Russia · Grade 3 · Practice Sheet 13

1. 1.

   How many tens are there in the number 23?

   Formula:Place Value

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

   View formula →
2. 2.

   Add 7 + 20 + 13.

   Formula:Addition of Three Numbers

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

   View formula →
3. 3.

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

   Formula:Missing Addend

   $b = \text{total} - a$

   View formula →
4. 4.

   What is double 20?

   Formula:Doubling

   $d = 2 \times n$

   View formula →
5. 5.

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

   Formula:Missing Addend

   $b = \text{total} - a$

   View formula →
6. 6.

   Subtract 32 from 85.

   Formula:Subtraction

   $\text{difference} = a - b$

   View formula →
7. 7.

   Add 15 + 11 + 16.

   Formula:Addition of Three Numbers

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

   View formula →
8. 8.

   What is double 3?

   Formula:Doubling

   $d = 2 \times n$

   View formula →
9. 9.

   What is half of 30?

   Formula:Halving

   $h = n \div 2$

   View formula →
10. 10.

    Subtract 45 from 64.

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
11. 11.

    What is double 22?

    Formula:Doubling

    $d = 2 \times n$

    View formula →
12. 12.

    12 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 →
13. 13.

    What is half of 4?

    Formula:Halving

    $h = n \div 2$

    View formula →
14. 14.

    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 →
15. 15.

    Add 11 + 11 + 11.

    Formula:Addition of Three Numbers

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

    View formula →
16. 16.

    Continue the pattern by counting in 10s: 10, 20, ___

    Formula:Skip Counting

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

    View formula →
17. 17.

    How many tens are there in the number 31?

    Formula:Place Value

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

    View formula →
18. 18.

    4 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 →
19. 19.

    How many tens are there in the number 70?

    Formula:Place Value

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

    View formula →
20. 20.

    Add 9 + 12 + 13.

    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.