Numbers and Operations
What does the Real number family look like?
Natural, Whole, Integer, Rational
Solve 5x=20
x=4
Write the ratio of 12 apples to 16 oranges in simplest form.
3:4 or 3 to 4
Solve the equation for x:
1.5x + 2.5 = 8.5
x = 4
A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. What is the probability of randomly drawing a red marble?
1/2 (simplified)
-4.5 falls into which of the real number family groups?
Rational
Solve 3x+4=19
x=5
If a car travels 240 miles in 4 hours, what is the car’s rate in miles per hour?
60mph
4x+3=39
x = 9
A spinner is divided into 5 equal sections: 2 red, 1 blue, 1 green, and 1 yellow. What is the probability of spinning a red or a green?
3/5
Multiply -3.60 x 4.23
-15.228
Solve 3/4x = 9
x=12
The ratio of boys to girls in a class is 3:4. If there are 21 boys, how many girls are in the class?
28 Girls
4(x−2.5)=3x+5
x = 15
A standard die and a coin are rolled/tossed simultaneously. What is the probability of rolling a 4 and flipping a heads?
1/12
Divide these fractions; 5/6 divided by 12/8
5/9 (simplified) or .5 repeated
Double Jeopardy (worth double points) Solve -4x+7<19
X>-3
A recipe calls for 3 cups of sugar for every 5 cups of flour. If you want to make a batch with 15 cups of flour, how many cups of sugar will you need?
9 cups of sugar
A store sells 2 pencils and 3 erasers for a total of $11. If the cost of a pencil is $1, how much does an eraser cost?
$3
A bag contains 6 red marbles, 3 blue marbles, and 2 green marbles. A marble is drawn at random, then a coin is tossed. What is the probability of drawing a blue marble and tossing a tails?
3/22
Classify the following numbers natural, whole, integer, and rational.
5.36, 0, 56/8, -6, -27/2
5.36, -27/2 rational
0 Whole
56/8 Natural
-6 Integer
A gym charges a $25 membership fee and an additional $10.50 per month. Write an equation that represents the total cost, C, for m months of membership. Then, solve for m if the total cost is $88.
m=6
A recipe calls for 5 teaspoons of salt for every 3 cups of flour. If you have 15 cups of flour, how many teaspoons of salt will you need? Also, if you only have 10 teaspoons of salt, how many cups of flour can you make with that amount?
25 Teaspoons of salt, and 6 cups of flour
Franklin’s grandmother opened a savings account with $275 to help him save money for college.
If Franklin makes no additional deposits or withdrawals, what equation can be used to find A, the amount of money in Franklin’s savings account after p months?
y= 95x + 275
Two coins are flipped and a die is rolled. What is the probability of flipping two heads and not rolling a 4 or 5?
1/6 (simplified)