Taiwan · Grade 3 · Practice Sheet 38

1. 1.

   Add 13 + 14 + 10.

   Formula:Addition of Three Numbers

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

   View formula →
2. 2.

   There are 6 bags with 8 apples in each bag. How many apples are there in total?

   Formula:Multiplication as Repeated Addition

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

   View formula →
3. 3.

   Add 17 + 17 + 10.

   Formula:Addition of Three Numbers

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

   View formula →
4. 4.

   Continue the pattern by counting in 5s: 15, 20, ___

   Formula:Skip Counting

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

   View formula →
5. 5.

   What is 6 × 7?

   Formula:Multiplication (Times Tables)

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

   View formula →
6. 6.

   There are 3 bags with 8 apples in each bag. How many apples are there in total?

   Formula:Multiplication as Repeated Addition

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

   View formula →
7. 7.

   Add 14 + 8 + 19.

   Formula:Addition of Three Numbers

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

   View formula →
8. 8.

   What is 6 × 3?

   Formula:Multiplication (Times Tables)

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

   View formula →
9. 9.

   Continue the pattern by counting in 3s: 0, 3, ___

   Formula:Skip Counting

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

   View formula →
10. 10.

    Add 11 + 13 + 10.

    Formula:Addition of Three Numbers

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

    View formula →
11. 11.

    What is double 14?

    Formula:Doubling

    $d = 2 \times n$

    View formula →
12. 12.

    Add 50 and 7.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
13. 13.

    Subtract 33 from 81.

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
14. 14.

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

    Formula:Missing Addend

    $b = \text{total} - a$

    View formula →
15. 15.

    How many tens are there in the number 52?

    Formula:Place Value

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

    View formula →
16. 16.

    Subtract 72 from 79.

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
17. 17.

    Continue the pattern by counting in 3s: 0, 3, ___

    Formula:Skip Counting

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

    View formula →
18. 18.

    What is double 18?

    Formula:Doubling

    $d = 2 \times n$

    View formula →
19. 19.

    What is half of 40?

    Formula:Halving

    $h = n \div 2$

    View formula →
20. 20.

    What is double 17?

    Formula:Doubling

    $d = 2 \times n$

    View formula →

© FormulaWon — formulawon.app · Answers & step-by-step working available on the solutions sheet.