Thailand · Grade 1 · Practice Sheet 16

1. 1.

   Fill in the missing number: 15 + ___ = 26.

   Formula:Missing Addend

   $b = \text{total} - a$

   View formula →
2. 2.

   You have ฿2 and ฿8. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

   View formula →
3. 3.

   Add 24 and 19.

   Formula:Addition

   $\text{sum} = a + b$

   View formula →
4. 4.

   Continue the pattern by counting in 2s: 6, 8, ___

   Formula:Skip Counting

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

   View formula →
5. 5.

   What is 7 + 8?

   Formula:Addition

   $\text{sum} = a + b$

   View formula →
6. 6.

   Add 22 and 31.

   Formula:Addition

   $\text{sum} = a + b$

   View formula →
7. 7.

   Continue the pattern by counting in 3s: 12, 15, ___

   Formula:Skip Counting

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

   View formula →
8. 8.

   You have ฿9 and ฿5. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

   View formula →
9. 9.

   Continue the pattern by counting in 2s: 4, 6, ___

   Formula:Skip Counting

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

   View formula →
10. 10.

    Add 65 and 20.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
11. 11.

    Fill in the missing number: 2 + ___ = 7.

    Formula:Missing Addend

    $b = \text{total} - a$

    View formula →
12. 12.

    Add 81 and 52.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
13. 13.

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

    Formula:Adding Money

    $\text{total} = a + b$

    View formula →
14. 14.

    Fill in the missing number: 13 + ___ = 28.

    Formula:Missing Addend

    $b = \text{total} - a$

    View formula →
15. 15.

    Add 66 and 53.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
16. 16.

    What is double 13?

    Formula:Doubling

    $d = 2 \times n$

    View formula →
17. 17.

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

    Formula:Adding Money

    $\text{total} = a + b$

    View formula →
18. 18.

    Continue the pattern by counting in 5s: 5, 10, ___

    Formula:Skip Counting

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

    View formula →
19. 19.

    You have ฿5 and ฿2. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

    View formula →
20. 20.

    What is 14 − 4?

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →

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