Russia · Grade 3 · Practice Sheet 36

1. 1.

   Add 89 and 58.

   Formula:Addition

   $\text{sum} = a + b$

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2. 2.

   Subtract 61 from 94.

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   Fill in the missing number: 11 + ___ = 18.

   Formula:Missing Addend

   $b = \text{total} - a$

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4. 4.

   Subtract 37 from 96.

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   Add 17 + 6 + 6.

   Formula:Addition of Three Numbers

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

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6. 6.

   What is double 6?

   Formula:Doubling

   $d = 2 \times n$

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7. 7.

   Fill in the missing number: 7 + ___ = 14.

   Formula:Missing Addend

   $b = \text{total} - a$

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8. 8.

   Subtract 19 from 69.

   Formula:Subtraction

   $\text{difference} = a - b$

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9. 9.

   Add 18 + 14 + 20.

   Formula:Addition of Three Numbers

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

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10. 10.

    What is double 13?

    Formula:Doubling

    $d = 2 \times n$

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11. 11.

    What is half of 26?

    Formula:Halving

    $h = n \div 2$

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12. 12.

    Continue the pattern by counting in 10s: 0, 10, ___

    Formula:Skip Counting

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

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13. 13.

    What is 7 × 10?

    Formula:Multiplication (Times Tables)

    $\text{product} = a \times b$

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14. 14.

    Add 61 and 23.

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    What is double 12?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    How many tens are there in the number 37?

    Formula:Place Value

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

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17. 17.

    There are 4 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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18. 18.

    What is half of 38?

    Formula:Halving

    $h = n \div 2$

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19. 19.

    What is 7 × 10?

    Formula:Multiplication (Times Tables)

    $\text{product} = a \times b$

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20. 20.

    What is double 21?

    Formula:Doubling

    $d = 2 \times n$

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