Worksheet on Additions ( Sigle digit + Single digit )

Part 1: Foundational Number Sense

Before adding, students must understand number sequence.

1. Ascending Order: Write the missing numbers in ascending order from 0 to 10.

   0, 1, ___, ___, 4, 5, ___, 7, ___, 9, 10

2. Descending Order: Write the numbers in descending order starting from 10.

   10, 9, ___, 7, ___, 5, ___, 3, 2, ___, 0

Part 2: Primary Addition Strategies

Apply the key points and number line techniques.

Section A: Adding with Zero (0)

Key Point: When you add zero to any number, the result is the same number.

3. _____

4. _____

5. _____

Section B: Adding with One (1)

Tip: Think of the next number in the ascending sequence.

6. _____

7. _____

8. _____

Section C: Adding with Two (2) and Three (3)

9. _____

10. _____

11. _____

12. _____

Part 3: Advanced Addition Patterns

Section D: Doubling Numbers Objective: Recognize when both numbers are the same.

13. _____

14. _____

15. _____

Section E: Tens Compliments Objective: Identifying pairs that sum to 10.

16. _____

17. _____

18. _____

Part 4: Final Mastery Check

Fill in the missing addends.

19. _____

20. _____

21. _____

22. _____