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Objective: Term 2 Unit 1 (Number) Add or subtract unlike fractions including mixed numbers with or without renaming. Write and solve worded problems which require decimal computations
(1) A classroom has 42 children 5/7 of the children in the class are girls. How many boys are in the class.
(2)Write a fraction to represent the total number of boys in the class.
(3) Mr. Harry owns a pig, a goat and a chicken. The information below shows how much grass these animals eat a day.
(a)How many Kilograms of grass should Mr.Harry buy to feed his three animals for 30 days?
(b) If the grass cost is $135.50 per kilogram, how much will the 30 day supply of the grass cost?
(4) The school playfield in your school is rectangular in shape. The area is 312 metre square and its width is 12 metres.
(a) How much metres is the length of the plafield ?
(b) What is the perimeter of the playfield ?
(c) The schoolboard needs to fence the playfield, the cost per metre to fence it is $ 9.60 . How much money would they need ?