Hong Kong · Grade 1 · Practice Sheet 9

1. 1.

   Continue the pattern by counting in 5s: 10, 15, ___

   Formula:Skip Counting

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

   View formula →
2. 2.

   Add 48 and 37.

   Formula:Addition

   $\text{sum} = a + b$

   View formula →
3. 3.

   Fill in the missing number: 10 + ___ = 25.

   Formula:Missing Addend

   $b = \text{total} - a$

   View formula →
4. 4.

   What is double 14?

   Formula:Doubling

   $d = 2 \times n$

   View formula →
5. 5.

   Fill in the missing number: 3 + ___ = 9.

   Formula:Missing Addend

   $b = \text{total} - a$

   View formula →
6. 6.

   Add 28 and 8.

   Formula:Addition

   $\text{sum} = a + b$

   View formula →
7. 7.

   What is 8 + 7?

   Formula:Addition

   $\text{sum} = a + b$

   View formula →
8. 8.

   Fill in the missing number: 6 + ___ = 17.

   Formula:Missing Addend

   $b = \text{total} - a$

   View formula →
9. 9.

   What is double 24?

   Formula:Doubling

   $d = 2 \times n$

   View formula →
10. 10.

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

    Formula:Adding Money

    $\text{total} = a + b$

    View formula →
11. 11.

    What is double 6?

    Formula:Doubling

    $d = 2 \times n$

    View formula →
12. 12.

    Fill in the missing number: 14 + ___ = 16.

    Formula:Missing Addend

    $b = \text{total} - a$

    View formula →
13. 13.

    What is 4 + 3?

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
14. 14.

    Add 37 and 34.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
15. 15.

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

    Formula:Skip Counting

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

    View formula →
16. 16.

    What is 10 − 6?

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
17. 17.

    Add 26 and 26.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
18. 18.

    You have HK$ 8 and HK$ 9. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

    View formula →
19. 19.

    Continue the pattern by counting in 10s: 40, 50, ___

    Formula:Skip Counting

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

    View formula →
20. 20.

    Add 62 and 25.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →

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