NDSA Grade 8 Sample Practice Test
10 sample NDSA 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 8 and 5.
Show answer →Hide answer
Answer: √89
- 2
Expressions & Equations
Solve for x: 2x - 6 = 6
Show answer →Hide answer
Answer: x = 6
- 3
Functions
If f(x) = 5x + 4, what is f(5)?
Show answer →Hide answer
Answer: 29
- 4
Algebra Bridge
What is the slope of the line y = 4x + 3?
Show answer →Hide answer
Answer: 4
- 5
Real-World Applications
A bank account earns 7% simple interest per year on $1,000 for 5 years. How much interest is earned?
Show answer →Hide answer
Answer: $350
- 6
Statistics & Probability
A scatter plot shows a strong positive trend. What does this tell you about the relationship?
Show answer →Hide answer
Answer: As one variable increases, the other increases.
- 7
Number System
Is √2 rational or irrational?
Show answer →Hide answer
Answer: Irrational
- 8
Mathematical Reasoning
If a triangle has angles 50° and 60°, what is the third angle?
Show answer →Hide answer
Answer: 70°
- 9
Geometry
Find the hypotenuse of a right triangle with legs 7 and 9.
Show answer →Hide answer
Answer: √130
- 10
Expressions & Equations
Solve for x: 3x + 7 = 22.
Show answer →Hide answer
Answer: x = 5
Ready for the full NDSA Grade 8 skill set?
Briveli covers every grade 8 math skill on the NDSA — with adaptive difficulty and step-by-step explanations.
Start your 14-day free trialNo credit card · cancel anytime