Warm up Notes Preliminary Activity Activit y For Fun Fractions, Decimals and Powers and Roots

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No notes today, far too easy, you should know this stuff

Back Questions 1. Express these fractions with a denominator that is a power of 10 a) 4 / 5 b ) 3 / 4 c ) 1 / 8 d ) 7 / 40 8 / / / / Simplify a) 3 / / / 12 b ) 2 3 / / 12 c ) 3 1 / 5 ÷ 1 3 / 4 d ) 8 12 / 15 ÷ 1 3 / 4 ÷ 2 1 / 2 3. Write each fraction as a decimal a) 1 / 11 b ) 7 / 9 c ) 3 / / / / /

Back Questions 1. Express these terminating decimals as fractions a) 0.7 b) 0.43 c) 0.26 d) e) Express these products in index form a) 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 b) 17 x 17 c) 4 3 x 4 2 d ) a x a 5 3. Write these divisions in index form a) 3 6 ÷ 3 2 b ) 10 7 ÷ 10 c)b m ÷ b n d ) f a ÷ f a 7 / / / / / a mm - n 1

Back 4. Evaluate (as either whole numbers or fractions) a) 2 5 b ) 3 4 c ) ( 2 / 3 ) 2 d ) (2 1 / 2 ) 4 e ) 3 6 ÷ 3 2 f ) 8 3 ÷ 8 2 h ) 4 0 i ) 3 x 6 0 j ) k ) 4 -1 l ) 3 -3 m ) 49 n) A cube has a volume of cm 3. Find the side length of the cube and its surface area. 6. The dimensions of a rectangular field are 744 m by 217 m. Find the diagonal distace across the field. 7. If n = find n when a = 4.62, b = 7.38 and c = 5.66, to two decimal places. 1 / 2 2 / / / / 4 1 / side = 26 cm, SA = 4056 cm m 11.34

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