STAAR Review Math 6.5B and 6.6C

Front

What is the formula to find the total number of students if 30% of them participated in an event and 36 students participated?

Back

Total Students = Participated Students / Percentage = 36 / 0.30 = 120.

Front

What does the equation y = 12x represent in a real-world context?

Back

It represents a situation where y is 12 times the value of x, such as Victoria having y dollars, which is 12 times the amount her brother has.

Front

How do you determine the relationship between two variables in a graph?

Back

You can find the equation that relates the two variables by identifying the pattern in the graph, such as y = 25x for points earned based on balloons popped.

Front

If 6 books cost $45, how do you find the cost of one book?

Back

Cost of one book = Total Cost / Number of Books = $45 / 6 = $7.50.

Front

What is the weight of an object on Jupiter if it weighs 30.5 pounds on Earth?

Back

Weight on Jupiter = Weight on Earth * 240% = 30.5 * 2.4 = 73.2 pounds.

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100, often used to compare proportions.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide by 100. For example, 30% = 0.30.

Front

What is a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What does the slope in a linear equation represent?

Back

The slope represents the rate of change between the two variables, indicating how much y changes for a unit change in x.

Front

What is the meaning of 'proportional relationship'?

Back

A proportional relationship is when two quantities increase or decrease at the same rate, represented by a constant ratio.