Mathematical Concepts and Formulas

Miss Westberry guides students through a math tutorial, covering key concepts such as slope-intercept form, constant of proportionality, circle and triangle formulas, volume calculations, and unit conversions. She emphasizes the importance of understanding these concepts for the STAR test and provides strategies like the brain dump to help students succeed. The video also touches on probability and offers practical tips for solving math problems effectively.

What does the 'm' represent in the slope-intercept form equation y = mx + b?

• X-intercept

• Constant

• Y-intercept

• Slope

In the equation y = mx + b, what is the value of y when x is 0?

• y

• x

• b

• m

How do you calculate the constant of proportionality?

• Subtract x from y

• Multiply x by y

• Divide y by x

• Add x and y

Which formula is used to calculate the circumference of a circle when the diameter is given?

• πr²

• πd

• d/2

• 2πr

What is the formula for the area of a triangle?

• Base + Height

• 2 × Base × Height

• Base × Height / 2

• Base × Height

How do you calculate the volume of a prism?

• Base area × Height

• Base area + Height

• Base area / Height

• Base area - Height

What is the formula for simple interest?

• Principal + Rate + Time

• Principal × Rate × Time

• Principal / Rate / Time

• Principal - Rate - Time

How do you convert a fraction to a decimal?

• Divide the numerator by the denominator

• Subtract the denominator from the numerator

• Add the numerator and denominator

• Multiply the numerator by the denominator

What is the probability of rolling a 2 on a standard six-sided die?

• 1/3

• 1/2

• 1/4

• 1/6

How do you convert a decimal to a percentage?

• Divide by 100

• Divide by 10

• Multiply by 100

• Multiply by 10