Mathematics 1 ESO – Unit 7 THE METRIC SYSTEM extra activities
1 – Watch the video on “Metric System – explained simply” and answer:
- a) When, where and what did Gabriel Mouton invent?
- b) What are the basic units?
- c) What is a metre?
- d) Why are the units very easy to work with?
- e) What is a metre multiplied by a thousand?
- f) What is a metre divided by a thousand?
- g) What are the SI units for timing, electrical current and temperature?
2 – Watch the video on “Metric unit conversion” and answer:
- a) How do we convert from grams to milligrams?
- b) How many grams are 2.6 kilograms?
- c) How many mg are 1.2 kg?
- d) How do we convert from micrograms to milligrams?
- e) How many milligrams are 6000 micrograms?
- f) How many g are 350 mcg?
3 – Watch the video on “Intro to the Metric System” and answer:
- a) What is an unit of measurement?
- b) What is the difference between a decimetre and a centimetre?
- c) What happens in the metric system if we shift the decimal point one position to the right?
- d) How many positions do we have to shift the decimal point to convert from mg to g? In what direction?
