In this lesson you will:
review your understanding of indices
learn to rewrite negative indices as fractions
practise completeing operations with negative indices.
Look at the table in the embedded Google Slide.
Make a copy of the table using the button below and then complete it.
To finish the pattern column, you need to fill in what type of operation and by how much are we changing from one row to the next.
Click on the button to open a new tab and view the Google Doc.
Click on the Use Template button to create a copy for you to edit.
Use the table from Task 1 to complete the first part of the interactive, then work through the exercise.
When you get to the end, use the blue export text button to get a copy of your answers to submit to your teacher.
Watch the video, Negative exponents | Exponents, radicals, and scientific notation.
Use the information from the video and Task 1 and 2 to complete the activities.
Negative exponents | Exponents, radicals, and scientific notation
Duration: 7:13
Note: Remember any number to the power of zero is equal to 1.
You need to keep in mind that:
when dividing with two negative numbers, you will get a positive number
when dividing with one positive and one negative number, you will get a negative number.
Look at the worked example and then use the drag and drop interactive to demonstrate your understanding.
Watch the video, Multiplying & dividing powers (integer exponents).
Use information from the video to complete the two question sets below.
Answer all questions in your exercise book or folder.
Don't forget to show all your working!
Multiplying & dividing powers (integer exponents)
Duration: 4:23
Question set 1
Multiply the negative indices below, putting your final answer in fraction form.
Question set 2
Divide the negative indices below, putting your final answer in fraction form if your answer has a negative exponent.
Need some help? Head to Lesson 3 - The laws of indices for a refresh on indices.
Don't forget to hand in the work you completed today!
Your teacher will have told you to do one of the following:
Upload any digital documents you created and any photos you took of your written work to your Learning Management system (MS Teams, Google Classroom for example).
Email any digital documents you created and any photos you took of your written work to your teacher.
Make sure you keep any hand written work you did in your exercise book or folder as your teacher may need to see these when you are back in class.