South Korea · Grade 2 · Practice Sheet 18

1. 1.

   Subtract 49 from 92.

   Formula:Subtraction

   $\text{difference} = a - b$

   View formula →
2. 2.

   What is 9 − 5?

   Formula:Subtraction

   $\text{difference} = a - b$

   View formula →
3. 3.

   Subtract 6 from 47.

   Formula:Subtraction

   $\text{difference} = a - b$

   View formula →
4. 4.

   What is 2 × 8?

   Formula:Multiplication (Times Tables)

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

   View formula →
5. 5.

   How many tens are there in the number 89?

   Formula:Place Value

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

   View formula →
6. 6.

   Add 5 + 5 + 4.

   Formula:Addition of Three Numbers

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

   View formula →
7. 7.

   You have ₩1 and ₩9. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

   View formula →
8. 8.

   What is 4 + 7?

   Formula:Addition

   $\text{sum} = a + b$

   View formula →
9. 9.

   How many tens are there in the number 62?

   Formula:Place Value

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

   View formula →
10. 10.

    What is half of 48?

    Formula:Halving

    $h = n \div 2$

    View formula →
11. 11.

    Add 4 + 12 + 14.

    Formula:Addition of Three Numbers

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

    View formula →
12. 12.

    Add 53 and 56.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
13. 13.

    Continue the pattern by counting in 5s: 20, 25, ___

    Formula:Skip Counting

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

    View formula →
14. 14.

    What is 8 × 9?

    Formula:Multiplication (Times Tables)

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

    View formula →
15. 15.

    There are 2 bags with 2 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.

    Add 12 + 3 + 20.

    Formula:Addition of Three Numbers

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

    View formula →
17. 17.

    What is double 2?

    Formula:Doubling

    $d = 2 \times n$

    View formula →
18. 18.

    What is half of 16?

    Formula:Halving

    $h = n \div 2$

    View formula →
19. 19.

    What is 10 − 6?

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
20. 20.

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

    Formula:Skip Counting

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

    View formula →

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