8th Grade Math Worksheets with Answers

Are you an 8th-grade student looking for math worksheets that cover a variety of topics and provide answers for easy checking? Look no further! In this blog post, we will explore a collection of 8th-grade math worksheets that are designed to strengthen your understanding of crucial mathematical concepts. Whether you need practice with algebraic equations, geometry problems, or data analysis, these worksheets are here to support your learning journey.

  8th Grade Math Worksheets

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  8th Grade Math Practice Worksheets

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  8th Grade Math Study

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  8th Grade Math Equations Worksheets

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  6th Grade Math Problems Worksheets

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  6th Grade Math Worksheets Integers

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  8th Grade Math Worksheets Printable

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  Algebra 1 Radicals Worksheet

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  7th Grade Math Worksheets Algebra

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  Math Number Sentences Worksheets

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  Math Diagram 5th Grade

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  Exponents

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  Special Right Triangles Worksheet Answers

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  7th Grade Math Algebra Equations Worksheets

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  Two-Step Equation Word Problems Worksheets

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  7th Grade ROOT-WORDS Worksheets

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  Algebra 2 Chapter 1 Worksheet

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  Adding and Subtracting Integers Worksheet

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What is the value of 'x' in the equation 3x + 5 = 17?

The value of 'x' in the equation 3x + 5 = 17 is x = 4.

Simplify the expression: 4(3x - 2) + 5x = 10

To simplify the expression, distribute the 4 to both terms inside the parentheses: 12x - 8 + 5x = 10. Combine like terms by adding 12x and 5x to get 17x. Then, add -8 to 10 to get 2. Therefore, the simplified expression is 17x = 18.

Calculate the area of a rectangle with length 8 cm and width 5 cm.

The area of a rectangle is calculated by multiplying its length by its width. In this case, the length is 8 cm and the width is 5 cm, so the area of the rectangle is 8 cm x 5 cm = 40 square cm.

Solve the equation 2/3(x + 4) = 10.

To solve the equation 2/3(x + 4) = 10, first distribute the 2/3 to both terms inside the parentheses, which gives (2/3)x + 8/3 = 10. Then subtract 8/3 from both sides to isolate (2/3)x, yielding (2/3)x = 22/3. Finally, multiply both sides by 3/2 to solve for x and get x = 11.

Find the value of 'y' in the equation 2y/5 = 6.

To find the value of 'y' in the equation 2y/5 = 6, you would first multiply both sides of the equation by 5 to get rid of the denominator. This simplifies to 2y = 30. Then, divide both sides by 2 to isolate 'y', resulting in y =15. Thus, the value of 'y' in the equation is 15.

Expand and simplify the expression: (3x + 2)(2x - 5).

To expand and simplify the expression (3x + 2)(2x - 5), you will first multiply each term in the first bracket by each term in the second bracket: 3x * 2x = 6x^2, 3x * -5 = -15x, 2 * 2x = 4x, and 2 * -5 = -10. Then combine like terms: 6x^2 - 15x + 4x - 10 = 6x^2 - 11x - 10. So, the simplified expression is 6x^2 - 11x - 10.

Solve the inequality 3x - 7 > 14.

To solve the inequality 3x - 7 > 14, we first add 7 to both sides to isolate the variable: 3x - 7 + 7 > 14 + 7 which simplifies to 3x > 21. Next, we divide by 3 on both sides to solve for x: 3x/3 > 21/3 giving x > 7. Therefore, the solution to the inequality 3x - 7 > 14 is x > 7.

Find the mean of the following set of numbers: 5, 10, 15, 20, 25.

To find the mean of a set of numbers, you add all the numbers together and then divide by the total number of values. In this case, the sum of 5, 10, 15, 20, and 25 is 75. Dividing 75 by 5 (the total number of values) gives you a mean of 15. Therefore, the mean of the set of numbers is 15.

Simplify the expression: 5(x + 3) - 2(x - 4).

To simplify the expression 5(x + 3) - 2(x - 4), first apply the distributive property by multiplying the numbers outside the parentheses by the terms inside the parentheses. This gives you 5x + 15 - 2x + 8. Combining like terms, you get 3x + 23 as the simplified expression.

Calculate the circumference of a circle with radius 4 cm.

The circumference of a circle can be calculated using the formula 2?r, where r is the radius. Thus, for a circle with radius 4 cm, the circumference would be 2?(4) = 8? cm, which is approximately 25.13 cm.