SCORE : 60 (320)TIME : 1 Hour
SECTION B
Grade 7
Name: ______Class: ______
Date: ______Time: 1 Hour
Marks: 60
Instructions
1. Answer all questions
2. Circle the letter of the correct answer
3. A non-programmable calculator may be used
1. / Sipho uses tiles to build patterns as shown below. How many tiles will he use for P5?(A) 25 (B) 24 (C) 41 (D) 50 (E) 51 / (3)
2. / An article costs R36, 15. This price includes Value Added Tax (VAT) of 14 %. What does the article cost without VAT?
(A) R31, 08 (B) R31, 09 (C) R31, 72 (D) R31, 71 (E) R31, 07 / (3)
3. / The average mass of 3 boys is 75 kg. The average mass of 6 girls is 66 kg. What is the average mass of the 9 children together?
(A) 70,5 kg (B) 65 kg (C) 70 kg (D) 69 kg (E) 69,5 kg / (3)
4. / What is the value of a in the table?
(A) 31 (B) 16 (C) 5 (D) 57 (E) 34 / (3)
5. / Larry bought a total of 32 apples and oranges for R52. An apple costs R2 and an orange costs R1. How many apples did he buy?
(A) 12 (B) 16 (C) 20 (D) 22 (E) 24 / (3)
6. / In a competition the first four judges gave Doris scores of 4,4 ; 4,6 ;
4,7 and 5,0. What score did the fifth judge give her if her average score from the five judges was 4, 8?
(A) 4,8 (B) 4,9 (C) 5,0 (D) 5,1 (E) 5,3 / (3)
7. / What is the number indicated by A on the ruler?
(A) 3,11 (B) 3,1 (C) 3,118 (D) 3,15 (E) 3,18 / (3)
8. / The sum of seven single-digit positive whole numbers is 17. If six of these numbers are equal, what is the other number?
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5 / (3)
9. / Penny had a bag full of marbles. She gave one-third of the marbles to Manto, and then one-fourth of the remaining marbles to John. Penny then had 24 marbles left in her bag. How many marbles did she give Manto?
(A) 12 (B) 24 (C) 48 (D) 16 (E) 15 / (3)
10. / Lee buys two drinks and one ice-cream for R15. Kim buys one drink and two ice-creams for R12. How much will Mario pay for one drink and one ice-cream?
(A) 12 (B) 11 (C) 8 (D) 9 (E) 10 / (3)
11. / 4920 people visited a fair on Saturday. This was 20 % more than the number of visitors on Friday. How many visitors were there on Friday?
(A) 3936 (B) 4100 (C) 3978 (D) 4280 (E) None of these / (3)
12. / In this magic square the sum of the three numbers in each row, in each column and each diagonal is 18. What is the value of z?
(A) 1 B) 3 (C) 9 (D) 7 (E) 8 / (3)
13. / In this multiplication magic square the product of the three numbers in ach row, in each column and each diagonal is 1. What is the value of
r + s?
(A) (B) (C) (D) (E) 24 / (3)
14. / If of a number is , what is of the same number?
(A) (B) (C) (D) (E) / (3)
15. / Which of these fractions is the largest?
(A) (B) (C) (D) (E) / (3)
16. / I multiple two consecutive numbers (e.g. 4 and 5) on my calculator and got the answer 702. What is the sum of the two numbers?
(A) 42 (B) 49 (C) 53 (D) 65 (E) 51 / (3)
17. / A man and his daughter together weigh 90 kg, the man and his cat weigh 70 kg, and the daughter and cat together weigh 40 kg. What do the man, daughter and cat weigh together?
(A) 95 kg (B) 100 kg (C) 102 kg (D) 105 kg
(E) None of these / (3)
18. / The object is made by gluing together six wooden cubes. If you want to paint the object, how many sides (faces) must be painted?
(A) 30 (B) 27 (C) 26 (D) 25 (E) 24 / (3)
19. / The sketch shows cubes stacked on a table. Each cube is 1 cm by 1 cm by 1 cm. How many cubes are there in this stack?
(A) 6 (B) 7 (C) 8 (D) 9 (E) 10 / (3)
20. / A path, one metre wide, surrounds a rectangular garden as shown in the figure below. What is the area of the garden (the white part)?
(A) 16 m2 (B) 40 m2 (C) 36 m2 (D) 32 m2 (E) 24 m2 / (3)
TOTAL / 60
Grade 7 Olympiad 2018
School Level
Marking Memo
1. / C2. / D
3. / A
4. / A
5. / C
6. / E
7. / C
8. / E
9. / D
10. / D
11. / B
12. / D
13. / B
14. / B
15. / C
16. / C
17. / B
18. / C
19. / E
20. / A
Total / 60
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