Open Up Resources - End of Unit 3 Review

Front

What is the formula to calculate percentage?

Back

Percentage = (Part / Whole) x 100

Front

How do you convert pounds to kilograms?

Back

To convert pounds to kilograms, multiply the weight in pounds by 0.45.

Front

If a swimmer takes 4 minutes to swim 5 laps, how do you find the time per lap?

Back

Time per lap = Total time / Number of laps.

Front

What is constant speed?

Back

Constant speed means the speed of an object does not change over time.

Front

How do you calculate speed?

Back

Speed = Distance / Time.

Front

What is the relationship between minutes and seconds?

Back

1 minute = 60 seconds.

Front

If a train travels 90 miles in 2 hours, what is its speed?

Back

Speed = 90 miles / 2 hours = 45 miles per hour.

Front

What does it mean to take a ratio?

Back

A ratio compares two quantities, showing the relative size of one quantity to another.

Front

How do you find the average of a set of numbers?

Back

Average = (Sum of all numbers) / (Total count of numbers).

Front

What is the difference between weight and mass?

Back

Weight is the force of gravity on an object, while mass is the amount of matter in an object.