![\"Students](\"https:\/\/areteem.org\/blog\/wp-content\/uploads\/2019\/11\/AMC-8-Participants.jpg\")
<\/a>The last day of testing was November 18th, so now the problems can be discussed! See below for an answer key for the 2019 questions as well as the concepts tested on each problem.<\/p>\n\n\n\n
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1<\/strong><\/div>\n
D<\/strong><\/div>\n
arithmetic<\/div>\n<\/div>\n
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2<\/strong><\/div>\n
E<\/strong><\/div>\n
geometry: areas<\/div>\n<\/div>\n
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3<\/strong><\/div>\n
E<\/strong><\/div>\n
arithmetic: fractions and orderings<\/div>\n<\/div>\n
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4<\/strong><\/div>\n
D<\/strong><\/div>\n
geometry: areas and Pythagorean theorem<\/div>\n<\/div>\n
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5<\/strong><\/div>\n
B<\/strong><\/div>\n
algebra: motion and graphs<\/div>\n<\/div>\n
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6<\/strong><\/div>\n
C<\/strong><\/div>\n
counting & probability: probability and geometric lines of symmetry<\/div>\n<\/div>\n
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7<\/strong><\/div>\n
A<\/strong><\/div>\n
arithmetic: averages<\/div>\n<\/div>\n
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8<\/strong><\/div>\n
E<\/strong><\/div>\n
arithmetic: percentages<\/div>\n<\/div>\n
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9<\/strong><\/div>\n
B<\/strong><\/div>\n
geometry: volumes and ratios<\/div>\n<\/div>\n
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10<\/strong><\/div>\n
B<\/strong><\/div>\n
arithmetic: means and medians<\/div>\n<\/div>\n
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11<\/strong><\/div>\n
D<\/strong><\/div>\n
counting & probability: sets and Venn diagrams<\/div>\n<\/div>\n
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12<\/strong><\/div>\n
A<\/strong><\/div>\n
geometry: visualizing 3D shapes<\/div>\n<\/div>\n
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13<\/strong><\/div>\n
A<\/strong><\/div>\n
number theory: palindromes<\/div>\n<\/div>\n<\/div>
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14<\/strong><\/div>\n
C<\/strong><\/div>\n
number theory: patterns and days of the week<\/div>\n<\/div>\n
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15<\/strong><\/div>\n
B<\/strong><\/div>\n
counting & probability: sets<\/div>\n<\/div>\n
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16<\/strong><\/div>\n
D<\/strong><\/div>\n
algebra: motion and average speed<\/div>\n<\/div>\n
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17<\/strong><\/div>\n
B<\/strong><\/div>\n
arithmetic: patterns<\/div>\n<\/div>\n
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18<\/strong><\/div>\n
C<\/strong><\/div>\n
counting and probability: parity and probability<\/div>\n<\/div>\n
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19<\/strong><\/div>\n
C<\/strong><\/div>\n
counting and probability and logic<\/div>\n<\/div>\n
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20<\/strong><\/div>\n
D<\/strong><\/div>\n
algebra: square roots<\/div>\n<\/div>\n
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21<\/strong><\/div>\n
E<\/strong><\/div>\n
algebra and geometry: lines and triangle areas<\/div>\n<\/div>\n
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22<\/strong><\/div>\n
E<\/strong><\/div>\n
algebra: percent increase and decrease<\/div>\n<\/div>\n
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23<\/strong><\/div>\n
B<\/strong><\/div>\n
number theory: LCM and remainders<\/div>\n<\/div>\n
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24<\/strong><\/div>\n
B<\/strong><\/div>\n
geometry: triangles and area ratios<\/div>\n<\/div>\n
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25<\/strong><\/div>\n
C<\/strong><\/div>\n
counting and probability: stars and bars<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n
Need to see all the solutions? Areteem’s Dr. Kevin Wang has you covered, solving all 25 problems and giving problem solving tips in a review video. Click here for more information and to purchase<\/a>. As a limited time offer, we’re giving the video out for free through social media. Check them out for instructions!<\/p>\n\n\n\n