2D shapes
3D shapes
Teen numbers
How many tens?
Count Backwards
100

This shape has 3 sides

triangle

100

This is the shape of a ball

sphere

100

10 and 6

16

100

How many tens does 40 have?

4

100

10, 9...

8, 7

200

This shapes has no sides

circle

200

This is the shape of a can of corn

cylinder

200

10 and 8

18

200

How many tens does 60 have?

6

200

19, 18,...

17, 16

300

This shape has 4 equal sides

square

300

This is the shape of dice

cube

300

10 and 1

11

300

How many tens does 90 have?

9

300

30, 29, ...

28, 27

400

This shape has 2 long sides and 2 short sides

rectangle

400

This is the shape of a party hat

cone

400

10 and 2

12

400

How many tens does 20 have?

2

400

50, 40, 30,...

20, 10

500

This shape has 6 sides

hexagon

500

This is the shape of the globe

sphere

500

10 and 10

20

500

How many tens does 10 have?

1

500

100, 90, 80, ...

70, 60