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Grade 8 Relations and Functions Worksheets

Relations and functions are completely new topics, but at the same time, some of the most important topics in grade 8. Relations and functions define a mapping between the elements of two sets that have an input and an output. They are represented using ordered pairs of the form (input, output). A relation in math is a set of ordered pairs that define the relationship between two sets. On the other hand, a function is a special type of relation in which each input only has one output. That means all functions are relations, but all relations are not functions. 

Relations and functions have some similarities and differences. But to understand and to easily tell them apart, students need practice. Practicing problems from the grade 8 relations and functions worksheets gives students an opportunity to understand the concept in detail. 

But before students proceed with practicing problems from the worksheet, they need to recollect the key points of the chapter. Students can get a quick recap from the following articles:

This page explains the concept of relations and functions and the differences between them with the help of some examples. 

Benefits of Grade 8 Relations and Functions Worksheets

There are a few grade 8 worksheets based on the chapter ‘Relations and Functions’. The difference between these worksheets is the difficulty level of the problems in them. The benefits of each worksheet are mentioned below:

  • Grade 8 Relations and Functions Worksheet (Easy)

The problems in this worksheet are generally easy. This worksheet aims at the fundamental concepts discussed in the chapter. Hence, solving these problems will help students understand the basic concepts thoroughly.

  • Grade 8 Relations and Functions Worksheet (Medium)

The problems in the worksheet go a step further in terms of difficulty level. Students will be able to prepare themselves for facing advanced problems based on the concept by solving problems in the worksheet. 

  • Grade 8 Relations and Functions Worksheet (Hard)

The problems in this worksheet are more challenging than the problems in the previous two types of worksheets. These problems make students think deeply, allowing them to master the concept.

Printable PDFs and Online Worksheets 

BYJU’S Math offers two types of worksheets on relations and functions: printable worksheets and online worksheets. The printable worksheets are suitable for students who prefer the pen-and-paper method, and the online worksheets are suitable for students who want to solve problems online.

Frequently Asked Questions

Functions are special types of relations that follow a particular set of rules. So, a relation can be a function if it follows these rules. In other words, all relations are not functions. But all functions are relations.

A relation relates an input to an output. If every input of a relation has exactly one output, the relation is a function. As a result, all functions are relations, but not all relations are functions.

A function is a relation in which each input corresponds to one and only one output. Even if one output corresponds to 2 inputs, but if each input corresponds to only one output, then the relation is still a function.

The grade 8 relations and functions worksheets as printable PDFs are not linked to a time limit. Students can solve the printable worksheets at their own pace. Only online worksheets have a timer, but that is just to give students an idea about the quantity of time they spend on each question.

Yes, there are three types of worksheets on the same topic. The main difference between the problems in these worksheets is the difficulty level of each question.