This medium-level worksheet has students fill in blanks, and match items from two columns to practice addition within 20 skills.
It includes 10 questions across 2 sections for focused practice.
Style:
Addition Within 20 (Number Lines)
Part A: Fill in the Blank
Write the missing word or number on each line.
1. 6 + 7 = 13
2. 8 + 9 = 17
3. 5 + 8 = 13
4. 9 + 5 = 14
5. 7 + 9 = 16
6. 4 + 8 = 12
7. 6 + 9 = 15
8. 8 + 4 = 12
9. 7 + 7 = 14
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
9 + 8
→ 17
11
6 + 6
→ 12
12
7 + 4
→ 11
15
8 + 7
→ 15
17
Addition Within 20 (Number Lines)
★ Part A: Fill in the Blank
Write the missing word or number on each line.
1) 6 + 7 = 13
2) 8 + 9 = 17
3) 5 + 8 = 13
4) 9 + 5 = 14
5) 7 + 9 = 16
6) 4 + 8 = 12
7) 6 + 9 = 15
8) 8 + 4 = 12
9) 7 + 7 = 14
★ Part B: Matching
Match each item on the left to the correct answer on the right.
1) Match each item to its correct answer.
9 + 8
→ 17
11
6 + 6
→ 12
12
7 + 4
→ 11
15
8 + 7
→ 15
17
Ready to Practice?
Complete each section carefully.
10 Questions
10-15 minutes
Auto-graded
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