Shapes
Addition
Subtraction
Doubles
Near doubles
100

I five straight sides and five vertices, what shape am I?

Pentagon

100

10+8

18

100

11-3

8

100

7+7=

14

100

1+2=

3

200

I have four sides, four vertices and 2 pair of parallel sides.

Parallelogram

200

9+5

14

200

20-14

6

200

3+3

6

200

5+6

11

300

I have four sides, four vertices, and 1 pair of parallel sides.

I am a trapezoid

300

7+3

10

300

17-5

12

300

9+9

18

300

7+8=

15

400

I am a title of many shapes, I only have straight lines what am I? hint my title starts with the letter p.

Polygon

400

6+9

15

400

20-12

8

400

6+6

12

400

9+10=

19

500

I have 6 sides and 6 vertices. what shape am I?

Hexagon

500

7+9

16

500

20-19

1

500

5+5

10

500

6+7=

13

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