Decimals
Add: 1.23 + 4.567
5.797
What is 10% of 50?
5
If you flip a coin, what is the probability of getting heads?
1/2
What is the mode of these numbers: 8, 8, 10, 12, 12, 12?
12
What is the largest ocean on Earth?
(Answer: What is the Pacific Ocean?)
Subtract: 15.784 − 3.129
12.655
What is 25% of 80?
20
You roll a six-sided die. What is the probability of rolling an even number?
1/2
What is the range of these numbers: 34, 28, 45, 31, 37?
17
What is the name of the smallest bone in the human body?
a) Femur
b) Stapes
c) Tibia
(Answer: What is b?)
Add: 0.98 + 1.5643 + 89.784
92.3283
A jacket costs $75 and has a 35% discount. What is the new price?
$48.75
A spinner is divided into 8 equal sections, 3 of which are yellow. What is the probability of not landing on yellow?
5/8
What type of data is the number of students in a classroom: discrete, continuous, or categorical?
Discrete
What country has the most pyramids in the world?
a) Egypt
b) Sudan
c) Mexico
(Answer: What is b?)
Sudan has the most pyramids in the world, with between 200 and 255 known pyramids.
Multiply: 7.543 × 0.04
0.30172
A school has 600 students. If 45% are boys, how many girls are there?
330
A jar contains 6 red marbles, 4 blue marbles, and 3 green marbles. What is the probability of not picking a blue marble?
9/13
Is the color of someone’s hair an example of categorical or numerical data?
Categorical
Which gas is most abundant in the Earth’s atmosphere?
a) Oxygen
b) Nitrogen
c) Carbon Dioxide
(Answer: What is b?)
Convert 0.375 into a fraction in its simplest form.
3/8
A number increased by 25% becomes 500. What was the original number?
400
If you draw a card randomly from a standard deck of 52 cards, what is the probability of getting a red card or a king?
28/52 or 14/26
What is the height of students in a class an example of?
Continuous
How many legs does a lobster have?
a) 6
b) 8
c) 10
(Answer: What is c?)