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Adding Integers w/ Number Lines - Printable Mathematics Worksheets - Wayground

Adding Integers w/ Number Lines

15 questions

7th - 7th Grade

Mathematics

Adding Integers w/ Number Lines is a free printable Grade 7 mathematics worksheet that helps students interpret and solve integer addition modeled on number lines. Across 15 multiple-choice questions, students identify the addition expression represented by a graph, match equations to number-line models, and determine sums such as 3 + (−12) or 6 + (−2). The items include positive and negative starting values, moves in both directions, and distractors that test whether students read the model accurately. Use this worksheet to reinforce the connection between a number-line movement and the corresponding integer equation. It is suitable for guided practice, independent work, or a quick check of whether students can translate visual models into equations and calculate the resulting sum. The worksheet is free to print and includes a complete answer key for efficient review and grading.

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Worksheets

Adding Integers w/ Number Lines

Total questions: 15

Name
Class
Date
1.
Which addition expression matches the problem shown on the number line?
a)
3 + -4
b)
-4 + 3
c)
7 + -4
d)
-4 + 7
2.
Use the number line to find the sum.
3 + (-12) =
a)
-9
b)
9
c)
-15
d)
15
3.
What equation is modeled?
a)
15 + 25 = -10
b)
15 + -25 = -10
c)
-10 + 15 = -10
d)
-25 + 15 = -10
4.
Look at the number line.
a)
–2 + 4 =  –2
b)
–2 + (–4) =  –6
c)
4 + (–6) =  –2
d)
4 + (–2) =  6
5.
Match the integer addition problem with the graph.
a)
4 + (-5) = -1
b)
-5 + 4 = -1
c)
4 + (-5) = 0
d)
None of these
6.
Match the integer addition problem with the graph.
a)
6 + (-2) = 6
b)
-2 + 6 = 0
c)
6 + (-2) = 4
d)
None of these.
7.
What equation is modeled?
a)
7 + -6 = -6
b)
7 + -13 = -6
c)
7 + -14 = -6
d)
-6 + -14 = -6
8.
What equation is modeled?
a)
-7 + 8 =1
b)
-7 + 9 = 1
c)
1 + -7 = -7
d)
8 + -7 = 1
9.
What equation is modeled?
a)
6 + -6 = -6
b)
-6 + 6 = 12
c)
6 + -12 = -6
d)
-12 + 6 = -6
10.

Which expression is represented by this model?

a)

-7 + 7

b)

-7 + 10

c)

-7 + 3

d)

-7 + 0

11.
What needs to be added to get to the circled answer
a)
10
b)
-10
c)
-17
d)
17
12.
What is the expression for the number line?
a)
6 + (-3)
b)
(-3) + 6
c)
6 + (-9)
13.
Which addition equation matches the problem modeled below?
a)
-6 + (-9) = 3
b)
-6 + 9 = 3
c)
-6 + 3 = 9
d)
9 + (-3) = -6
14.
Which addition expression matches the problem shown on the number line?
a)
3 + -4
b)
-4 + 3
c)
7 + -4
d)
-4 + 7
15.
Use the number line to find the sum.
3 + (-12) =
a)
-9
b)
9
c)
-15
d)
15
Answer Key

Adding Integers w/ Number Lines

Total questions: 15

1.
d) -4 + 7
2.
a) -9
3.
b) 15 + -25 = -10
4.
c) 4 + (–6) =  –2
5.
b) -5 + 4 = -1
6.
c) 6 + (-2) = 4
7.
b) 7 + -13 = -6
8.
a) -7 + 8 =1
9.
c) 6 + -12 = -6
10.
b)

-7 + 10

11.
d) 17
12.
c) 6 + (-9)
13.
b) -6 + 9 = 3
14.
d) -4 + 7
15.
a) -9

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FAQs

What does the Adding Integers w/ Number Lines worksheet cover?

This Grade 7 worksheet covers adding integers by reading number-line models and translating them into addition expressions or equations. Its 15 multiple-choice items ask students to identify the starting integer, interpret the direction and distance of the movement, match a graph to an equation, and find the resulting sum.

How can I use this worksheet to teach adding integers with number lines?

First model one item by identifying the starting point, describing the movement as a positive or negative addend, and locating the endpoint. Then have students explain why an equation such as 6 + (−2) = 4 matches the corresponding graph before completing the remaining multiple-choice items independently or with a partner. Ask students to justify why each incorrect option does not represent the number-line movement.

What mistakes should I watch for when students complete this integer addition worksheet?

Watch for students reversing the starting value and the addend, choosing an equation with the correct numbers in the wrong order, or treating a move left as positive. Students may also select the distance moved instead of the endpoint, as in confusing 3 + (−12) with 9 or 15. Have them mark the starting point, direction, and final location before choosing an answer.

How do I assign and grade this Adding Integers w/ Number Lines worksheet?

On Wayground, you can assign this worksheet as a printable PDF or as a digital quiz, and it includes a complete answer key. For printable submissions, scan student work with the Wayground for Teachers app to support efficient grading. The PDF option can also help schools reduce screen time while students interpret the number-line models on paper.

How can I differentiate this number-line integer addition worksheet for my students?

Use the worksheet’s Advanced Settings to create an alternate version with medium or wide font spacing, a larger font size, or a dyslexia-friendly font so the number-line prompts and answer choices are easier to read. You can also translate the worksheet into another language while keeping its integer-addition and number-line format.

Where can I find more free worksheets from Wayground?

Wayground offers a broad collection of free printable worksheets and practice problems across subjects, with downloadable PDFs and answer keys to support essential skills and concepts. Browse more resources at https://wayground.com/en-us/worksheets.

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