Greece · Grade 1 · Practice Sheet 18

1. 1.

   Fill in the missing number: 7 + ___ = 10.

   Formula:Missing Addend

   $b = \text{total} - a$

   View formula →
2. 2.

   What is 9 + 9?

   Formula:Addition

   $\text{sum} = a + b$

   View formula →
3. 3.

   What is 14 − 1?

   Formula:Subtraction

   $\text{difference} = a - b$

   View formula →
4. 4.

   What is double 19?

   Formula:Doubling

   $d = 2 \times n$

   View formula →
5. 5.

   Fill in the missing number: 11 + ___ = 15.

   Formula:Missing Addend

   $b = \text{total} - a$

   View formula →
6. 6.

   Add 66 and 28.

   Formula:Addition

   $\text{sum} = a + b$

   View formula →
7. 7.

   What is 17 − 15?

   Formula:Subtraction

   $\text{difference} = a - b$

   View formula →
8. 8.

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

   Formula:Missing Addend

   $b = \text{total} - a$

   View formula →
9. 9.

   What is double 7?

   Formula:Doubling

   $d = 2 \times n$

   View formula →
10. 10.

    Fill in the missing number: 7 + ___ = 22.

    Formula:Missing Addend

    $b = \text{total} - a$

    View formula →
11. 11.

    What is 18 − 8?

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
12. 12.

    What is 3 + 6?

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
13. 13.

    Fill in the missing number: 14 + ___ = 26.

    Formula:Missing Addend

    $b = \text{total} - a$

    View formula →
14. 14.

    What is 4 + 4?

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
15. 15.

    What is 15 − 7?

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
16. 16.

    Add 64 and 19.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
17. 17.

    What is 5 − 3?

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
18. 18.

    What is double 4?

    Formula:Doubling

    $d = 2 \times n$

    View formula →
19. 19.

    Add 58 and 35.

    Formula:Addition

    $\text{sum} = a + b$

    View formula →
20. 20.

    What is 8 − 2?

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →

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