Vocabulary
A number that is less than zero is called...
A negative number.
3 minus 5
-2
Add 1/4 + 2/4.
3/4
What is 50% of 20?
10
Jake ran 3/4 of a mile on Monday and 2/4 of a mile on Tuesday. How far did he run in total?
5/4
The set of all positive and negative whole numbers is called...
The integers
Which number is greater on the number line: 3 or -2?
3
Simplify 7/14
1/2
25% of 80 equals?
20
A pizza was cut into 8 slices. If 3/8 was eaten and 1/4 was saved for later, how much is left?
3/8
The mathematical word for opposite is...
Inverse
What is the result of 2 - 5?
-3
Subtract 5/6 - 1/3. Simplify your answer.
1/2
Convert 3/5 to a percent.
60%
A library has 120 books. 1/3 are fiction and the rest are non-fiction. How many non-fiction books are there?
80
When you add a number to its inverse, the answer is always...
Zero
Tom is standing at -2 on a number line. He moves 3 steps to the right. Where is he now?
1
Convert 9/4 to a mixed number.
2 1/4
A shirt costs $40. It’s on sale for 25% off. How much is taken off the price?
$10
A baker had 3 1/2 pounds of flour. He used 1 3/4 pounds to make bread. How much flour does he have left?
1 3/4 pounds
The positive whole numbers are called...
Counting numbers or Natural numbers
Which integer is farther from 0: -7 or 4?
-7
7/8 ÷ 1/4.
28/8
A student scored 18 out of 24 questions correct. What percent did they get?
75%
A submarine is at -50 meters. It rises 20 meters, then dives 35 meters. What is its final depth?
-65 meters