Language, notation and formulas
Language, notation and formulas

This free course is available to start right now. Review the full course description and key learning outcomes and create an account and enrol if you want a free statement of participation.

Free course

Language, notation and formulas

2.3.1 Try some yourself

Activity 3

In the following two pieces of mathematical writing, remove or replace any inappropriate equals signs, and add link words and punctuation to help somebody else understand the mathematics.

  • (a)

  • (b) (3.2)2 = 10.24 = (8.5)2 = 72.25 = 10.24 + 72.25 = 82.49


The versions given below are not the only possibilities. You may have used other words, but check that you have written in whole sentences with full stops at the end.

  • (a)

  • (b)


For further information, take a look at our frequently asked questions which may give you the support you need.

Have a question?
Free Courses

OpenLearn has over 800 free courses across all our subjects designed by our academic experts. From 1 to 100 hours, introductory to advanced, you can start learning at any time and all for free.