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

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

4. 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 / 10 75 / 100 12 5 / 1000 17 5 / 1000 2. Simplify a) 3 / 4 + 2 / 3 + 5 / 12 b ) 2 3 / 5 + 4 7 / 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 / 7 1 5 / 6 7 11 / 60 1 29 / 35 2 2 / 175 0.09 0.7 0.428671.

5. Back Questions 1. Express these terminating decimals as fractions a) 0.7 b) 0.43 c) 0.26 d) 0.283 e) 0.453... 2. 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 / 9 4 3 / 99 2 4 / 90 2 81 / 990 4 49 / 990 3 9 1 7 2 45 a6 3 4 1 0 6 mm - n 1

6. 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 ) 4 0 + 5 0 k ) 4 -1 l ) 3 -3 m ) 49 n) 1000 5. A cube has a volume of 17 576 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 / 3 32 81 4/ 9 3 9 1 / 16 8 1 8 1 3 2 1/ 4 1 / 27 7 1 00 side = 26 cm, SA = 4056 cm 2 775 m 11.34

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