Fractions
Adding
Multiplying
Shapes
Challenge
300

One Third of a cookie

1/3

300

35+35+20+10

100

300

13x13

169

300

A shape with 8 sides

octagon

300

4/5= _/_ and _/_

8/10 and 16/20

600

2/9+4/9

6/9

600

45+55+24+10

134

600

14x14

196

600

a shape with 9 sides

nonagon

600

a 1,000,000 sided shape is called

a megagon

900

7/8+3/8

10/8

900

60+80+15+40

195

900

6or 6x6x6= 

216

900

a shape with 10 sides

decagon

900

74 or 7x7x7x7=

2,401

1200

12/24 is the same as...

1/2

1200

150+30+40+60

280

1200

4or 4x4x4=

64

1200

a shape with 20 sides

icosagon (2D) or icosahedron (3D)

1200

1000+1000+2045+3000

7045

1500

1/3 is the same as...

2/6

1500

100+100+145+20+30+5

400

1500

56 or 5x5x5x5=

625

1500

A shape with 1000 shapes

 a chiliagon

1500

6or 6x6x6x6+1,000+1,000

3,296