This medium worksheet stretches fact family fluency across three full families without any vocabulary scaffolding. Part A has nine fill-in equations that walk children through 7-6-13 and 9-5-14 in all four directions, plus an opener for 8 + 7 = 15, so first graders see how a single family generates 7 + 6 = 13, 6 + 7 = 13, 13 - 7 = 6, and 13 - 6 = 7.
Part B is a four-pair matching task linking 3 + 9, 15 - 8, 6 + 5, and 17 - 9 to answers 7, 8, 11, and 12. Mixing addition and subtraction in the same column forces children to compute each one rather than guess from the operation, which is exactly how fact-family reasoning gets tested in the wild.
Style:
Fact Families (Addition & Subtraction to 20)
Part A: Fill in the Blank
Write the missing word or number on each line.
1. 7 + 6 = 13
2. 6 + 7 = 13
3. 13 - 7 = 6
4. 13 - 6 = 7
5. 9 + 5 = 14
6. 5 + 9 = 14
7. 14 - 9 = 5
8. 14 - 5 = 9
9. 8 + 7 = 15
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
3 + 9
→ 12
7
15 - 8
→ 7
8
6 + 5
→ 11
11
17 - 9
→ 8
12
Fact Families (Addition & Subtraction to 20)
★ Part A: Fill in the Blank
Write the missing word or number on each line.
1) 7 + 6 = 13
2) 6 + 7 = 13
3) 13 - 7 = 6
4) 13 - 6 = 7
5) 9 + 5 = 14
6) 5 + 9 = 14
7) 14 - 9 = 5
8) 14 - 5 = 9
9) 8 + 7 = 15
★ Part B: Matching
Match each item on the left to the correct answer on the right.
1) Match each item to its correct answer.
3 + 9
→ 12
7
15 - 8
→ 7
8
6 + 5
→ 11
11
17 - 9
→ 8
12
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10 Questions
10-15 minutes
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