Romania · Grade 3 · Practice Sheet 38

1. 1.

   What is half of 32?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   Fill in the missing number: 15 + ___ = 25.

   Formula:Missing Addend

   $b = \text{total} - a$

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3. 3.

   What is double 23?

   Formula:Doubling

   $d = 2 \times n$

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4. 4.

   You have lei 7 and lei 8. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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5. 5.

   Add 14 + 6 + 19.

   Formula:Addition of Three Numbers

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

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6. 6.

   What is half of 42?

   Formula:Halving

   $h = n \div 2$

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7. 7.

   Add 15 + 6 + 17.

   Formula:Addition of Three Numbers

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

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8. 8.

   Add 12 and 59.

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

   What is 3 × 3?

   Formula:Multiplication (Times Tables)

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

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10. 10.

    What is double 23?

    Formula:Doubling

    $d = 2 \times n$

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11. 11.

    How many tens are there in the number 96?

    Formula:Place Value

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

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12. 12.

    You have lei 5 and lei 6. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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13. 13.

    What is double 5?

    Formula:Doubling

    $d = 2 \times n$

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14. 14.

    What is 9 × 4?

    Formula:Multiplication (Times Tables)

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

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15. 15.

    Subtract 15 from 52.

    Formula:Subtraction

    $\text{difference} = a - b$

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16. 16.

    Fill in the missing number: 9 + ___ = 16.

    Formula:Missing Addend

    $b = \text{total} - a$

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17. 17.

    Subtract 22 from 55.

    Formula:Subtraction

    $\text{difference} = a - b$

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18. 18.

    How many tens are there in the number 25?

    Formula:Place Value

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

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19. 19.

    Add 46 and 36.

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    Fill in the missing number: 2 + ___ = 7.

    Formula:Missing Addend

    $b = \text{total} - a$

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