Brazil · Ano 2 · Practice Sheet 34

1. 1.

   What is double 10?

   Formula:Doubling

   $d = 2 \times n$

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2. 2.

   Fill in the missing number: 11 + ___ = 19.

   Formula:Missing Addend

   $b = \text{total} - a$

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3. 3.

   Subtract 34 from 49.

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   Fill in the missing number: 8 + ___ = 11.

   Formula:Missing Addend

   $b = \text{total} - a$

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5. 5.

   What is double 6?

   Formula:Doubling

   $d = 2 \times n$

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6. 6.

   Add 20 + 4 + 3.

   Formula:Addition of Three Numbers

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

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7. 7.

   Add 67 and 22.

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   Subtract 31 from 94.

   Formula:Subtraction

   $\text{difference} = a - b$

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9. 9.

   Continue the pattern by counting in 2s: 8, 10, ___

   Formula:Skip Counting

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

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10. 10.

    Add 65 and 37.

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    What is 13 − 2?

    Formula:Subtraction

    $\text{difference} = a - b$

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12. 12.

    There are 4 bags with 8 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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13. 13.

    What is half of 36?

    Formula:Halving

    $h = n \div 2$

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14. 14.

    What is 7 × 10?

    Formula:Multiplication (Times Tables)

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

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15. 15.

    There are 6 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.

    What is half of 4?

    Formula:Halving

    $h = n \div 2$

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17. 17.

    Add 2 + 10 + 20.

    Formula:Addition of Three Numbers

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

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18. 18.

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

    Formula:Skip Counting

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

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19. 19.

    What is double 23?

    Formula:Doubling

    $d = 2 \times n$

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20. 20.

    Add 61 and 21.

    Formula:Addition

    $\text{sum} = a + b$

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