7th Grade STAAR Math Review

Front

What is the constant of proportionality in a relationship between cost and weight?

Back

The constant of proportionality is the ratio of the cost to the weight, calculated as cost per unit weight.

Front

If two angles add up to 90 degrees, what are they called?

Back

Complementary angles.

Front

How do you calculate net worth?

Back

Net worth is calculated by subtracting total liabilities from total assets.

Front

What is the formula for simple interest?

Back

Simple Interest = Principal × Rate × Time.

Front

If Ashton needs $1.50 and has $0.75, how do you express the additional amount needed in terms of quarters?

Back

1.5 = 0.25q + 0.75.

Front

What is the value of x if two angles are complementary and one angle is 25 degrees?

Back

x = 65 degrees.

Front

What is the total amount to be paid back if you borrow $1200 at 8% simple interest for 2 years?

Back

$1392.

Front

What does it mean for two angles to be supplementary?

Back

Two angles are supplementary if their sum is 180 degrees.

Front

How do you find the total value of assets?

Back

Add up the value of all owned items, including cash, property, and investments.

Front

What is the formula to find the constant of proportionality from a cost and weight relationship?

Back

Constant of Proportionality = Cost / Weight.