Difference between revisions of "2021 Mock AMC 8 Problems"

Revision as of 15:22, 16 October 2021

Problem 1

What is the value of $1-2+3-4+5-6+7-8+9$ ?

$\mathrm{(A)}\ 4 \qquad\mathrm{(B)}\ 5 \qquad\mathrm{(C)}\ 6 \qquad\mathrm{(D)}\ 7 \qquad\mathrm{(E)}\ 25$

Problem 2

Aaron has a rectangular yard measuring $4$ feet by $10$ feet. How many $2$ inch by $5$ inch rectangular bricks can he fit in his yard?

$\mathrm{(A)}\ 4 \qquad\mathrm{(B)}\ 12 \qquad\mathrm{(C)}\ 24 \qquad\mathrm{(D)}\ 72 \qquad\mathrm{(E)}\ 144$

Problem 3

Amy, Bob, Cassie, and Darren are on a camping trip. Each of them has $4$ choices for what they wear on day $1$ of the camping trip. How many different arrangements of what they wear are possible on day $1$ of the camping trip?

$\textbf{(A) } 16 \qquad \textbf{(B) } 32 \qquad \textbf{(C) } 64 \qquad \textbf{(D) } 256 \qquad \textbf{(E) 500}$

Problem 4

A rectangle with positive integer side lengths has area $2021$ . In how many ways is this possible?

$\textbf{(A) } 1 \qquad \textbf{(B) } 2 \qquad \textbf{(C) } 3 \qquad \textbf{(D) } 4 \qquad \textbf{(E) } 5$

@@ Line 23: / Line 23: @@
 ==Problem 4==
-A rectangle with nonnegative integer side lengths has area <math>2021</math>. In how many ways is this possible?
+A rectangle with positive integer side lengths has area <math>2021</math>. In how many ways is this possible?
 <math>\textbf{(A) } 1 \qquad \textbf{(B) } 2 \qquad \textbf{(C) } 3 \qquad \textbf{(D) } 4 \qquad \textbf{(E) } 5</math>

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