Topic 7 Formative

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights or lengths to show the quantity of each category.

Front

What does it mean to collect data?

Back

Collecting data means gathering information or facts about a specific topic or question.

Front

How do you determine which day had the most hamburgers sold from a bar graph?

Back

You look for the tallest bar on the graph, which represents the day with the highest number of hamburgers sold.

Front

What is the purpose of a graph?

Back

The purpose of a graph is to visually display information so that it is easier to understand and compare data.

Front

What does it mean to compare numbers?

Back

To compare numbers means to look at two or more numbers to see which is greater, lesser, or if they are equal.

Front

How do you find the difference between two numbers?

Back

To find the difference, you subtract the smaller number from the larger number.

Front

What is a reasonable estimate?

Back

A reasonable estimate is a close guess of a number that makes sense based on the information given.

Front

What is the meaning of 'more than' in math?

Back

'More than' means to add to a number or to indicate that one number is greater than another.

Front

What is a tally chart?

Back

A tally chart is a way to record data using marks (tallies) to show how many times something occurs.

Front

What is the total number of items sold if 30 hamburgers were sold on Monday, 50 on Tuesday, and 20 on Wednesday?

Back

The total is 30 + 50 + 20 = 100 hamburgers.