Italy · Classe 3 · Practice Sheet 1

1. 1.

   What is 3 × 4?

   Formula:Multiplication (Times Tables)

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

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2. 2.

   There are 4 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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3. 3.

   Add 83 and 6.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   Subtract 9 from 87.

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   Add 12 + 6 + 4.

   Formula:Addition of Three Numbers

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

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6. 6.

   Continue the pattern by counting in 5s: 10, 15, ___

   Formula:Skip Counting

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

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7. 7.

   Add 12 + 17 + 18.

   Formula:Addition of Three Numbers

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

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8. 8.

   How many tens are there in the number 92?

   Formula:Place Value

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

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9. 9.

   Subtract 32 from 44.

   Formula:Subtraction

   $\text{difference} = a - b$

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10. 10.

    Add 19 + 19 + 7.

    Formula:Addition of Three Numbers

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

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11. 11.

    How many tens are there in the number 23?

    Formula:Place Value

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

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12. 12.

    Add 2 + 5 + 16.

    Formula:Addition of Three Numbers

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

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13. 13.

    How many tens are there in the number 86?

    Formula:Place Value

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

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14. 14.

    Subtract 45 from 85.

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

    Add 64 and 11.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    What is double 8?

    Formula:Doubling

    $d = 2 \times n$

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17. 17.

    Continue the pattern by counting in 5s: 0, 5, ___

    Formula:Skip Counting

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

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18. 18.

    What is half of 14?

    Formula:Halving

    $h = n \div 2$

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19. 19.

    Add 28 and 8.

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    Subtract 21 from 34.

    Formula:Subtraction

    $\text{difference} = a - b$

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