Mongolia · Grade 2 · Practice Sheet 17

1. 1.

   Fill in the missing number: 2 + ___ = 14.

   Formula:Missing Addend

   $b = \text{total} - a$

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2. 2.

   Subtract 30 from 43.

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   What is 12 − 4?

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   What is 3 + 6?

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

   Fill in the missing number: 12 + ___ = 14.

   Formula:Missing Addend

   $b = \text{total} - a$

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6. 6.

   What is half of 20?

   Formula:Halving

   $h = n \div 2$

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7. 7.

   Subtract 12 from 67.

   Formula:Subtraction

   $\text{difference} = a - b$

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8. 8.

   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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9. 9.

   Add 68 and 27.

   Formula:Addition

   $\text{sum} = a + b$

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10. 10.

    What is half of 50?

    Formula:Halving

    $h = n \div 2$

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11. 11.

    What is 11 − 2?

    Formula:Subtraction

    $\text{difference} = a - b$

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12. 12.

    Subtract 62 from 73.

    Formula:Subtraction

    $\text{difference} = a - b$

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13. 13.

    What is 5 + 9?

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    Fill in the missing number: 3 + ___ = 13.

    Formula:Missing Addend

    $b = \text{total} - a$

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15. 15.

    There are 4 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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16. 16.

    What is half of 4?

    Formula:Halving

    $h = n \div 2$

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17. 17.

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

    Formula:Skip Counting

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

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18. 18.

    What is double 9?

    Formula:Doubling

    $d = 2 \times n$

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19. 19.

    Add 64 and 30.

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

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

    Formula:Adding Money

    $\text{total} = a + b$

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