China · Grade 3 · Practice Sheet 35

1. 1.

   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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2. 2.

   How many tens are there in the number 58?

   Formula:Place Value

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

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3. 3.

   What is 8 × 10?

   Formula:Multiplication (Times Tables)

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

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4. 4.

   What is half of 28?

   Formula:Halving

   $h = n \div 2$

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5. 5.

   What is double 18?

   Formula:Doubling

   $d = 2 \times n$

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6. 6.

   How many tens are there in the number 22?

   Formula:Place Value

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

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7. 7.

   What is double 14?

   Formula:Doubling

   $d = 2 \times n$

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8. 8.

   There are 4 bags with 5 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.

   What is half of 18?

   Formula:Halving

   $h = n \div 2$

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10. 10.

    What is double 22?

    Formula:Doubling

    $d = 2 \times n$

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11. 11.

    Add 14 + 4 + 18.

    Formula:Addition of Three Numbers

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

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12. 12.

    How many tens are there in the number 30?

    Formula:Place Value

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

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13. 13.

    Subtract 53 from 74.

    Formula:Subtraction

    $\text{difference} = a - b$

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14. 14.

    Fill in the missing number: 12 + ___ = 17.

    Formula:Missing Addend

    $b = \text{total} - a$

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15. 15.

    Add 14 + 13 + 3.

    Formula:Addition of Three Numbers

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

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16. 16.

    How many tens are there in the number 73?

    Formula:Place Value

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

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17. 17.

    Add 70 and 11.

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    Add 20 + 16 + 9.

    Formula:Addition of Three Numbers

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

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19. 19.

    What is double 23?

    Formula:Doubling

    $d = 2 \times n$

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20. 20.

    Add 8 + 19 + 4.

    Formula:Addition of Three Numbers

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

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