China · Grade 3 · Practice Sheet 42

1. 1.

   Add 16 + 10 + 18.

   Formula:Addition of Three Numbers

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

   View formula →
2. 2.

   What is double 20?

   Formula:Doubling

   $d = 2 \times n$

   View formula →
3. 3.

   What is 9 × 5?

   Formula:Multiplication (Times Tables)

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

   View formula →
4. 4.

   Subtract 18 from 67.

   Formula:Subtraction

   $\text{difference} = a - b$

   View formula →
5. 5.

   Fill in the missing number: 11 + ___ = 18.

   Formula:Missing Addend

   $b = \text{total} - a$

   View formula →
6. 6.

   Continue the pattern by counting in 10s: 40, 50, ___

   Formula:Skip Counting

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

   View formula →
7. 7.

   There are 6 bags with 3 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 →
8. 8.

   You have ¥5 and ¥4. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

   View formula →
9. 9.

   There are 5 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 →
10. 10.

    Fill in the missing number: 10 + ___ = 23.

    Formula:Missing Addend

    $b = \text{total} - a$

    View formula →
11. 11.

    Add 15 + 12 + 19.

    Formula:Addition of Three Numbers

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

    View formula →
12. 12.

    Add 44 and 34.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
13. 13.

    What is double 21?

    Formula:Doubling

    $d = 2 \times n$

    View formula →
14. 14.

    You have ¥7 and ¥1. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

    View formula →
15. 15.

    There are 2 bags with 3 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 →
16. 16.

    20 sweets are shared equally among 4 children. How many does each child get?

    Formula:Division (Equal Sharing)

    $\text{each} = \text{total} \div \text{groups}$

    View formula →
17. 17.

    How many tens are there in the number 42?

    Formula:Place Value

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

    View formula →
18. 18.

    Continue the pattern by counting in 5s: 5, 10, ___

    Formula:Skip Counting

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

    View formula →
19. 19.

    Add 13 + 10 + 19.

    Formula:Addition of Three Numbers

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

    View formula →
20. 20.

    What is double 3?

    Formula:Doubling

    $d = 2 \times n$

    View formula →

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