Addition
12 +12 =
24
30-15 =
15
What is the name of a 3-sided shape?
A triangle
Solve for n
n + 10 = 12
n=2
8 x 2 =
16
37+30 =
67
45-22 =
23
What is the name of a 5-sided shape?
A pentagon
Solve for n
20 - n = 14
n =6
7 x 7 =
49
235+55 =
290
300-195 =
105
A cube
Solve for n
(10+5)+ (12+ n) = 28
n = 1
10 x 8 =
80
235+235 =
470
457-288 =
169
What is the name of a shape that has 2 pentagon faces and 5 congruent rectangles?
A pentagonal prism
3n =15
n = 5
9 x 9 =
81
1582+495 =
2077
1000-465 =
535
How many vertices does an octagonal pyramid have?
9
Solve for n
(10+5)x n = 60
n = 4
12 x 12 =
144