Math is Cool
Solve for x:
3(x + 2) = 18
x = 4
There are 2 green marbles, 3 yellow marbles, and 5 red marbles in a bag - what is the likelihood of choosing a blue marble? (Likely, Unlikely, etc.)
Impossible - there are no blue marbles in the bag.
Complementary angles add up to equal?
90 degrees
The diameter of a circle is 4 in.
Find the circumference of the circle.
Use 3.14 for pi.
C = 12.56 in
A firefighter truck can hold 3000 gallons of water. A firefighter can deliver 160 gallons of water every 2 minutes.
How much water will be delivered in 10 minutes?
800 gallons
Solve this:
3 x 4 - 5 + 8
15
A dice numbered 1-13 is rolled, what is the probability of landing on an ODD number?
Fraction, Decimal, and Percent!
7/13, 0.53, 53%
Supplementary angles add up to equal?
180 degrees
The radius of a circle is 6 in.
Find the area of the circle.
Use 3.14 for pi.
Area = 113.04 sq. in.
Jasmine bought 32 kiwi fruit for $16. How many kiwi can Lisa buy if she has $4?
8 kiwi
Solve for x:
5(x - 2) = 5
x = 3
What is the probability of choosing a VOWEL from the alphabet?
Fraction, Decimal, and Percent!
5/26, 0.19, 19%
Two angles are supplementary. Angle 1 measures 113 degrees. What is the measure of Angle 2?
Angle 2 = 67 degrees
The diameter of a circle is 10 in.
Find the Circumference and Area.
Use 3.14 pi.
C = 31.4 in
A = 78.5 sq. in.
Molly bought two heads of cabbage for $1.80. How many heads of cabbage can Willie buy if he has $28.80?
32 cabbages
Solve this Problem:
3 x 6 - 8 - 2(1 - 3) + 5
19
Find the Mean, Median, and Mode:
15, 16, 15, 14, 18, 15, 19
Mean:16
Median:15
Mode: 15
Two angles are complementary. Angle C is 21 degrees. What is the measure of Angle B?
Angle B = 69 degrees
A rectangular prism measures 6 cm in height, 7 cm in width, and 12 cm in length. What is the volume?
V = 504 cm cubed
Is this a biased or unbiased sample? Explain.
A cell phone company selects 500 customers from its database and then surveys those customers to find out if they like their phone service.
Biased. The cellphone company chose their own customers to survey.
Solve this Problem:
5 x 5 - 13 + 2(3 - 4) - 2 + 6 =
14
Find the Mean, Median, Mode:
13, 18, 13, 14, 13, 16, 14, 21, 13
Mean: 15
Median: 14
Mode: 13
Bob solved the following problem.
Two angles are supplementary. Angle M equals 34 degrees. What is Angle N?
Bob said Angle N equals 56 degrees. Is he correct? If not, what is the correct answer?
No, he is not correct. Angle N is 146 degrees because supplementary angles add up to equal 180 degrees.
Find the volume of a triangular prism with the following measurements:
B = 8 cm
b = 5 cm
h = 6 cm
120 cm cubed
Is this a Biased or Unbiased Sample?
You randomly chose 50 books from the school library to find the average length of each book.
Unbiased - The books were chosen at random, giving a more accurate result.