Student Test
40 Grade 8 questions across Number System, Expressions & Equations, Functions, Geometry, and Statistics & Probability.
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Free Grade 8 Math Diagnostic Test
Use this 40-question diagnostic to identify strengths and learning gaps across all five major Grade 8 mathematics domains before beginning cumulative revision.
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40 questions
Worked solutions
Printable PDF
Original GradeCove educational content. Common Core-aligned and independently published; not an official or endorsed Common Core assessment.
40questions
5math domains
2downloadable PDFs
Freeinstant access
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Student test, worked solutions, or the complete pack
Download the files separately or choose the complete ZIP to keep everything together.
Answer Key & Worked Solutions
Check answers and review the method used for each problem before planning follow-up practice.
Download Answer KeyComplete Diagnostic Pack
Get the student test and worked answer key together in one convenient download.
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Skills Assessed
Five major Grade 8 mathematics domains
Use the domain pattern to see whether weaknesses are concentrated in one area or spread across the curriculum.
NS
The Number System
Rational and irrational numbers and their representations.
EE
Expressions & Equations
Exponents, roots, scientific notation, slope, equations, and systems.
F
Functions
Representations, rate of change, initial value, and modeling.
G
Geometry
Transformations, similarity, Pythagorean reasoning, distance, and volume.
SP
Statistics & Probability
Scatter plots, lines of fit, two-way tables, and association.
How to Use It
Turn the result into a practical revision plan
1
Administer
Let the student work independently using the instructions printed on the test.
2
Score
Use the worked answer key to check responses and review the method.
3
Compare domains
Identify whether gaps are concentrated in NS, EE, Functions, Geometry, or Statistics & Probability.
4
Plan practice
Use the checklist or Complete Revision Pack to target weak domains and build cumulative confidence.