STAAR Grade 8 Sample Practice Test
10 sample STAAR math questions written for grade 8. Try them now — answers reveal on click. No signup required.
- 1
Geometry
Find the hypotenuse of a right triangle with legs 5 and 10.
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Answer: √125
- 2
Expressions & Equations
Solve for x: 3x + 7 = 22.
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Answer: x = 5
- 3
Functions
If f(x) = 5x + 1, what is f(5)?
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Answer: 26
- 4
Algebra Bridge
What is the slope of the line y = 4x + 5?
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Answer: 4
- 5
Real-World Applications
A bank account earns 4% simple interest per year on $1,000 for 3 years. How much interest is earned?
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Answer: $120
- 6
Statistics & Probability
A scatter plot shows a strong positive trend. What does this tell you about the relationship?
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Answer: As one variable increases, the other increases.
- 7
Number System
Simplify: (4²)³.
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Answer: 4096
- 8
Mathematical Reasoning
If a triangle has angles 50° and 60°, what is the third angle?
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Answer: 70°
- 9
Geometry
Find the hypotenuse of a right triangle with legs 7 and 9.
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Answer: √130
- 10
Expressions & Equations
Solve for x: 3x - 7 = 11
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Answer: x = 6
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