Argentina · Grado 2 · Practice Sheet 9

1. 1.

   Subtract 11 from 38.

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

   Add 82 and 23.

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   What is double 14?

   Formula:Doubling

   $d = 2 \times n$

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4. 4.

   What is half of 40?

   Formula:Halving

   $h = n \div 2$

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5. 5.

   Add 7 + 7 + 10.

   Formula:Addition of Three Numbers

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

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6. 6.

   Fill in the missing number: 5 + ___ = 10.

   Formula:Missing Addend

   $b = \text{total} - a$

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7. 7.

   What is half of 16?

   Formula:Halving

   $h = n \div 2$

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8. 8.

   What is 4 + 8?

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

   What is half of 46?

   Formula:Halving

   $h = n \div 2$

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10. 10.

    Add 31 and 47.

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    What is 9 − 5?

    Formula:Subtraction

    $\text{difference} = a - b$

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12. 12.

    What is double 14?

    Formula:Doubling

    $d = 2 \times n$

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13. 13.

    What is 4 + 9?

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    How many tens are there in the number 24?

    Formula:Place Value

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

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15. 15.

    Add 9 + 3 + 14.

    Formula:Addition of Three Numbers

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

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16. 16.

    Subtract 36 from 59.

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    What is 11 − 10?

    Formula:Subtraction

    $\text{difference} = a - b$

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18. 18.

    What is double 17?

    Formula:Doubling

    $d = 2 \times n$

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19. 19.

    What is 10 × 3?

    Formula:Multiplication (Times Tables)

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

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20. 20.

    Continue the pattern by counting in 3s: 12, 15, ___

    Formula:Skip Counting

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

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