Philippines · Grade 3 · Practice Sheet 17

1. 1.

   How many tens are there in the number 82?

   Formula:Place Value

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

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2. 2.

   There are 2 bags with 2 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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3. 3.

   Add 60 and 59.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   Subtract 63 from 78.

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   Fill in the missing number: 2 + ___ = 4.

   Formula:Missing Addend

   $b = \text{total} - a$

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6. 6.

   Subtract 49 from 84.

   Formula:Subtraction

   $\text{difference} = a - b$

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7. 7.

   Fill in the missing number: 11 + ___ = 15.

   Formula:Missing Addend

   $b = \text{total} - a$

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8. 8.

   Subtract 6 from 43.

   Formula:Subtraction

   $\text{difference} = a - b$

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9. 9.

   Continue the pattern by counting in 3s: 0, 3, ___

   Formula:Skip Counting

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

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10. 10.

    How many tens are there in the number 30?

    Formula:Place Value

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

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11. 11.

    What is half of 24?

    Formula:Halving

    $h = n \div 2$

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12. 12.

    There are 3 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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13. 13.

    How many tens are there in the number 32?

    Formula:Place Value

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

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14. 14.

    What is double 5?

    Formula:Doubling

    $d = 2 \times n$

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15. 15.

    Add 72 and 33.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    What is 9 × 9?

    Formula:Multiplication (Times Tables)

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

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17. 17.

    What is double 21?

    Formula:Doubling

    $d = 2 \times n$

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18. 18.

    Add 50 and 8.

    Formula:Addition

    $\text{sum} = a + b$

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19. 19.

    How many tens are there in the number 25?

    Formula:Place Value

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

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20. 20.

    Fill in the missing number: 5 + ___ = 7.

    Formula:Missing Addend

    $b = \text{total} - a$

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