Rational Number Basics
What is the result of multiplying -5 by -3?
15
What is 1/3 + 2/3?
1
What is 2/3 × 3/4?
1/2
What is the new temperature if a thermometer shows -5°C and it gets 8 degrees colder?
-13°C
Simplify: 2 + 3 × 4.
14
What is the absolute value of -7?
7
What is -2/5 - 3/5?
-1
What is -4/5 × 2/3?
-8/15
If John owes $7.50 and he pays back $3.25, how much does he still owe?
$4.25
Simplify: 8 ÷ 2 + 4 × 3.
16
Which is greater, -2.5 or -2.7?
-2.7
Simplify: 4/7 + (-3/7).
1/7
Simplify: (-2/3) ÷ (3/4)
-8/9
Sarah has a debt of $12.75. If she pays $5.25, how much debt does she have left?
$7.50
Simplify: (5 - 3) × 2 + 4 ÷ 2.
2
What is the opposite of -8?
8
If x = 5/6 and y = -2/3, what is x - y?
1 1/2
If p = -3/5 and q = 2/3, what is p × q?
-2/5
A submarine is at a depth of -200 meters. If it descends another 150 meters, what will be its new depth?
-350
Simplify: 6 ÷ 2 × (1 + 2).
9
If a = -3/4 and b = 5/6, what is the value of a + b?
1/12
What is the sum of -2/3 and -5/8?
1 7/24
What is the result of (-5/6) ÷ (-2/3)?
1 1/4
If a plane ascends 1000 feet and then descends 750 feet, what is its net change in altitude?
250
Solve the expression: 3 + 4 × (8 ÷ 2) - 5.
14