Lebanon · Grade 3 · Practice Sheet 17

1. 1.

   How many tens are there in the number 21?

   Formula:Place Value

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

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2. 2.

   Add 14 and 42.

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   There are 6 bags with 7 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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4. 4.

   9 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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5. 5.

   You have LL 1 and LL 6. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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6. 6.

   What is 4 × 4?

   Formula:Multiplication (Times Tables)

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

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7. 7.

   There are 5 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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8. 8.

   Add 20 + 2 + 5.

   Formula:Addition of Three Numbers

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

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9. 9.

   Add 33 and 42.

   Formula:Addition

   $\text{sum} = a + b$

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10. 10.

    Fill in the missing number: 10 + ___ = 23.

    Formula:Missing Addend

    $b = \text{total} - a$

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11. 11.

    Add 2 + 16 + 7.

    Formula:Addition of Three Numbers

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

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12. 12.

    You have LL 7 and LL 1. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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13. 13.

    Add 15 + 9 + 7.

    Formula:Addition of Three Numbers

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

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14. 14.

    Add 59 and 24.

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    Subtract 86 from 95.

    Formula:Subtraction

    $\text{difference} = a - b$

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16. 16.

    What is 5 × 3?

    Formula:Multiplication (Times Tables)

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

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17. 17.

    Subtract 43 from 52.

    Formula:Subtraction

    $\text{difference} = a - b$

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18. 18.

    Continue the pattern by counting in 3s: 6, 9, ___

    Formula:Skip Counting

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

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19. 19.

    What is 2 × 8?

    Formula:Multiplication (Times Tables)

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

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20. 20.

    Subtract 22 from 99.

    Formula:Subtraction

    $\text{difference} = a - b$

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