Colombia · Grado 3 · Practice Sheet 5

1. 1.

   You have $8 and $1. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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2. 2.

   How many tens are there in the number 94?

   Formula:Place Value

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

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3. 3.

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

   Formula:Skip Counting

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

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4. 4.

   You have $6 and $2. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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5. 5.

   Subtract 81 from 98.

   Formula:Subtraction

   $\text{difference} = a - b$

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6. 6.

   Add 14 + 5 + 15.

   Formula:Addition of Three Numbers

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

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7. 7.

   Add 34 and 23.

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   18 sweets are shared equally among 6 children. How many does each child get?

   Formula:Division (Equal Sharing)

   $\text{each} = \text{total} \div \text{groups}$

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9. 9.

   Add 13 + 19 + 14.

   Formula:Addition of Three Numbers

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

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10. 10.

    Continue the pattern by counting in 5s: 20, 25, ___

    Formula:Skip Counting

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

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11. 11.

    Add 19 + 17 + 15.

    Formula:Addition of Three Numbers

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

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12. 12.

    What is half of 50?

    Formula:Halving

    $h = n \div 2$

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13. 13.

    There are 5 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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14. 14.

    36 sweets are shared equally among 6 children. How many does each child get?

    Formula:Division (Equal Sharing)

    $\text{each} = \text{total} \div \text{groups}$

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15. 15.

    Fill in the missing number: 3 + ___ = 14.

    Formula:Missing Addend

    $b = \text{total} - a$

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16. 16.

    There are 2 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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17. 17.

    Add 6 + 3 + 18.

    Formula:Addition of Three Numbers

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

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18. 18.

    21 sweets are shared equally among 3 children. How many does each child get?

    Formula:Division (Equal Sharing)

    $\text{each} = \text{total} \div \text{groups}$

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19. 19.

    Subtract 15 from 37.

    Formula:Subtraction

    $\text{difference} = a - b$

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20. 20.

    How many tens are there in the number 22?

    Formula:Place Value

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

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