Russia · Grade 2 · Practice Sheet 13

1. 1.

   Fill in the missing number: 12 + ___ = 27.

   Formula:Missing Addend

   $b = \text{total} - a$

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2. 2.

   What is 1 + 1?

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   What is 6 − 4?

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   What is double 19?

   Formula:Doubling

   $d = 2 \times n$

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5. 5.

   Add 13 + 14 + 3.

   Formula:Addition of Three Numbers

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

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6. 6.

   What is 9 + 7?

   Formula:Addition

   $\text{sum} = a + b$

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7. 7.

   What is half of 38?

   Formula:Halving

   $h = n \div 2$

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8. 8.

   You have ₽4 and ₽9. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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9. 9.

   What is 5 + 8?

   Formula:Addition

   $\text{sum} = a + b$

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10. 10.

    Add 42 and 44.

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    Fill in the missing number: 10 + ___ = 24.

    Formula:Missing Addend

    $b = \text{total} - a$

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12. 12.

    Add 7 + 3 + 19.

    Formula:Addition of Three Numbers

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

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13. 13.

    What is double 7?

    Formula:Doubling

    $d = 2 \times n$

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14. 14.

    What is half of 30?

    Formula:Halving

    $h = n \div 2$

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15. 15.

    Add 14 + 2 + 16.

    Formula:Addition of Three Numbers

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

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16. 16.

    Fill in the missing number: 14 + ___ = 17.

    Formula:Missing Addend

    $b = \text{total} - a$

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17. 17.

    What is 9 − 2?

    Formula:Subtraction

    $\text{difference} = a - b$

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18. 18.

    How many tens are there in the number 42?

    Formula:Place Value

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

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19. 19.

    Subtract 10 from 31.

    Formula:Subtraction

    $\text{difference} = a - b$

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20. 20.

    How many tens are there in the number 20?

    Formula:Place Value

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

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