There are 645 students at Tech Middle School, and 20% of the students are th graders, How rising
Students are 7th graders? ?

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups

There are 8 movies that you would like to see currently showing in theatres. in how many different ways can you choose a movie to see this saturday and one to see this sunday?