Workbook Detail
Fact Family Add Sub Within 20 Hard — Set 43
Write the fact family for 9, 9, 81:
Show answer
Answer: 9 × 9 = 81; 9 × 9 = 81; 81 ÷ 9 = 9; 81 ÷ 9 = 9
- SubType
- fact-family
- Facts
- 9 × 9 = 81
- 9 × 9 = 81
- 81 ÷ 9 = 9
- 81 ÷ 9 = 9
- Difficulty
- hard
Write the fact family for 16, 1, 17:
Show answer
Answer: 16 + 1 = 17; 1 + 16 = 17; 17 - 16 = 1; 17 - 1 = 16
- SubType
- fact-family
- Facts
- 16 + 1 = 17
- 1 + 16 = 17
- 17 - 16 = 1
- 17 - 1 = 16
- Difficulty
- hard
Write the fact family for 12, 8, 20:
Show answer
Answer: 12 + 8 = 20; 8 + 12 = 20; 20 - 12 = 8; 20 - 8 = 12
- SubType
- fact-family
- Facts
- 12 + 8 = 20
- 8 + 12 = 20
- 20 - 12 = 8
- 20 - 8 = 12
- Difficulty
- hard
Write the fact family for 7, 9, 63:
Show answer
Answer: 7 × 9 = 63; 9 × 7 = 63; 63 ÷ 7 = 9; 63 ÷ 9 = 7
- SubType
- fact-family
- Facts
- 7 × 9 = 63
- 9 × 7 = 63
- 63 ÷ 7 = 9
- 63 ÷ 9 = 7
- Difficulty
- hard
Write the fact family for 12, 8, 96:
Show answer
Answer: 12 × 8 = 96; 8 × 12 = 96; 96 ÷ 12 = 8; 96 ÷ 8 = 12
- SubType
- fact-family
- Facts
- 12 × 8 = 96
- 8 × 12 = 96
- 96 ÷ 12 = 8
- 96 ÷ 8 = 12
- Difficulty
- hard
Teaching Notes
Practice fact family add sub within 20 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Fact Family Add Sub Within 20 Hard Worksheets worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.