Slope & Rate of Change - Worksheet 6 - 8th Grade

Medium

Calculate and interpret slope as a rate of change (Medium)

22 problems · 20-25 minutes · Skills: slope, rate of change, linear functions

About This Worksheet

This medium-level worksheet contains 22 problems designed for 8th Grade students practicing slope & rate of change. Medium worksheets introduce larger numbers and varied question formats to deepen understanding and build fluency.

Slope is one of the most powerful and versatile concepts in mathematics. It describes speed in physics, growth in biology, and return on investment in finance. Interpreting slope in context builds the mathematical modeling skills central to all STEM fields.

  • Calculate slope using the formula (y₂ − y₁)/(x₂ − x₁)
  • Interpret slope as a rate of change with appropriate units
  • Compare rates of change across different representations
  • Determine whether a slope is positive, negative, zero, or undefined from a graph
  • Compute slope from a table by finding the ratio of change in y to change in x

How to Solve: Worked Example

Example Problem: Solve the first problem on the worksheet.
Solution Steps:
  1. Read the problem carefully.
  2. Identify what is being asked.
  3. Use what you know to find the answer.
  4. Check your work.
Answer: See the answer key below
Tip: Take your time and read each problem carefully before answering!
1
3 + 2 =
2
10 + 8 =
3
10 + 5 =
4
8 + 1 =
5
10 + 8 =
6
4 + 8 =
7
3 + 9 =
8
7 + 9 =
9
4 + 5 =
10
2 + 4 =
11
4 + 2 =
12
5 + 10 =
13
5 + 6 =
14
10 + 3 =
15
3 + 3 =
16
10 + 8 =
17
3 + 5 =
18
8 + 10 =
19
3 + 5 =
20
4 + 4 =
21
9 + 2 =
22
5 + 10 =

Answer Key

1. 52. 183. 154. 95. 186. 127. 128. 169. 910. 611. 612. 1513. 1114. 1315. 616. 1817. 818. 1819. 820. 821. 1122. 15

Frequently Asked Questions

How do I download this slope & rate of change - worksheet 6 worksheet?

Click the "Download PDF / Print" button at the top of the worksheet. You can save it as a PDF or print it directly. The answer key will be on a separate page.

How do I find worksheets at different difficulty levels?

Each subtopic has 10 worksheets: Worksheets 1-3 are Easy, 4-7 are Medium, and 8-10 are Hard. Start with Easy worksheets to build confidence, then progress to harder ones.

What skills does this functions worksheet cover?

This worksheet focuses on slope, rate of change, linear functions. It is designed for 8th Grade students and provides structured practice through varied problem types with a worked example to guide students before they begin.

Can I use this worksheet in my classroom?

Yes. All worksheets on K12Worksheets are free for classroom use. You can print copies for your entire class. With 10 worksheets per subtopic at three difficulty levels, you have plenty of options for differentiated instruction and individualized practice.

How many problems are on this worksheet?

This worksheet contains 22 problems. It typically takes 20-25 minutes to complete. An answer key with all solutions is included so parents and teachers can check work quickly.