Positives and Negatives
What is the opposite of -7?
7
What is 0.5 as a fraction?
1/2
How many sides does a hexagon have?
6
What do you call the number that appears most often in a data set?
Mode
What is 50% of 20?
10
On a number line, which number is farther from 0: -8 or 5?
Which is greater: 3/4 or 0.8?
0.8
What is the area of a rectangle that is 5 units long and 3 units wide?
15 square units
What is the mean of these numbers: 4, 6, 8, 2?
5
A shirt costs $30. It’s on sale for 10% off. How much money do you save?
$3
Solve: -4 + 9
5
Add: 2.4 + 3.65
6.05
Plot the point (4, –2) on a coordinate grid. What quadrant is it in?
Quadrant IV (4)
Find the median: 9, 3, 7, 5, 11
7
What percent of 100 is 75?
75%
A scuba diver is 15 feet below sea level. She descends 8 more feet, then rises 20 feet. Where is she now?
-3 feet (still 3 feet below sea level)
Multiply: 3/5 × 10
6
What is the volume of a rectangular prism that is 4 units long, 2 units wide, and 3 units high?
24 cubic units
What is the range of this data set: 12, 7, 9, 4, 6?
8
A student got 18 out of 20 questions right. What percent is that?
90%
Evaluate: -6 × (-2) + (-3 × 4)
-6 × -2 = 12
-3 × 4 = -12
12 + (-12) = 0
A recipe uses 2.25 cups of sugar. If you double the recipe, how many cups will you need?
4.5 cups
A triangle has angles measuring 35° and 90°. What is the measure of the third angle?
55°
A class has quiz scores of 72, 85, 91, 85, 100. What is the mean?
86.6
A $40 game is marked up by 25%. What is the new price?
$50