Operations w/ Fractions
1/2 + 3/4 =
5/4 or 1 1/4
What is the next number in the pattern?
1, 2, 4, 8...
16
A bag contains 25 balloons: 15 red, 3 yellow, and 7 orange.
What is the theoretical probability of choosing a yellow balloon?
3/25
A= 36 square units
P= 24 units
Find two factors of 76.
1, 2, 4, 19, 38 (2 of them)
2 - 2/5 =
8/5 or 1 3/5
Give an example of a variable.
A bag contains 25 balloons: 15 red, 3 yellow, and 7 orange.
What is the probability of not choosing a red balloon?
10/25
A juice can is about 2.25 inches in diameter. What is its circumference?
C = approximately 7.07 in.
Find all the factors of 171.
1, 3, 57, 171
3/8 X 6/7
18/56 or 9/28
What is the first number in an ordered pair called?
the x-coordinate
A bag contains 25 balloons: 15 red, 3 yellow, and 7 orange.
What is the theoretical probability of getting a yellow or an orange balloon?
10/25
Draw 2 shapes with perimeters of 18 square units but different areas. Give the areas of each shape.
= 2 x 7 rectangle has a perimeter of 18 and an area of 14.
= 4 X 5 rectangle has a perimeter of 18 and an area of 20.
Find the least common multiple of 35 and 175.
175
1 2/3 - 5/6 =
5/6
Which variable is measured on the y-axis?
the dependent variable
A bag contains 25 balloons: 15 red, 3 yellow, and 7 orange.
The number of balloons of each color is doubled. What happens to the probability of choosing a red balloon?
The probability remains the same.
Draw 2 shapes with areas of 25 square units but different perimeters. Give the perimeters of each shape.
= 5 X 5 square has an area of 25 square units and a perimeter of 20 units.
= 1 X 25 square units and a perimeter of 25 units, but a perimeter of 52 units.
Find the greatest prime number less than 112.
109
5/7 / 2 1/3 =
15/49
Movie tickets cost $7. Write an equation that models the cost for any number of tickets.
C = 7t
A bag contains 25 balloons: 15 red, 3 yellow, and 7 orange.
How many balloons of each color do you need to add to the original bag to make the probability of drawing a red balloon 1/2?
Add 1 yellow balloon and 4 orange balloons OR add 2 yellows and 3 oranges OR add 4 yellows and 1 orange OR add 5 yellows and 5 oranges.
Find the dimensions of a rectangle with an area of 36 square units and whole number side lengths that has the least perimeter.
6 X 6
Find the greatest common factors of 370, 222, and 148.
74