© T Madas. Sometimes we have to round numbers What does rounding mean? Can you think of some examples?
© T Madas. 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%
© T Madas. Mathematical and Technical Drawings Bottom Side (Left) Back Front Top Side (Right)
© T Madas. 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.
© T Madas. + = + + Now the denominators are different x2x2 x2x2 x2x2 x2x2.