Number Sense and Operations
What is the value of the expression: 3 + 4 x 2
11
What is the mean of the following data set:
4, 6, 8, 10, 12
8
Simplify the expression:
3(x+2)
3x+6
What is the perimeter of a rectangle with length 8 cm and width 5 cm?
26 cm
Which of the following best describes a rational number?
A) A number that cannot be written as a fraction
B) A number that can be written as a fraction
C) A number that is a whole number
D) A number that is always positive
B) A number that can be written as a fraction
Which of the following is a rational number?
A) √2
B) π
C) 0.75
D) √3
C) 0.75
A spinner is divided into 4 equal sections: red, blue, green, and yellow. What is the probability of landing on green?
1/4
Solve for x:
2x+5=13
4
What is the area of a triangle with a base of 10 cm and a height of 6 cm?
30 cm sq
What is the difference between two numbers?
A) The sum of the numbers
B) The product of the numbers
C) The result of subtracting one number from the other
D) The result of multiplying one number by the other
C) The result of subtracting one number from the other
A recipe uses 2 ½ cups of flour for one batch of cookies. How much flour is needed for 3 batches?
A) 6 cups
B) 7 cups
C) 7 ½ cups
D) 8 cups
C) 7 ½ cups
A class has 12 girls and 8 boys. If one student is chosen at random, what is the probability it is a boy?
2/5
A phone company charges a flat fee of $25 plus $0.10 per text message.
Which equation represents the total monthly cost C for t text messages?
A) C=0.10+25t
B) C=25t+10
C) C=25+0.10t
D) C=10+0.25t
C) C=25+0.10t
If the radius of a circle is 7 cm, what is the area of the circle? Use 3.14 for pi.
153.86 cm sq
What does proportional mean?
A) Two quantities that are always equal
B) Two quantities that have a constant ratio
C) Two quantities that are not related
D) Two quantities that add up to 1
B) Two quantities that have a constant ratio
Simplify the expression: (2^3×2^4)÷2^2
2^5
The median of a data set is 9. If the data set is 3, 6, 9, 12, x, what is the value of x?
A) 9
B) 12
C) 15
D) 18
C) 15
A store is having a 20% off sale on all items. If the original price of a jacket is $75, what is the sale price of the jacket?
60
A circular track has a radius of 14 meters. What is the circumference of the track? Use 3.14 for pi.
87.82 meters
What is the term used to describe the likelihood of a specific outcome occurring in a probability experiment?
A) Event
B) Outcome
C) Probability
D) Experiment
C) Probability
If 3x - 5 = 16, what is the value of x?
7
Ryan has a bag that contains strawberry chews, cherry chews, and watermelon chews. He performs an experiment. Ryan randomly removes a chew from the bag, records the result, and returns the chew to the bag. Ryan performs the experiment 37 times. The results are shown below:
Based on these results, express the probability that the next chew Ryan removes from the bag will be cherry or watermelon as a decimal to the nearest hundredth.
0.78
A car travels 240 miles in 4 hours. If the car continues traveling at the same rate, how many miles will it travel in 7 hours?
420
The area of a circle is 154 cm². What is the radius of the circle? Use 3.14 for pi.
7 cm
Which term refers to a number multiplied by a variable in an algebraic expression?
A) Constant
B) Coefficient
C) Exponent
D) Term
B) Coefficient