 42.

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    What is half of 8?

    Formula:Halving

    $h = n \div 2$

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