South Africa · Grade 2 · Practice Sheet 20

1. 1.

   Add 15 + 14 + 3.

   Formula:Addition of Three Numbers

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

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2. 2.

   Subtract 7 from 65.

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   How many tens are there in the number 86?

   Formula:Place Value

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

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4. 4.

   Fill in the missing number: 6 + ___ = 17.

   Formula:Missing Addend

   $b = \text{total} - a$

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5. 5.

   What is double 23?

   Formula:Doubling

   $d = 2 \times n$

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6. 6.

   Add 20 + 4 + 8.

   Formula:Addition of Three Numbers

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

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7. 7.

   What is 4 × 10?

   Formula:Multiplication (Times Tables)

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

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8. 8.

   What is half of 30?

   Formula:Halving

   $h = n \div 2$

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9. 9.

   What is 9 × 3?

   Formula:Multiplication (Times Tables)

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

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10. 10.

    Add 36 and 8.

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    Fill in the missing number: 13 + ___ = 23.

    Formula:Missing Addend

    $b = \text{total} - a$

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12. 12.

    What is half of 22?

    Formula:Halving

    $h = n \div 2$

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13. 13.

    What is 1 + 7?

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

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

    Formula:Skip Counting

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

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15. 15.

    What is 9 × 6?

    Formula:Multiplication (Times Tables)

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

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16. 16.

    Add 5 + 11 + 3.

    Formula:Addition of Three Numbers

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

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17. 17.

    What is half of 24?

    Formula:Halving

    $h = n \div 2$

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18. 18.

    Add 18 + 12 + 5.

    Formula:Addition of Three Numbers

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

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19. 19.

    Add 32 and 46.

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    Fill in the missing number: 6 + ___ = 19.

    Formula:Missing Addend

    $b = \text{total} - a$

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