Show:
Addition
Hard Addition
Subtraction
Hard Subtraction
Shapes
100
1+3
4
100
31+22
53
100
10-5
5
100
85-25
60
100
What shape has no sides?
Circle
200
2+7
9
200
46+99
145
200
21-8
13
200
165-163
2
200
Name 2 shapes with four sides
Square, rectangle, rhombus, etc. (Answers may vary)
300
10+5
15
300
100+200+300+50
650
300
33-3
30
300
563-81
482
300
Name a shape that does not have four sides that are all the same length
Rectangle or trapezoid
400
12+7
19
400
123+459
582
400
19-12
7
400
658-436
222
400
What shape has five sides?
Pentagon
500
20+20
40
500
1287+37
1324
500
25-15
10
500
435-237
198
500
Name a shape with 8 sides and give one real-life example of where you can find this shape
Octagon/stop sign