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Fact Family WorksheetsGrades 1–2–3

Addition & Subtraction Fact Families Worksheets

Use SVG fact family triangles to write the four related addition and subtraction equations or find the missing number.

Addition & Subtraction Fact Families

Seed #104729
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Use each fact family triangle to find the missing number or write the four related addition and subtraction facts.

1)
17+ , −611
[17 ; 6, 11]: __ + __ = __, __ − __ = __
2)
15+ , −69
[15 ; 6, 9]: __ + __ = __, __ − __ = __
3)
14+ , −410
[14 ; 4, 10]: __ + __ = __, __ − __ = __
4)
20+ , −911
[20 ; 9, 11]: __ + __ = __, __ − __ = __
5)
12+ , −57
[12 ; 5, 7]: __ + __ = __, __ − __ = __
6)
21+ , −1011
[21 ; 10, 11]: __ + __ = __, __ − __ = __
7)
17+ , −512
[17 ; 5, 12]: __ + __ = __, __ − __ = __
8)
20+ , −812
[20 ; 8, 12]: __ + __ = __, __ − __ = __
9)
15+ , −312
[15 ; 3, 12]: __ + __ = __, __ − __ = __
10)
19+ , −910
[19 ; 9, 10]: __ + __ = __, __ − __ = __
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