Multiplication
6 x 8
48
20 ÷ 4
5
Angle that is less than 90 degrees
Acute
1/5 + 3/5
4/5
25 x 7
175
96 ÷ 8
12
Lines that never intersect
Parallel Lines
1 2/8 + 3 1/8
4 3/8
358 x 4
1,432
327 ÷ 3
109
Line bounded by two point
Line Segment
1 3/6 - 2/6
1 1/6
24 x 13
312
4936 ÷ 4
1,234
Goes on indefinitely
Line
3 x 4/7
12/7 or 1 5/7
1473 x 6
8,838
35,742 ÷ 7
5,106
Two lines intersecting forming 90 degree angles
Perpendicular
3 - 1 3/5
1 2/5