Operations
347+689
1036
(3/5) + (2/5)
1
Write the ratio of 8 red marbles to 12 blue marbles in simplest form.
2:3
x+7=19
x=12
Find the area of a rectangle with length 9 and width 6.
54
905-478
427
(7/8) - (3/8)
1/2
If 4 notebooks cost $10, how much will 8 notebooks cost?
$20
4x=36
x = 9
Find the perimeter of the rectangle:
Length = 9
Width = 6
30
36 x 24
864
(2/3) x (5/6)
5/9
(x/6) = (10/15)
x=4
3x+5=20
x = 5
Area of a triangle:
base = 10, height = 6.
30
864 / 12
72
(4/5) / (2/3)
6/5
A car travels 180 miles in 3 hours. What is the unit rate (mph)?
70miles/hr
If x = 4
2x2+3
35
A square has side length 7. Find the area.
49
34
81
Convert 3/4 to a decimal
If a coin is flipped once, what is the probability of heads?
50%
2x+9=21
x = 6
A circle has radius of 5. Find the circumference (use 3.14)
31.4