Mexico · Grado 3 · Practice Sheet 34

1. 1.

   What is half of 8?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   You have $4 and $6. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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3. 3.

   Continue the pattern by counting in 10s: 30, 40, ___

   Formula:Skip Counting

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

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4. 4.

   How many tens are there in the number 91?

   Formula:Place Value

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

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5. 5.

   Subtract 31 from 87.

   Formula:Subtraction

   $\text{difference} = a - b$

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6. 6.

   Add 39 and 57.

   Formula:Addition

   $\text{sum} = a + b$

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7. 7.

   Add 6 + 17 + 16.

   Formula:Addition of Three Numbers

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

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8. 8.

   Continue the pattern by counting in 3s: 9, 12, ___

   Formula:Skip Counting

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

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9. 9.

   Add 52 and 14.

   Formula:Addition

   $\text{sum} = a + b$

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10. 10.

    What is double 14?

    Formula:Doubling

    $d = 2 \times n$

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11. 11.

    Subtract 7 from 34.

    Formula:Subtraction

    $\text{difference} = a - b$

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12. 12.

    What is half of 24?

    Formula:Halving

    $h = n \div 2$

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13. 13.

    Add 7 + 4 + 7.

    Formula:Addition of Three Numbers

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

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14. 14.

    What is half of 14?

    Formula:Halving

    $h = n \div 2$

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15. 15.

    There are 4 bags with 4 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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16. 16.

    How many tens are there in the number 20?

    Formula:Place Value

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

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17. 17.

    Add 4 + 18 + 20.

    Formula:Addition of Three Numbers

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

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18. 18.

    Subtract 22 from 57.

    Formula:Subtraction

    $\text{difference} = a - b$

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19. 19.

    Fill in the missing number: 2 + ___ = 6.

    Formula:Missing Addend

    $b = \text{total} - a$

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20. 20.

    Continue the pattern by counting in 2s: 0, 2, ___

    Formula:Skip Counting

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

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