Mathematics 2 ESO – Unit 2 RATIONAL NUMBERS extra activities
1 – Watch the video on “Dividing Fractions” and complete the sentence / solve:
- a) Dividing fractions it the same as ______________________________________.
- b) To find the reciprocal of a fraction, we flip the _____________ by the _____________.
- c) Solve:
- I) 3/5 / 1/2
- II) 3/5 / -4/3
- III) -3/5 / 5/2
2 – Watch the video on “How to do Long Multiplication with Decimals” and answer:
- a) Why don’t we have to “line up” the decimals?
- b) What is the “place holder”?
- c) Solve by “long multiplication”:
- I) 3.12 · 1.2
- II) 25.1 · 5
- III) 12.832 · 0.1