Fraction Operations
1/4 + 3/4
Simplify if possible.
1
Graph must be a straight line that goes through the origin.
Change 1/2 to a percent and a decimal
50% and 0.5
2x + 1 = 5
x = 2
(5x + 1) + (2x + 3)
7x + 4
2/5 - 1/4
Simplify if possible.
3/20
How do you find the area of a triangle?
1/2bh
Change 7.6% to a decimal
0.076
10x + 7 = 33
x = 2.6
(2.5y + 3.2) + (0.75y - 6)
3.25y - 2.8
4/15 x 3/4
Simplify if possible.
1/5
There are about 220 7th graders at our school and about 30 students in each class. What is the population size?
220 7th graders
Change 0.075 to a percent
7.5%
When do you have to flip the inequality symbol?
When dividing by a negative number
(5x) - (2x + 1)
3x - 1
7/10 divided by 3/5
Simplify if possible.
1 1/6
Find the median of the data set below:
3, 2, 0, 5, 8, 9, 3, 2, 3
3
What is 20% of 150?
30
-5x + (-2) > 13
x < 3
What is the difference between an expression and an equation?
an equation has an equal sign and a expression does not
A bakery is baking cakes. They can bake 3.4 cakes per hour. How many cakes can they bake in 13 and 1/2 hours?
Round to the nearest whole number.
about 46 cakes
Explain the difference between theoretical probability and experimental probability.
Theoretical probability is what is likely to happen in theory and experimental probability is based on an actual experiment
What is the percent equation?
100 x is = % x of
-1/2x -9 > 21
x < -60
(1/2x + 2y + 3) + (1/2x - 2)
x + 2y + 1