Final Exam Part 3(Chapter 7, 10-13) Previous Knowledge(Algebra) 1. Flora has d pairs of shoes. 3 pairs are black, half of the remaining are white. How many pairs of white shoes does Flora have? ○ A. d 3 2 ○ B. d3 ○ C. d32 ○ D. d 3 2 2. Figure 1 Figure 2 In Figure 1, there are 4 seats at 1 dining table. If there are R dining tables putting together as shown in Figure 2. How many seats are there altogether? ○ A. 4R ○ B. 4R + 2 ○ C. 2R + 2 ○ D. 2R 3. Tina has E scarfs. 4 of them are in red colour, two fifth of the remaining are in black colour. How many scarfs are in black colour? ○ A. E 4 2 5 ○ B. (E 4) 2 5 ○ C. 2E 4 5 ○ D. E 4 2E 5 4. Figure 1 Figure 2 In Figure 1, there are 7 seats at 1 trapezoid dining table. If there are N dining table putting together as shown in Figure 2. How many seats are there altogether? ○ A. 3N + 2 ○ B. 3N + 4 ○ C. 7N + 2 ○ D. 7N + 4 Chapter 7 Angles 1. Measure ABC and draw DEF with the same size as ABC on the space provided. ABC = 2. Draw the following angle with a protractor. DEF = 124 3. Draw the following angle with a protractor. GHI = 195 4. Let’s measure and fill in the blanks. (a) ABC is an ( obtuse / acute ) angle. It is ( larger / smaller ) than 90. ABC = ___ (b) DEF is an ( obtuse / acute ) angle. DEF = ___ (c) GHI is an ( obtuse / acute ) angle. GHI = ___ (d) Arrange ABC, DEF and GHI from the largest to the smallest. > > 5. There is a piece of round paper below. It has been folded 3 times and is opened again. (a) According to the folded lines, there are regions on the round paper. 360 __ = __ . The angle in each region is (b) Colour any two adjacent regions. __ __ = __ The angle of the adjacent regions is . It is ( an obtuse / a right / an acute ) angle. 6. Measure each angle in the picture below. C B 現 代 學 校 A O x (a) AOB = (b) BOC = (c) AOC = (d) x = Chapter 10-13 Equations 1. Solve the equation below and check the answer. S ( 27% + 9% ) = 108 2. Solve the equation below. B (7 2 5 – 4.9 ) = 30 3. Which two equations give the same value of x? ○ A. Ошибка! + Ошибка! = 8 ○ B. 3.2x + 1.6 = 11.2 ○ C. x(62% + 18%) = 2 4.Solve the problem by writing an equation. There is a bundle of flowers. 3 of them are roses and the rest are lilies. If there are 8 lilies, how many 4 flowers are there in the bundle? 5.Solve the problem by writing an equation. There is a box of juicy candies. 1 5 of them are orange flavoured, 3 of them are strawberry flavoured. 10 There are 60 candies of orange flavoured and strawberry flavoured altogether. How many candies are there in the box? 6.Solve the problem by writing an equation. Mother has a bag of salt. She gave 6 of it to Mrs. Fong. After using 200 grams, Mrs. Fong still has 340 11 grams left. How many grams of salt were there in the bag at first? Let y grams be the weight of salt in the bag at first.