This math chapter workbook on "Ratios" covers the foundational concept of ratios as a relationship between two quantities. Students are reminded that ratios can be expressed as a:b, a to b, or a/b. In this workbook, students will have problems interpreting and representing ratios in various contexts. Different ratio relationships are included such as part-to-part and part-to-whole. Teachers can emphasize the connection between ratios, fractions, and percentages.

For example, students might be given a ratio of 5 snow peas:2 snap peas in a box. If there are 25 snow peas in the box, how many snap peas are there? To solve it, recognize that 25 snow peas can be divided into 5 equal parts based on the given ratio; each part corresponds to one unit of the ratio. This results in 5 groups of 5 snow peas. Since the ratio of snow peas to snap peas (5:2) remains consistent, each equivalent group would have 2 snap peas. Therefore, multiplying the 5 groups by 2 gives 10 snap peas.