Test your skill with adding and subtracting integers, decimals, and fractions. These ten multiple-choice questions use number lines, temperatures, and distances. Choose the one correct answer for each, then read the explanation.
Grade 7Common Core: 7.NS.A.1a · 7.NS.A.1b · 7.NS.A.1c · 7.NS.A.1d
🎯 Adding and Subtracting Integers and Rational Numbers – Grade 7 math quiz
Question 1
A jump from \(-2\).
Which equation does the number line show?
A
\(-2 + 5 = 3\)
B
\(-2 + 3 = 1\)
C
\(2 - 5 = -3\)
D
\(-2 - 5 = -7\)
Question 2
What is \(-9 + 4\)?
A
\(-5\)
B
\(5\)
C
\(-13\)
D
\(13\)
Question 3
What is \(-7 - (-2)\)?
A
\(-9\)
B
\(-5\)
C
\(5\)
D
\(9\)
Question 4
Morning temperature.
The thermometer shows the morning temperature. It then rises \(10^{\circ}\text{F}\). What is the new temperature?
A
\(-16^{\circ}\text{F}\)
B
\(16^{\circ}\text{F}\)
C
\(-4^{\circ}\text{F}\)
D
\(4^{\circ}\text{F}\)
Question 5
Which expression equals \(0\)?
A
\(-12 - 12\)
B
\(12 - (-12)\)
C
\(-12 + 12\)
D
\(12 + 12\)
Question 6
Two plotted points.
What is the distance between the two points on the number line?
A
\(1\) unit
B
\(8\) units
C
\(-9\) units
D
\(9\) units
Question 7
What is \(6 - 11\)?
A
\(5\)
B
\(-5\)
C
\(17\)
D
\(-17\)
Question 8
A submarine is at \(-85\text{ ft}\). It rises \(40\text{ ft}\). What is its new elevation?
A
\(-125\text{ ft}\)
B
\(45\text{ ft}\)
C
\(-45\text{ ft}\)
D
\(-40\text{ ft}\)
Question 9
What is \(-1.5 - 2.25\)?
A
\(-3.75\)
B
\(0.75\)
C
\(-0.75\)
D
\(3.75\)
Question 10
What is the distance between \(-\frac{3}{4}\) and \(\frac{1}{2}\)?
A
\(\frac{1}{4}\)
B
\(\frac{1}{2}\)
C
\(\frac{3}{4}\)
D
\(\frac{5}{4}\)
🎉 Quiz complete!
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Remember:
- Opposites add to zero: \(p + (-p) = 0\).
- Subtraction is adding the opposite: \(p – q = p + (-q)\).
- Subtracting a negative number gives a sum: \(5 – (-7) = 12\).
- The distance between \(p\) and \(q\) on a number line is \(|p – q|\).
See every chapter on the Grade 7 math page.