Iraq · Grade 2 · Practice Sheet 1

1. 1.

   How many tens are there in the number 64?

   Formula:Place Value

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

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2. 2.

   Add 15 + 11 + 7.

   Formula:Addition of Three Numbers

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

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3. 3.

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

   Formula:Skip Counting

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

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4. 4.

   Fill in the missing number: 8 + ___ = 23.

   Formula:Missing Addend

   $b = \text{total} - a$

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5. 5.

   What is double 25?

   Formula:Doubling

   $d = 2 \times n$

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6. 6.

   Subtract 5 from 32.

   Formula:Subtraction

   $\text{difference} = a - b$

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7. 7.

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

   Formula:Skip Counting

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

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8. 8.

   What is 9 + 6?

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

   What is half of 36?

   Formula:Halving

   $h = n \div 2$

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10. 10.

    What is 18 − 16?

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    Subtract 17 from 44.

    Formula:Subtraction

    $\text{difference} = a - b$

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12. 12.

    Add 15 + 2 + 2.

    Formula:Addition of Three Numbers

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

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13. 13.

    What is 7 + 5?

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    What is double 10?

    Formula:Doubling

    $d = 2 \times n$

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15. 15.

    What is half of 20?

    Formula:Halving

    $h = n \div 2$

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16. 16.

    What is 4 × 8?

    Formula:Multiplication (Times Tables)

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

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17. 17.

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

    Formula:Skip Counting

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

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18. 18.

    What is 2 × 5?

    Formula:Multiplication (Times Tables)

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

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19. 19.

    What is 7 − 6?

    Formula:Subtraction

    $\text{difference} = a - b$

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20. 20.

    Fill in the missing number: 7 + ___ = 10.

    Formula:Missing Addend

    $b = \text{total} - a$

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