Peru · Grado 3 · Practice Sheet 43

1. 1.

   There are 5 bags with 2 apples in each bag. How many apples are there in total?

   Formula:Multiplication as Repeated Addition

   $\text{total} = \text{groups} \times \text{size}$

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2. 2.

   Fill in the missing number: 14 + ___ = 24.

   Formula:Missing Addend

   $b = \text{total} - a$

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3. 3.

   How many tens are there in the number 27?

   Formula:Place Value

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

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4. 4.

   Continue the pattern by counting in 10s: 10, 20, ___

   Formula:Skip Counting

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

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5. 5.

   How many tens are there in the number 15?

   Formula:Place Value

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

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6. 6.

   What is half of 22?

   Formula:Halving

   $h = n \div 2$

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7. 7.

   What is 5 × 8?

   Formula:Multiplication (Times Tables)

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

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8. 8.

   What is half of 26?

   Formula:Halving

   $h = n \div 2$

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9. 9.

   Continue the pattern by counting in 3s: 9, 12, ___

   Formula:Skip Counting

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

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10. 10.

    What is half of 48?

    Formula:Halving

    $h = n \div 2$

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11. 11.

    Add 12 + 4 + 9.

    Formula:Addition of Three Numbers

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

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12. 12.

    Continue the pattern by counting in 10s: 20, 30, ___

    Formula:Skip Counting

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

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13. 13.

    What is double 12?

    Formula:Doubling

    $d = 2 \times n$

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14. 14.

    What is half of 12?

    Formula:Halving

    $h = n \div 2$

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15. 15.

    Add 16 + 11 + 16.

    Formula:Addition of Three Numbers

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

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16. 16.

    Fill in the missing number: 6 + ___ = 18.

    Formula:Missing Addend

    $b = \text{total} - a$

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17. 17.

    Add 11 + 20 + 2.

    Formula:Addition of Three Numbers

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

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18. 18.

    How many tens are there in the number 57?

    Formula:Place Value

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

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19. 19.

    There are 4 bags with 2 apples in each bag. How many apples are there in total?

    Formula:Multiplication as Repeated Addition

    $\text{total} = \text{groups} \times \text{size}$

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20. 20.

    What is half of 20?

    Formula:Halving

    $h = n \div 2$

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