Czechia · Grade 3 · Practice Sheet 48

1. 1.

   What is double 6?

   Formula:Doubling

   $d = 2 \times n$

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2. 2.

   You have Kč 6 and Kč 8. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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3. 3.

   Fill in the missing number: 10 + ___ = 12.

   Formula:Missing Addend

   $b = \text{total} - a$

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4. 4.

   What is double 18?

   Formula:Doubling

   $d = 2 \times n$

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5. 5.

   Subtract 38 from 83.

   Formula:Subtraction

   $\text{difference} = a - b$

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6. 6.

   Continue the pattern by counting in 2s: 4, 6, ___

   Formula:Skip Counting

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

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7. 7.

   Fill in the missing number: 13 + ___ = 26.

   Formula:Missing Addend

   $b = \text{total} - a$

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8. 8.

   There are 2 bags with 3 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 14?

   Formula:Halving

   $h = n \div 2$

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10. 10.

    Add 16 + 15 + 6.

    Formula:Addition of Three Numbers

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

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11. 11.

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

    Formula:Skip Counting

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

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12. 12.

    Fill in the missing number: 2 + ___ = 16.

    Formula:Missing Addend

    $b = \text{total} - a$

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13. 13.

    What is 2 × 3?

    Formula:Multiplication (Times Tables)

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

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14. 14.

    Subtract 17 from 82.

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

    What is half of 22?

    Formula:Halving

    $h = n \div 2$

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16. 16.

    What is 8 × 4?

    Formula:Multiplication (Times Tables)

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

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17. 17.

    Subtract 43 from 64.

    Formula:Subtraction

    $\text{difference} = a - b$

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18. 18.

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

    Formula:Adding Money

    $\text{total} = a + b$

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19. 19.

    What is half of 22?

    Formula:Halving

    $h = n \div 2$

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20. 20.

    What is double 19?

    Formula:Doubling

    $d = 2 \times n$

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