Show:
Addition
Subtraction
Multiplication
Factors
Shapes
Rounding
100
52 + 17 
69
100
20-6
14
100
5 x 1
5
100
What shape has three sides and three angles?
triangle


100
Round to the nearest tens: 


15

20
200
81 + 20
101
200
144 - 20
124
200
8 x 6
48
200
What shapes has four equal sides?
Square
200
Round to the nearest tens: 


8

10
300
411 + 100
511
300
214 - 14
200
300
11 x 6
66
300
What shapes has no sides and no angles?
circle
300
round to the nearest hundreds: 


120

100


400
612 + 102
714
400
536 - 102
434
400
33 x 2
66
400
What has 8 sides?
octagon
400
Round to nearest hundreds: 


261

300
500
1001 + 230 
1231
500
852 - 250
602
500
10 x 10
100
500
How many sides does a pentagon have?
5
500
Round to the nearest thousands:  


3,160

3,000