A relation is given as a set of ordered pairs.
{(1, 4), (2, 7), (1, 9), (3, 4)}
Is this relation a function?
Choose an answer to see the worked solution.
Grade 8 practice covers the 14 standards NCDPI assesses at the three NC Check-Ins. The End-of-Grade test has 45 scored questions (15 without a calculator, 30 with one) across four domains: Functions; Geometry; Statistics and Probability; and The Number System, Expressions and Equations.
Where each part fits in the 2026-27 school year.
One download covers every step.
Full-year practice
345 items · 149 pages · 14 standards

Short names in our own words. See NCDPI’s NC Check-Ins 2.0 Mathematics Grades 3–8 Specifications for the official standard text.
Pick an answer to see the worked solution.
A relation is given as a set of ordered pairs.
{(1, 4), (2, 7), (1, 9), (3, 4)}
Is this relation a function?
Choose an answer to see the worked solution.
The angles of a triangle are (2x)°, (3x)° and (4x)°. What is the largest angle?
Choose an answer to see the worked solution.
A rideshare driver's fare data was collected only for trips between 1 and 20 miles. The equation of the line of best fit is y = 74x + 3.
A passenger asks the driver to predict the fare for a 12-mile trip and, separately, for an 800-mile trip. Which statement is most accurate?
Choose an answer to see the worked solution.
Assign each practice set as you teach its topics, then give the full-length practice test once everything has been taught.
No. Every item is original and aligned to the published standards. Nothing is copied from a state test, a released item or a reference sheet.