Pre-Algebra Review

$$2\frac{1}{4}\cdot3\frac{1}{5}$$

$$\frac{3}{5}\div5$$

$$2.5\left(0.8\right)$$

(a)  

$$2.2\div0.1$$

(a)  

Maya reads 20 books in 4 months. Mason reads 14 books in 2 months. Who reads more per month? How much more?

Tony buys a sweatshirt that is on sale for 20% off. The original price was $48. What is the sale price?

(a)  

In a box of snacks, 5/8 of the snacks are chips, 1/4 of the snacks are granola bars, and the rest are pretzels. What fraction of the snacks are pretzels?

The area of a triangle is 48 square inches. If the base is 12 inches, what is the height?

Find the surface area.

Sam spins a spinner and flips a coin. Make a list of outcomes. What is the probability of spinning red and flipping heads?