Chapter 4: Bar Models/Problem-Solving

Front

What is a bar model?

Back

A bar model is a visual representation used to solve math problems, showing quantities as bars to help understand relationships between numbers.

Front

How do you find the total number of items when given two quantities?

Back

You add the two quantities together.

Front

If Maria makes 157 bookmarks and Joan makes 29 fewer, how many bookmarks does Joan make?

Back

Joan makes 128 bookmarks.

Front

What operation would you use to find out how many more one quantity is than another?

Back

You would use subtraction.

Front

If the girls have 151 gold stars and the boys have 23 fewer, how many gold stars do the boys have?

Back

The boys have 128 gold stars.

Front

What is the first step in solving a problem with a bar model?

Back

Identify the quantities represented by the bars.

Front

When solving a problem, what does it mean to 'add'?

Back

To add means to combine two or more quantities to find a total.

Front

What does 'fewer' mean in math problems?

Back

'Fewer' means a smaller amount or number.

Front

If you see a bar model with two bars, one representing boys and one representing girls, what can you do?

Back

You can compare the two quantities to find out how many more or fewer one group has.

Front

What is the total of 157 and 128?

Back

The total is 285.