Math 7 End of Year Review

Front

What is the formula to calculate the total cost when buying multiple items?

Back

Total Cost = (Cost per Item × Number of Items) + Delivery Fee

Front

If a bike is ridden at a constant speed, how can you determine the speed in kilometers per minute?

Back

Speed = Total Distance (in km) / Total Time (in minutes)

Front

What is the formula for calculating the volume of a rectangular prism?

Back

Volume = Length × Width × Height

Front

How do you calculate the probability of an event?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes)

Front

What is the formula to calculate distance traveled when speed and time are known?

Back

Distance = Speed × Time

Front

If a picture album has 50 pictures, how do you find the percentage of pictures showing a specific subject?

Back

Percentage = (Number of specific pictures / Total pictures) × 100%

Front

What is the significance of constant rate in motion problems?

Back

A constant rate means the speed does not change over time, allowing for straightforward calculations of distance and time.

Front

How do you find the total distance traveled when there are multiple segments of travel at different speeds?

Back

Calculate the distance for each segment separately and then sum them up.

Front

What does it mean for a probability to be greater than another?

Back

It means that the likelihood of the first event occurring is higher than that of the second event.

Front

How do you determine the total cost of an item including delivery?

Back

Add the cost of the items to the delivery fee.