Integers & Rational Numbers
What is -4 + 7?
3
What is 2.5 + 1.3?
3.8
Find the unit rate: 10 apples for $5
$0.50 per apple
Solve: 2x + 3 = 11
x = 4
What is the area of a circle with r = 3?
28.26
What is -4 - 24?
-28
1/4 + 1/2 = ?
3/4
What is 25% of 80?
20
“Twice a number plus 3 is 11” → Solve
x = 4
Volume of a prism: 3 × 4 × 5
60
What is -6 - (-12)?
6
Multiply: 0.2 × 0.3
0.06
Find the percent change from 50 to 75
50% increase
Solve inequality: -2x > 6
x < -3
Circumference if d = 4
12.56
What does -(p/q) mean?
(-p)/q or p/(-q)
2/3 ÷ 1/4 = ?
8/3
10% off $40 = ?
$36
Graph: x < 3
Open circle at 3, shade left
Probability of heads on a coin
0.5
Solve: (-4 + 2) × 3
-6
Add: 2x + 3 - x
x + 3
Write a proportional equation with a rate of 2
y = 2x
Slope of (1,2) to (3,6)?
2
Outlier in data means...?
A number far from the rest