Adding and Subtracting Integers Worksheet with Answers – Grade 7 (Free PDF)

Problem 1 Opposites and Zero Sums ★★★

Write the opposite of each number, and show that each number and its opposite add to 0.

1. 17
2. −9
3. 0
4. −2.5

Problem 2 Adding on a Number Line ★★★

Use the number line to find −7 + 9.

Problem 3 Adding Two Negatives ★★★

Find −6 + (−7).

Problem 4 Mixed Signs ★★★

Find 12 + (−19).

Problem 5 Morning Warm-Up ★★★

At dawn the temperature is −4°F. It rises 11°F by noon. What is the temperature at noon?

Problem 6 Account Deposit ★★★

A bank account has a balance of −$25. A deposit of $60 is made. What is the new balance?

Problem 7 Subtracting a Larger Number ★★★

Find 5 − 12 by rewriting it as an addition.

Problem 8 Three Subtractions ★★★

Evaluate each expression.

1. −9 − 4
2. −9 − (−4)
3. 9 − (−4)

Problem 9 Adding the Opposite ★★★

Rewrite −15 − (−22) as an addition problem and evaluate it.

Problem 10 Diver’s Elevation ★★★

A diver is at −38 feet. She rises 15 feet and then descends 20 feet. What is her final elevation?

Problem 11 Decimal Sums and Differences ★★★

Find each value.

1. −3.7 + 5.2
2. −2.4 − 1.9

Problem 12 Fraction Sums and Differences ★★★

Find each value.

1. −34 + 12
2. 13 − 56

Problem 13 Distance Between Two Points ★★★

Find the distance between −13 and 8 on the number line.

Problem 14 Distance with Decimals ★★★

Find the distance between −5.5 and −2.25 on a number line.

Problem 15 Temperature Changes in a Day ★★★

The temperature in a mountain town was −9°F at 6 AM, 14°F at noon, and −6°F at midnight. Find the change from 6 AM to noon, from noon to midnight, and from 6 AM to midnight.

Problem 16 Checking Account Balance ★★★

An account starts at $75.20. A purchase of $98.60 is made, then a deposit of $50.00, then a fee of $12.50. Find the balance after each step and the final balance.

Problem 17 Hiker’s Elevation ★★★

A hiker starts at an elevation of −85 feet, climbs to 1,240 feet, and then descends to −20 feet. Find the change in elevation on the climb, on the descent, and from the start to the end.

Problem 18 Missing Numbers ★★★

Find the missing number in each equation.

1. −14 + ? = 6
2. ? − (−9) = −3
3. 8 − ? = 15

Problem 19 Football Yard Line ★★★

A team’s plays gain or lose yards: +7, −12, +5, −9, +14, −3. Find the team’s position relative to the starting line after each play, and the lowest position reached.

Problem 20 Submarine Depth ★★★

A research submarine is at −85.5 meters. It rises 32.75 meters, then dives 60.25 meters. Find its final depth and the distance between its final position and its starting position.