7th Grade Math Fall Review

Front

What is the constant rate of change in a situation where a technician charges $77.25 for 3 hours of work?

Back

The constant rate of change is the charge per hour, which can be calculated as $77.25 ÷ 3 = $25.75 per hour.

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180°.

Front

What does it mean for two rectangles to be similar?

Back

Two rectangles are similar if their corresponding angles are congruent and the ratios of their corresponding sides are equal.

Front

How do you find the constant of proportionality in a relationship between distance and time?

Back

The constant of proportionality can be found by dividing the distance traveled by the time taken.

Front

What are the possible outcomes when rolling a number cube and flipping a coin?

Back

The possible outcomes are pairs of the number rolled (1-6) and the coin result (Heads or Tails).

Front

What is the formula to find the measure of the third angle in a triangle if two angles are known?

Back

The formula is x = 180 - (angle1 + angle2).

Front

What is the definition of congruent angles?

Back

Congruent angles are angles that have the same measure.

Front

What is the probability of rolling a number greater than 3 on a number cube?

Back

The probability is 3 out of 6, or 1/2, since the numbers greater than 3 are 4, 5, and 6.

Front

What is a proportional relationship?

Back

A proportional relationship is one where two quantities maintain a constant ratio.

Front

How do you calculate the total cost of a service based on hourly rates?

Back

Total cost = hourly rate × number of hours worked.