PEMDAS
8+3-(5+1) =
5
1/ 8 + 4/ 8 =
5/8
0.4 + 8.15 =
8.55
64 / 8 =
8
A rhombus is a trapezoid? Why?
Yes, because it has at least one pair of parallel sides.
47-4 x 8 +3=
18
7/3-5/3 =
2/3
3.8 - 1.6 =
2.2
458 / 9 =
50.888
A rectangle is a quadrilateral? Why?
Yes, because it has 4 sides, 4 angles, 4 vertices.
52 x 2 + 8 - 25 =
87
3/5 + 8/6 =
58/30 and simplified 1 14/15
4.1 x 8 =
32.8
1,053 / 3 =
351
A trapezoid is a parallelogram? why?
7+5 - 30 x 2 + (4x2) =
-40
3/5 - 2/6 =
8/30 or simplified 4/15
6 - 5.62=
0.38
795 / 5 =
159
Which quadrilaterals have the 4 congruent sides?
square, rhombus
80-15x2 + (3x6) - (-5) =
73
Change 20/3 into a mixed number
6 2/3
54.1 / 8 =
6.7
8,742 / 4 =
2,185.5
What is different between square and parallelogram?
That the square has 4 right angles and parallelogram not.