数学科6年级校本工作纸P6 Mathematics Worksheets.pdf

基督教臻美黃乾亨小學暨初中學校 Pegasus Philip Wong Kin Hang Christian Primary School cum Junior Secondary School 臻美小學 07 08 年 數學 p6 數學科 6 年級校本工作紙 P6 Mathematics Worksheets Terminology make sure you know what they are Radius r Diameter d Pi 3 14 Circumference c 2 r or d Centre Points to Note When you draw the diameter of a circle make sure your line passes through the centre point of the circle Read your questions carefully be aware of what it is asking for radius or diameter 課題 Circles 編號 姓名 班別 已能掌握 基本達標 仍需努力 日期 基督教臻美黃乾亨小學暨初中學校 Pegasus Philip Wong Kin Hang Christian Primary School cum Junior Secondary School 臻美小學 07 08 年 數學 p6 Part A Part B Measure and fill in the table Round your answers to the tenth when necessary 1 2 3 4 1 2 3 4 Radius mm Diameter mm Circumference mm Name the following a b c 基督教臻美黃乾亨小學暨初中學校 Pegasus Philip Wong Kin Hang Christian Primary School cum Junior Secondary School 臻美小學 07 08 年 數學 p6 Part C Find the circumference Part D Applications Please include all the necessary horizontal steps numerical answers units and statement answers Round up your answers to the hundredth place when necessary 1 A circular piece of cardboard has a radius of 10cm What is its circumference 2 A circle has a diameter of 20mm What is its circumference 1 cm 2 cm 基督教臻美黃乾亨小學暨初中學校 Pegasus Philip Wong Kin Hang Christian Primary School cum Junior Secondary School 臻美小學 07 08 年 數學 p6 3 A circle has a circumference of 40 cm What is its diameter 4 A bicycle wheel has a radius of 0 6m What is its radius 基督教臻美黃乾亨小學暨初中學校 Pegasus Philip Wong Kin Hang Christian Primary School cum Junior Secondary School 臻美小學 07 08 年 數學 p6 數學科 6 年級校本工作紙 P6 Mathematics Worksheets Review First of all we need to understand the terminology Left hand side LHS terms on the left to the equal sign Right hand side RHS terms on the right to the equal sign Unknown an unidentified quantity i e x y z etc Eliminate to cancel out i e eliminates x eliminates The GOLDEN RULE What we do to one side we must do the same to the other side 課題 Percentages 編號 姓名 班別 已能掌握 基本達標 仍需努力 日期 基督教臻美黃乾亨小學暨初中學校 Pegasus Philip Wong Kin Hang Christian Primary School cum Junior Secondary School 臻美小學 07 08 年 數學 p6 Example 1 2P 10 22 Step 1 We always want to have just the unknown on one side so we eliminate 10 on the LHS by 10 2P 10 10 22 10 2P 32 Step 2 Divide 2P by 2 P 16 Example 2 A negative unknown 10 2P 22 Step 1 We eliminate 10 on the LHS by 10 10 10 2P 22 10 2P 12 Step 2 P 6 P is negative We then switch the negative sign to the other side i e we multiply both sides by 1 P x 1 6 x 1 P 6 基督教臻美黃乾亨小學暨初中學校 Pegasus Philip Wong Kin Hang Christian Primary School cum Junior Secondary School 臻美小學 07 08 年 數學 p6 Example 3 10 x 3 5x 8 This is a more complicated form of equations as more steps are involved Where there are numbers and unknowns on both sides Step 1 We eliminate 3 on the LHS 10 x 3 3 5x 8 3 10 x 5x 5 Step 2 We eliminate 5x on the RHS 10 x 5x 5x 5x 5 5x 5 Step 3 x 1 Now try the practice questions on the next page 基督教臻美黃乾亨小學暨初中學校 Pegasus Philip Wong Kin Hang Christian Primary School cum Junior Secondary School 臻美小學 07 08 年 數學 p6 Part A 1 2A 3 7 2 3B 6 12 3 R 7 9 11 4 6Y 3 21 5 7P 4 11 6 M 13 2 8 7 8 2K 20 8 10 5L 75 9 10 3P 55 10 6Y 10 5Y 1 基督教臻美黃乾亨小學暨初中學校 Pegasus Philip Wong Kin Hang Christian Primary School cum Junior Secondary School 臻美小學 07 08 年 數學 p6 11 8N 90 2N 100 12 12W 18W 90 Part B Please include all the necessary horizontal steps numerical answers and units and statement answers Round up to the tenth place if necessary 1 There are 67 buses and 80 vans What percentage of the vehicles are buses 2 Hillary has 450 and she spends 65 on toys She then spends the rest on books How much money does Hillary spend on books 基督教臻美黃乾亨小學暨初中學校 Pegasus Philip Wong Kin Hang Christian Primary School cum Junior Secondary School 臻美小學 07 08 年 數學 p6 3 Due to inflation the price of pork rose by 6 in January and it rose again by 5 in February A kilogram of pork cost 15 before the inflation How much did 1 kilogram of pork cost in February 4 In training Christie ran 3700 metres Candice r