Singapore · Grade 2 · Practice Sheet 21

1. 1.

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

   Formula:Skip Counting

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

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2. 2.

   What is 8 + 5?

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   Add 20 and 52.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   What is 7 − 1?

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   Subtract 45 from 80.

   Formula:Subtraction

   $\text{difference} = a - b$

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6. 6.

   Fill in the missing number: 9 + ___ = 12.

   Formula:Missing Addend

   $b = \text{total} - a$

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7. 7.

   What is 11 − 2?

   Formula:Subtraction

   $\text{difference} = a - b$

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8. 8.

   What is 5 × 4?

   Formula:Multiplication (Times Tables)

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

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9. 9.

   Add 13 + 2 + 9.

   Formula:Addition of Three Numbers

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

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10. 10.

    Add 19 and 39.

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    Add 18 + 2 + 5.

    Formula:Addition of Three Numbers

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

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12. 12.

    What is half of 6?

    Formula:Halving

    $h = n \div 2$

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13. 13.

    What is 6 × 10?

    Formula:Multiplication (Times Tables)

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

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14. 14.

    How many tens are there in the number 80?

    Formula:Place Value

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

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15. 15.

    Add 75 and 38.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    What is 2 + 7?

    Formula:Addition

    $\text{sum} = a + b$

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17. 17.

    Add 77 and 43.

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    What is half of 14?

    Formula:Halving

    $h = n \div 2$

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19. 19.

    What is 8 + 5?

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    Add 89 and 48.

    Formula:Addition

    $\text{sum} = a + b$

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