Addition
Subtraction
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Fact Families
Shapes
100

4 + 5 = ?

9

100

10 - 2 = ? 

8

100

1, 2, ___, ___, 5, ___, ____

3, 4, 6, 7

100

3, 5, 8

3+5=8

5+3=8

8-3=5

8-5=3

100

I have 4 equal sides and 4 vertices! 

A square!

200

7 + 7 = ? 

14

200

15 - 5 = ? 

10

200

10, ___, 14, 16, ___, ___, 22, ___

12, 18, 20, 24

200

10, 8, 2

2+8=10

8+2=10

10-2=8

10-8=2

200

I have 3 sides and 3 vertices!

A triangle!

300

8 + 9 = ?

17

300

20 - 11 = ?

9

300

25, ___, 35, 40, ___, ___, 55, ___

30, 45, 50, 60

300

3, 9, 12

3+9=12

9+3=12

12-3=9

12-9=3

300

I have 4 sides and 4 vertices! Two of my sides are LONGER and two of my sides are shorter!

A rectangle!

400

10 + 11 = ?

21

400

30 - 8 = ?

22

400

88, 78, ___, ___, 48, ___, 28, ___

68, 58, 38, 18

400

20, 14, 6

14+6=20

6+14=20

20-14=6

20-6=14

400

I have 6 sides and 6 vertices!

A hexagon!

500

50 + 50 = ?

100

500

50 - 30 = ?

20

500

74,___,54, ___, 34, 24, ___, ___

64, 44, 14, 4

500

20, 10, 30

10+20=30

20+10=30

30-20-10

30-10=20

500

I have 12 sides and 12 vertices!

A dodecagon!