Form 2 Unit 1 Lesson 5: The Calculator

Objective

At the end of the lesson, students should be able to:

• Use the calculator in solving operations such as addition, subtraction, multiplication, division, fractions, squares, square root, and index notation.
• Round a calculated answer to a given parameter.

 Calculators are certainly time-saving devices. For each of the questions on the table below, enter the example supplied and check the answer given using a calculator.