Sri Lanka · Grade 3 · Practice Sheet 41

1. 1.

   Fill in the missing number: 12 + ___ = 25.

   Formula:Missing Addend

   $b = \text{total} - a$

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2. 2.

   What is double 5?

   Formula:Doubling

   $d = 2 \times n$

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3. 3.

   What is half of 48?

   Formula:Halving

   $h = n \div 2$

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4. 4.

   What is double 19?

   Formula:Doubling

   $d = 2 \times n$

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5. 5.

   Add 53 and 32.

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   Fill in the missing number: 13 + ___ = 25.

   Formula:Missing Addend

   $b = \text{total} - a$

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7. 7.

   What is half of 46?

   Formula:Halving

   $h = n \div 2$

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8. 8.

   You have Rs 3 and Rs 5. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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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 33 and 21.

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    How many tens are there in the number 93?

    Formula:Place Value

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

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12. 12.

    Add 17 + 9 + 20.

    Formula:Addition of Three Numbers

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

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13. 13.

    What is double 25?

    Formula:Doubling

    $d = 2 \times n$

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14. 14.

    Continue the pattern by counting in 10s: 0, 10, ___

    Formula:Skip Counting

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

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15. 15.

    Add 87 and 6.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    Continue the pattern by counting in 2s: 4, 6, ___

    Formula:Skip Counting

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

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17. 17.

    Add 20 + 13 + 11.

    Formula:Addition of Three Numbers

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

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18. 18.

    What is 3 × 10?

    Formula:Multiplication (Times Tables)

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

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19. 19.

    How many tens are there in the number 25?

    Formula:Place Value

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

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20. 20.

    What is 2 × 7?

    Formula:Multiplication (Times Tables)

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

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