Mongolia · Grade 3 · Practice Sheet 18

1. 1.

   Subtract 78 from 86.

   Formula:Subtraction

   $\text{difference} = a - b$

   View formula →
2. 2.

   What is half of 20?

   Formula:Halving

   $h = n \div 2$

   View formula →
3. 3.

   What is 8 × 8?

   Formula:Multiplication (Times Tables)

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

   View formula →
4. 4.

   You have ₮9 and ₮2. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

   View formula →
5. 5.

   Add 7 + 7 + 15.

   Formula:Addition of Three Numbers

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

   View formula →
6. 6.

   Fill in the missing number: 10 + ___ = 25.

   Formula:Missing Addend

   $b = \text{total} - a$

   View formula →
7. 7.

   There are 4 bags with 6 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.

   21 sweets are shared equally among 3 children. How many does each child get?

   Formula:Division (Equal Sharing)

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

   View formula →
9. 9.

   Fill in the missing number: 13 + ___ = 19.

   Formula:Missing Addend

   $b = \text{total} - a$

   View formula →
10. 10.

    Subtract 35 from 42.

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
11. 11.

    Fill in the missing number: 11 + ___ = 25.

    Formula:Missing Addend

    $b = \text{total} - a$

    View formula →
12. 12.

    There are 4 bags with 6 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 →
13. 13.

    42 sweets are shared equally among 6 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

    View formula →
14. 14.

    You have ₮9 and ₮2. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

    View formula →
15. 15.

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

    Formula:Skip Counting

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

    View formula →
16. 16.

    6 sweets are shared equally among 2 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

    View formula →
17. 17.

    Add 29 and 15.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
18. 18.

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

    Formula:Skip Counting

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

    View formula →
19. 19.

    Add 72 and 25.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
20. 20.

    What is double 21?

    Formula:Doubling

    $d = 2 \times n$

    View formula →

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