Russia · Grade 3 · Practice Sheet 43

1. 1.

   How many tens are there in the number 74?

   Formula:Place Value

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

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2. 2.

   Add 23 and 6.

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   There are 3 bags with 8 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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4. 4.

   Add 24 and 39.

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

   Subtract 35 from 98.

   Formula:Subtraction

   $\text{difference} = a - b$

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6. 6.

   Add 12 and 33.

   Formula:Addition

   $\text{sum} = a + b$

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7. 7.

   Fill in the missing number: 6 + ___ = 10.

   Formula:Missing Addend

   $b = \text{total} - a$

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8. 8.

   Add 6 + 13 + 8.

   Formula:Addition of Three Numbers

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

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9. 9.

   You have ₽4 and ₽3. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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10. 10.

    Fill in the missing number: 8 + ___ = 12.

    Formula:Missing Addend

    $b = \text{total} - a$

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11. 11.

    There are 5 bags with 8 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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12. 12.

    Add 16 and 30.

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    You have ₽6 and ₽9. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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14. 14.

    How many tens are there in the number 57?

    Formula:Place Value

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

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15. 15.

    Subtract 22 from 35.

    Formula:Subtraction

    $\text{difference} = a - b$

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16. 16.

    What is half of 40?

    Formula:Halving

    $h = n \div 2$

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17. 17.

    Fill in the missing number: 14 + ___ = 20.

    Formula:Missing Addend

    $b = \text{total} - a$

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18. 18.

    What is half of 8?

    Formula:Halving

    $h = n \div 2$

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19. 19.

    How many tens are there in the number 79?

    Formula:Place Value

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

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20. 20.

    What is half of 14?

    Formula:Halving

    $h = n \div 2$

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