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mock algebra STAAR - Printable Mathematics Worksheets - Wayground

mock algebra STAAR

10 questions

8th - 8th Grade

Mathematics

Mock Algebra STAAR is a free printable Grade 8 mathematics worksheet that builds algebraic reasoning through 10 mixed-format questions. Students analyze equations of lines, determine the number of solutions, solve systems of equations, interpret a projectile-height model, calculate an unknown price, and identify function transformations, vertices, zeros, and values from graphs or representations. The worksheet includes three multiple-select questions, two math-response questions, two fill-in-the-blank items, one drag-and-drop item, one dropdown question, and one multiple-choice question. This varied format gives teachers practice material that resembles the range of responses students may encounter in algebra assessment. It is a free printable worksheet with a complete answer key for Grade 8 review, independent practice, intervention, or assessment preparation.

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Worksheets

mock algebra STAAR

Total questions: 10

Name
Class
Date
1.

Which statements are true?

Select all that apply.

a)

The equation of a line with a slope of 4 that passes through (1, 2) is

y=4x+2y=4x+2

b)

The equation of a line with a slope of -3 that passes through (1, 4) is

y=−3x+7y=-3x+7

c)

The equation of a line that passes through (0, 5) and (2, 9) is

2x−y=52x-y=5

d)

The equation of a line with a slope of 7 that passes through (3, 4) is

y−4=7(x−3)y-4=7\left(x-3\right)

2.

Which three equations have exactly one solution?

Select THREE correct answers.

​

a)

5x+8=5x−155x+8=5x-15

b)

3x+4=7x−13x+4=7x-1

c)

3(x−12)=4x−363\left(x-12\right)=4x-36

d)

2(x−1)+x=2x−72\left(x-1\right)+x=2x-7

e)

4(2x−5)−3x=5x−204\left(2x-5\right)-3x=5x-20

3.

Armando throws a ball upward. The height of the ball, in meters, t seconds after being thrown is modeled by

h(t)=8t−5t2+4.h\left(t\right)=8t-5t^2+4.

After how many seconds will the ball reach the ground?

4.

Rolando needs to solve the system of equations below

y = 2x - 4

3y = -x + 2

Choose the point that represents the solution to the systems of equations on the graph.

(a)  

5.

Danna graphs the function f(x)=x2f\left(x\right)=x^2 and g(x)=f(x−3).g\left(x\right)=f\left(x-3\right).

Choose the correct answer from each drop-down menu to complete the statement. The graph of g(x) is a ​

​ (a)   ​ (b)  

of the graph of f(x).

Choose from the below words
horizontal translation
3 units to the right
3 units to the left
vertical translation
horizontal reflection
vertical reflection
3 units above
3 units below
over the line y =-3
over the line x=-3
6.

Chris bought 3 slices of cheese pizza and 4 slices of mushroom pizza for a total cost of $12.50. Brittany bought 3 slices of cheese pizza and 2 slices of mushroom pizza for a total cost of $8.50. How many dollars does one slice of mushroom pizza cost?

(a)  

7.

Estrella graphs the function g(x)=x2g\left(x\right)=x^2 on a coordinate grid.

Which statements are true?

a)

The graph of 2g(x) is narrower than the graph of g(x).

b)

The graph of

g(x - 1 ) is 1 unit to the left of the graph of g(x).

c)

The graph of g(4x) is 4 units above the graph of g(x).

d)

The graph of

g(x) - 2 is 2 units below the graph of g(x).

8.

What is the vertex of the function f(x)=5x2+10x+4f\left(x\right)=5x^2+10x+4

on the grid?​ (a)  

Choose from the below words
(-1, -1)
(1, -1)
(-1, 1)
(0, 4)
9.

Given f(x)=x2−36,f\left(x\right)=x^2-36, which statement is true?

a)

The only zero, 6, can be found when

0=(x−6)(x−6).0=\left(x-6\right)\left(x-6\right).

b)

The only zero, 18, can be found when

0=(x−18)(x−18)0=\left(x-18\right)\left(x-18\right)

c)

The zeros, -6 and 6, can be found when

0=(x+6)(x−6)0=\left(x+6\right)\left(x-6\right)

d)

The zeros, -18 and 18, can be found when

0=(x+18)(x−18)0=\left(x+18\right)\left(x-18\right)

10.

A function is shown.

f(x)=7−4xf\left(x\right)=7-4x

What is the value of f(−5)?f\left(-5\right)?

Answer Key

mock algebra STAAR

Total questions: 10

1.
b)

The equation of a line with a slope of -3 that passes through (1, 4) is

y=−3x+7y=-3x+7

, d)

The equation of a line with a slope of 7 that passes through (3, 4) is

y−4=7(x−3)y-4=7\left(x-3\right)

2.
b)

3x+4=7x−13x+4=7x-1

, c)

3(x−12)=4x−363\left(x-12\right)=4x-36

, d)

2(x−1)+x=2x−72\left(x-1\right)+x=2x-7

3.

22

4.
(2,0), (2, 0)
5.
horizontal translation, 3 units to the right
6.
2.00, 2
7.
a)

The graph of 2g(x) is narrower than the graph of g(x).

, d)

The graph of

g(x) - 2 is 2 units below the graph of g(x).

8.
(-1, -1)
9.
c)

The zeros, -6 and 6, can be found when

0=(x+6)(x−6)0=\left(x+6\right)\left(x-6\right)

10.

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FAQs

What does the Mock Algebra STAAR worksheet cover?

This Grade 8 worksheet practices algebraic reasoning across linear equations, systems of equations, functions, and graphs. Its 10 questions use multiple-select, math-response, fill-in-the-blank, drag-and-drop, dropdown, and multiple-choice formats to have students identify line equations, determine system solutions, interpret transformations, and analyze vertices and zeros.

How can I use this worksheet to teach Grade 8 algebraic reasoning?

Use the worksheet after reviewing how slope and a point determine a line, then connect that work to solving systems by graphing or substitution. As students complete the transformation and graph-analysis items, ask them to explain whether a change affects the input or output and how that changes the graph. Finish by having students justify their selected answers and written responses using an equation, coordinate, or graph feature.

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

Watch for students substituting a point incorrectly when writing a line equation or choosing a system solution without checking both equations. In the transformation items, students may confuse changes inside a function, such as g(x - 1), with changes outside it, such as g(x) - 2, or reverse the direction of a horizontal shift. Students may also select a graph coordinate without reading the vertex or zeros accurately.

How do I assign and grade the Mock Algebra STAAR worksheet?

The worksheet is available as a printable PDF and as a digital quiz on Wayground, so you can assign the format that fits your Grade 8 algebra practice. It includes a complete answer key for the multiple-select, response, fill-in-the-blank, drag-and-drop, dropdown, and multiple-choice items. Printable submissions can be graded by scanning student work with the Wayground for Teachers app.

How can I differentiate this algebra worksheet for my students?

Use the worksheet’s Advanced Settings to adjust font spacing or font size so the equations, answer choices, and graph-based prompts are easier to follow. You can also enable a dyslexia-friendly font or translate the worksheet into another language when those options support access to the algebra content.

Where can I find more worksheets like this on Wayground?

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

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