Slide 1 © T Madas Slide 2 Sometimes we have to round numbers What does rounding mean? Can you think of some examples? Slide 3 © T Madas 40 Rounding to the nearest 10 The…

Slide 1 © T Madas Slide 2 To convert a decimal into a percentage, you multiply the decimal by 100 0.3 x 100 30% 0.45 x 100 45% 0.05 x 100 5% 1.5 x 100 150% 4 x 100 400%…

Slide 1 © T Madas Slide 2 Mathematical and Technical Drawings Bottom Side (Left) Back Front Top Side (Right) Slide 3 © T Madas Front Top Side (Right) Mathematical and Technical…

Slide 1 © T Madas Slide 2 Find 7 x 0.1 = 7 x 1 10 = 7 = 0.7 Find 32 x 0.01 = 32 x 1 100 = 32 100 = 0.32 Find 1860 x 0.001 = 1860 x 1 1000 = 1860 1000 = 1.86 What is one…

Slide 1 © T Madas Slide 2 + = Slide 3 + + Slide 4 Slide 5 Slide 6 Now the denominators are different x2x2 x2x2 x2x2 x2x2 Slide 7 Now the denominators are different x3x3…