Lesson 4
1. Lesson 4
1.6. Explore 5
Module 6: Measurement
In Share 3 you may have noticed that it is important to try to stay within a tolerance when different measuring tools give different readings. In this example, the speed tolerance can be written as 
km/h because you can legally drive at any speed between 0 and 25 km/h in that area. To make sure that your car is travelling within this speed limit, you could choose the highest measurement and keep this below 25 km/h. This means you would have to slow down the car.
Self-Check 3
Answer “Practise Your New Skills” questions 9 and 10 on pages 106 and 107. Answer
You have been practicing using tolerances in Self-Check 3. You will now practice precision and uncertainty in a variety of settings.
Self-Check 4
Answer “Practice Your New Skills” questions 5, 6, and 8 on page 106. Answer