8th Grade Math Problems and Solutions Worksheet

Instructions

Complete the following math problems. Show your work where applicable.

Part 1: Solve the Equations

1. Solve for x: 2x + 3 = 15

2. Solve for y: 4(y - 2) = 16

3. Solve for z: 5z/2 - 7 = 3

Part 2: Word Problems

1. A rectangle has a length that is 4 times its width. If the perimeter is 50 units, what are the dimensions of the rectangle?

2. If a train travels 60 miles per hour, how far will it travel in 3 hours?

Part 3: Data Analysis

Given the data set: 3, 7, 8, 12, 15, calculate the mean, median, and mode.

Mean:

Median:

Mode:

Part 4: Geometry

1. Calculate the area of a triangle with a base of 10 units and a height of 5 units.

2. What is the circumference of a circle with a radius of 3 units? Use π = 3.14.