Mexico · Grado 3 · Practice Sheet 20

1. 1.

   Subtract 42 from 90.

   Formula:Subtraction

   $\text{difference} = a - b$

   View formula →
2. 2.

   10 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 →
3. 3.

   There are 4 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 →
4. 4.

   Continue the pattern by counting in 2s: 0, 2, ___

   Formula:Skip Counting

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

   View formula →
5. 5.

   You have $3 and $6. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

   View formula →
6. 6.

   How many tens are there in the number 71?

   Formula:Place Value

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

   View formula →
7. 7.

   Add 15 + 16 + 13.

   Formula:Addition of Three Numbers

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

   View formula →
8. 8.

   What is 3 × 4?

   Formula:Multiplication (Times Tables)

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

   View formula →
9. 9.

   How many tens are there in the number 13?

   Formula:Place Value

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

   View formula →
10. 10.

    Add 2 + 5 + 15.

    Formula:Addition of Three Numbers

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

    View formula →
11. 11.

    Fill in the missing number: 9 + ___ = 18.

    Formula:Missing Addend

    $b = \text{total} - a$

    View formula →
12. 12.

    Subtract 13 from 34.

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
13. 13.

    Add 13 + 11 + 4.

    Formula:Addition of Three Numbers

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

    View formula →
14. 14.

    25 sweets are shared equally among 5 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

    View formula →
15. 15.

    Subtract 24 from 63.

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
16. 16.

    Add 53 and 12.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
17. 17.

    What is half of 26?

    Formula:Halving

    $h = n \div 2$

    View formula →
18. 18.

    Add 72 and 10.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
19. 19.

    Subtract 39 from 75.

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
20. 20.

    Add 29 and 39.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →

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