Over the past week, thousands of middle school students participated in this year’s AMC 8 Competition. Whether you took the AMC 8 at school or online, we hope it went well!
The last day of testing was January 23rd, so now the problems can be discussed! See below for an answer key for the 2023 questions as well as the concepts tested on each problem.
arithmetic: calculations and order of operations
geometry: symmetry and spatial reasoning
arithmetic: conversions and calculations
patterns and number sense
arithmetic: exponents and multiplication
algebra: slopes and graphs
logic and careful thinking
algebra: intervals and interpreting graphs
arithmetic: fractions and calculations
algebra: speeds, unit conversions, and estimations
geometry: circles, areas, and ratios
algebra: fractions, ratios, and equations
arithmetic: coins, sums, and careful thinking
algebra: motion, rates, and average speed
algebra and geometry: sequences, patterns, and symmetry
geometry: 3D geometry, nets, and spatial reasoning
arithmetic and number theory: products and counting
geometry: equilateral triangles, areas, and similar triangles
arithmetic: modes, medians, ranges, and statistics
counting and probability: counting, sums, and careful thinking
algebra and number theory: sequences and factoring
counting and probability: probability and cases
geometry and algebra: isosceles triangles, areas, and similar triangles
algebra: arithmetic sequences, cases, and ranges
Want full solutions? Dr. Wang reviews all 25 questions in his review video available for purchase by clicking here.
This year’s 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!
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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