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Fact families worksheet generator

Each item gives a trio of numbers; students write all four facts that connect them. Choose add/subtract or multiply/divide families.

Fact Families

Name: Date:

1.
12, 5, 17 — write the four facts
2.
7, 10, 17 — write the four facts
3.
7, 5, 12 — write the four facts
4.
2, 10, 12 — write the four facts
5.
12, 11, 23 — write the four facts
6.
7, 12, 19 — write the four facts
7.
11, 12, 23 — write the four facts
8.
8, 4, 12 — write the four facts
9.
7, 5, 12 — write the four facts
10.
10, 11, 21 — write the four facts
11.
9, 10, 19 — write the four facts
12.
10, 9, 19 — write the four facts
13.
6, 2, 8 — write the four facts
14.
5, 4, 9 — write the four facts
15.
10, 3, 13 — write the four facts
16.
5, 2, 7 — write the four facts
17.
8, 12, 20 — write the four facts
18.
5, 4, 9 — write the four facts
19.
2, 9, 11 — write the four facts
20.
10, 2, 12 — write the four facts

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Fact Families — Answer Key

Name: Date:

1.
12, 5, 17 — write the four facts
12+5=17; 5+12=17; 17−12=5; 17−5=12
2.
7, 10, 17 — write the four facts
7+10=17; 10+7=17; 17−7=10; 17−10=7
3.
7, 5, 12 — write the four facts
7+5=12; 5+7=12; 12−7=5; 12−5=7
4.
2, 10, 12 — write the four facts
2+10=12; 10+2=12; 12−2=10; 12−10=2
5.
12, 11, 23 — write the four facts
12+11=23; 11+12=23; 23−12=11; 23−11=12
6.
7, 12, 19 — write the four facts
7+12=19; 12+7=19; 19−7=12; 19−12=7
7.
11, 12, 23 — write the four facts
11+12=23; 12+11=23; 23−11=12; 23−12=11
8.
8, 4, 12 — write the four facts
8+4=12; 4+8=12; 12−8=4; 12−4=8
9.
7, 5, 12 — write the four facts
7+5=12; 5+7=12; 12−7=5; 12−5=7
10.
10, 11, 21 — write the four facts
10+11=21; 11+10=21; 21−10=11; 21−11=10
11.
9, 10, 19 — write the four facts
9+10=19; 10+9=19; 19−9=10; 19−10=9
12.
10, 9, 19 — write the four facts
10+9=19; 9+10=19; 19−10=9; 19−9=10
13.
6, 2, 8 — write the four facts
6+2=8; 2+6=8; 8−6=2; 8−2=6
14.
5, 4, 9 — write the four facts
5+4=9; 4+5=9; 9−5=4; 9−4=5
15.
10, 3, 13 — write the four facts
10+3=13; 3+10=13; 13−10=3; 13−3=10
16.
5, 2, 7 — write the four facts
5+2=7; 2+5=7; 7−5=2; 7−2=5
17.
8, 12, 20 — write the four facts
8+12=20; 12+8=20; 20−8=12; 20−12=8
18.
5, 4, 9 — write the four facts
5+4=9; 4+5=9; 9−5=4; 9−4=5
19.
2, 9, 11 — write the four facts
2+9=11; 9+2=11; 11−2=9; 11−9=2
20.
10, 2, 12 — write the four facts
10+2=12; 2+10=12; 12−10=2; 12−2=10

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Frequently asked questions

How do I print or save these worksheets as a PDF?: Click Print worksheet and choose your printer, or pick “Save as PDF” as the destination to keep a digital copy. The answer key prints on its own page.
Can I get a fresh set of problems?: Yes. Click New problems for a brand new randomly generated worksheet, as many times as you like.
Is this worksheet generator free?: Yes. Every generator on the site is free to use, with no account, no watermark and unlimited printing for classroom or home use.