From January 22nd – 28th, 2025 thousands of middle school students participated in this year’s AMC 8 Competition. Hope the exam went well for all students who competed!
Since testing is over, we can now discuss the problems! See below for an answer key for the 2025 questions as well as the concepts tested on each problem.
1
B
geometry: areas and patterns
2
B
arithmetic and number theory: place values
3
C
arithmetic and word problems
4
B
arithmetic: arithmetic sequences and patterns
5
C
geometry: coordinates and (Taxicab) distances
6
C
number theory and arithmetic: remainders and multiples
7
D
arithmetic: inequalities, percentages, and careful thinking
8
A
geometry: cubes, surface area, nets, and volume
9
B
arithmetic: averages and patterns
10
D
geometry: rectangles, rotations, and areas
11
C
logic and geometry: cases, symmetry, and careful thinking
12
C
geometry: circles, Pythagorean theorem, and areas
13
A
number theory: remainders patterns, and bar graphs
14
E
algebra: means/averages and medians
15
C
geometry and arithmetic: symmetry and maximums and minimums
16
C
arithmetic: logic and careful thinking
17
D
arithmetic: fractions and interpreting graphs/diagrams
18
B
geometry: squares, circles, and areas
19
D
algebra: motion (speed times time equals distance)
20
A
algebra: geometric series
21
A
logic and arithmetic: cases, graphs, and careful thinking
22
D
algebra and number theory: equations, factoring, and number of factors
23
B
number theory and algebra: perfect squares, difference of squares, and prime numbers
24
E
geometry and number theory: trapezoids, special triangles, and Diophantine equations
25
B
counting and probability: counting paths, symmetry, pairing, and area
AMC 8 problems are available on the ZIML site by clicking here (either as a Mock Exam or PDF). While you’re there, check out the Daily Magic Spells and Monthly Contests for extra practice!
Looking for ways to improve on AMC 8? Areteem Institute has programs to help. Check out our offerings at programs.areteem.org.
The AMC 8 exam is administered by the Mathematical Association of America (MAA). For general information about the AMC 8, click here.
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