JSS 3 examination

Welcome to your JSS3 BASIC CALCULATION SKILL SECOND TERM EXAMINATION, 2026

SECTION A: Objectives Instruction: Answer all questions

1. Find the HCF of 24ab and 6a²

2. All are factors of 6x²y except

3. Simplify (-4y)² x 2y

4. Solve x/3 + 5x/3 = 6, find x

5. Express 6mins as a fraction of 2hrs

6. If x = 5 and y = 7, simplify 2xy / y²

7. Evaluate 36a ÷ 2 + 6a x 2 = 18, solve a?

8. A rectangle is 7m long and its breath is 8m wide . What is the perimeter of the rectangle?

9. The following are equivalent fractions of 3b/5a except?

10. Simplify 6/7x - 2/3x

11.Evaluate ( 6a - 5y) + 2(3y- 2a)

12. Solve 2³/15 ÷ ( 3 ⅕ - 2 ⅔)

13. If 3 students clears a field in 28days how long will 7 students clear the same field.

14. What is 12% of 5000g?

15. The sum of all prime numbers from 20 to 35 is

16. Find the difference between 58.93m and the sum of 18.21m and 4.5m

17. Find the LCM of 8ab and 7a²

18. Express N50 as a percentage of N200

19. Simplify ( 2x + 4) + (1 - x)

20. Evaluate y² - 5 = 31, find y?

SECTION B: Answer all

21. Mich added 45 to a certain number and then divide by 5. If the result is two times the certain number. Find the number?

22. Solve √(a+2) = 4, Find a

23. Simplify 6a/8 - 2a/3

24. Simplify (12a - 8) + 2 (4 - 5a)

25. Write all the factors 35ab²

SECTION C: THEORY Answer only 5 questions , each question is 6marks

1a. Simplify 3 ½ of 14 ÷ ½ + [ 2 ¼ x ¹/9 ]

1b. The width of a rectangle is one- third of the length. If the perimeter is 60m. Find the width. (Hint; let length be x).

2a. Simplify and solve √(3x - 5) + 7 = 29

2b. Solve the simultaneous equation 2x + 3y = 17 and x + 2y = 1

3a. Measure, draw and name the following angles I. 65* II. 130* III. 270*

3b. Simplify 10(4x² + 8x + 7) - 8(5x² + 10x -9)

4a. Find the LCM and HCF 21ax and 7ab. (II) Divide the LCM by the HCF

4b. Write down 5 equivalent fractions of x/4

5a. One- third of an even number is added to one- fifth of the next even number to make a total of 2. Find the two numbers?

5b. Solve 7(2e + 3) = 3(4e + 9), find e?

6a. A full water tank last 45 students for 10 days . For how long will the same tank last 150 students?

6b. 65% of a quantity is 4500g . Find the quantity?

7a. Using any scale of your choice, plot a graph and clearly locate the following points; I. (-6;5) II. (0; -10) III. (3;9) IV. (2; -7) V. (-1;-4) Vl. (2.3;1.2) VII. (4;7) VIII. 8;0). IX. (5;-3) X. (2;2)

7b.During an examination one student got 45 marks more than the other student. If their total marks is 123. How many marks does each student get?