Math Essentials

Question What is the value of $7 + 5 \times 2$? tap to flip ↻ Answer $17$ Question What is the value of $(7 + 5) \times 2$? tap to flip ↻ Answer $24$ Question What is the value of $3^2 + 4^2$? tap to flip ↻ Answer $25$ Question What is the value of $\sqrt{81}$? tap to flip ↻ Answer $9$ Question What is the value of $|-7|$? tap to flip ↻ Answer $7$ Question What is the value of $2^3 \times 2^2$? tap to flip ↻ Answer $2^5 = 32$ Question What is the value of $\frac{2}{3} + \frac{1}{4}$? tap to flip ↻ Answer $\frac{11}{12}$ Question What is the value of $\frac{3}{5} \times \frac{10}{9}$? tap to flip ↻ Answer $\frac{2}{3}$ Question What is the value of $\frac{3}{4} \div \frac{2}{5}$? tap to flip ↻ Answer $\frac{15}{8}$ Question Convert $0.75$ to a fraction in simplest form. tap to flip ↻ Answer $\frac{3}{4}$ Question Convert $\frac{2}{5}$ to a decimal. tap to flip ↻ Answer $0.4$ Question Convert $0.6$ to a percentage. tap to flip ↻ Answer $60\%$ Question Convert $45\%$ to a decimal. tap to flip ↻ Answer $0.45$ Question What is $15\%$ of $200$? tap to flip ↻ Answer $30$ Question If a shirt costs $\$40$ and is on sale for $25\%$ off, what is the sale price? tap to flip ↻ Answer $\$30$ Question Solve for $x$: $2x + 5 = 13$. tap to flip ↻ Answer $x = 4$ Question Solve for $x$: $3(x - 2) = 9$. tap to flip ↻ Answer $x = 5$ Question Simplify: $2a + 3a - a$. tap to flip ↻ Answer $4a$ Question Expand: $2(x + 3)$. tap to flip ↻ Answer $2x + 6$ Question What is the slope of the line passing through $(1, 2)$ and $(3, 6)$? tap to flip ↻ Answer $2$ Question What is the area of a rectangle with length $8$ cm and width $5$ cm? tap to flip ↻ Answer $40$ cm$^2$ Question What is the perimeter of a square with side length $6$ cm? tap to flip ↻ Answer $24$ cm Question What is the area of a triangle with base $10$ cm and height $6$ cm? tap to flip ↻ Answer $30$ cm$^2$ Question What is the circumference of a circle with radius $7$ cm? (Use $\pi \approx \frac{22}{7}$) tap to flip ↻ Answer $44$ cm Question What is the area of a circle with radius $7$ cm? (Use $\pi \approx \frac{22}{7}$) tap to flip ↻ Answer $154$ cm$^2$ Question What is the Pythagorean theorem? tap to flip ↻ Answer $a^2 + b^2 = c^2$, where $c$ is the hypotenuse of a right triangle. Question In a right triangle, if the legs are $3$ and $4$, what is the hypotenuse? tap to flip ↻ Answer $5$ Question What is the sum of the interior angles of a triangle? tap to flip ↻ Answer $180^\circ$ Question What is the mean of the numbers $2, 4, 6, 8, 10$? tap to flip ↻ Answer $6$ Question What is the median of the numbers $3, 7, 5, 9, 1$? tap to flip ↻ Answer $5$ Question What is the mode of the numbers $2, 3, 3, 5, 7$? tap to flip ↻ Answer $3$ Question What is the probability of rolling a $4$ on a fair six-sided die? tap to flip ↻ Answer $\frac{1}{6}$ Question What is the probability of rolling an even number on a fair six-sided die? tap to flip ↻ Answer $\frac{1}{2}$ Question What is the value of $5!$ (5 factorial)? tap to flip ↻ Answer $120$ Question What is the next prime number after $7$? tap to flip ↻ Answer $11$ Question What is the greatest common divisor (GCD) of $12$ and $18$? tap to flip ↻ Answer $6$ Question What is the least common multiple (LCM) of $4$ and $6$? tap to flip ↻ Answer $12$ Question Solve for $x$: $\frac{x}{3} = 7$. tap to flip ↻ Answer $x = 21$ Question What is the value of $\frac{1}{2} + \frac{1}{3}$? tap to flip ↻ Answer $\frac{5}{6}$ Question What is the value of $0.25 \times 4$? tap to flip ↻ Answer $1$