Addition
5+5=
10
10-5=
5
After lunch
PM
3 vertices
triangle
3 groups of 2
3X2=
6
28+41=
69
39-19=
20
Before lunch
AM
4 equal sides and 4 vertices
square
5 groups of 3
5X3=
15
38+25=
63
51-24=
27
Short hand on 8
Long hand on 5
8:25
6 sides and 6 vertices
Hexagon
10 groups of 10=
10x10=
100
147+123=
270
125-20=
105
sShort hand on 12
Long hand on 8
12:40
5 sides and 5 vertices
Pentagon
8 groups of 7
8X7=
56
535+198=
733
967-128=
839
what time is 5 minutes past 6?
6:05
0 sides and 0 vertices
Circle
8 groups of 5
8X5=
40