Ecuador · Grado 3 · Practice Sheet 7

1. 1.

   How many tens are there in the number 64?

   Formula:Place Value

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

   View formula →
2. 2.

   Fill in the missing number: 8 + ___ = 17.

   Formula:Missing Addend

   $b = \text{total} - a$

   View formula →
3. 3.

   What is double 3?

   Formula:Doubling

   $d = 2 \times n$

   View formula →
4. 4.

   What is 4 × 2?

   Formula:Multiplication (Times Tables)

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

   View formula →
5. 5.

   Fill in the missing number: 7 + ___ = 17.

   Formula:Missing Addend

   $b = \text{total} - a$

   View formula →
6. 6.

   What is half of 32?

   Formula:Halving

   $h = n \div 2$

   View formula →
7. 7.

   18 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 →
8. 8.

   What is 9 × 9?

   Formula:Multiplication (Times Tables)

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

   View formula →
9. 9.

   You have $3 and $4. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

   View formula →
10. 10.

    Fill in the missing number: 2 + ___ = 6.

    Formula:Missing Addend

    $b = \text{total} - a$

    View formula →
11. 11.

    What is double 25?

    Formula:Doubling

    $d = 2 \times n$

    View formula →
12. 12.

    Subtract 27 from 49.

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
13. 13.

    How many tens are there in the number 32?

    Formula:Place Value

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

    View formula →
14. 14.

    There are 4 bags with 4 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 →
15. 15.

    Add 16 + 8 + 7.

    Formula:Addition of Three Numbers

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

    View formula →
16. 16.

    Subtract 6 from 41.

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
17. 17.

    Fill in the missing number: 6 + ___ = 16.

    Formula:Missing Addend

    $b = \text{total} - a$

    View formula →
18. 18.

    Add 18 + 19 + 19.

    Formula:Addition of Three Numbers

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

    View formula →
19. 19.

    What is half of 32?

    Formula:Halving

    $h = n \div 2$

    View formula →
20. 20.

    Add 11 + 14 + 9.

    Formula:Addition of Three Numbers

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

    View formula →

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