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Create Your Own Fact Family Worksheets

Generate printable fact family triangles with optional blanks and answer keys for math centers, homework, or intervention practice.

Create printable fact-family triangles to reinforce the relationship between two parts and a whole.

Build Your Fact Family Sheet

Generate a student-facing practice page and print it cleanly with or without answers.

Big number range

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Printable Fact Family Layout

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20 triangles · 5 rows × 4 per row · total range 2-20 · answer key available separately
Name: Date:
1.
15
2
13
2.
17
5
12
3.
15
4
11
4.
10
0
10
5.
18
8
10
6.
5
1
4
7.
12
3
9
8.
17
8
9
9.
2
0
2
10.
18
8
10
11.
18
2
16
12.
3
1
2
13.
15
2
13
14.
8
0
8
15.
19
0
19
16.
20
7
13
17.
13
2
11
18.
6
1
5
19.
2
1
1
20.
18
5
13

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