Basic Calculation Skills (JSS 3) Examination

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Welcome to your Basic Calculation Skills (JSS 3) Examination

1. Convert 0.35 to percentage

2. Which of the following number is the smallest?

3. Solve for n in 5n² + 85 = 405

4. If x⁴ = 81, find x

5. What is the co-efficient of y² in the expansion of of (4y - 3)(y -2) ?

6. Calculate the square root of 1 ⁹/16

7. Correct 0.25813 to 3 significant figures

8. The sum of x and -4 is

9. Find the difference between the place values of six in 16891 and 27601

10. Open the bracket in -a(-b+c)

11. What is the square root of x⁴ ?

12. Solve for y in the equation 2(y+1) = y + 4

13. What will you add to 11 to make it +6?

14. Simplify 18a/3a

15. If xy = 0, then 0 is the ________ x and y

16. Simplify √4 × √121

17. Find the LCM of 10,15 and 20.

18. Evaluate 4x² × 3x³

19. Simplify (3x + 5y) - (7x + 10y)

20. Find the value of 50 - (-15 × -8)

Subjective (Answer All)

1. Solve for n in 3½ = ¹/n

2. The branch of Mathematics in which letters and numbers are used together is called _____________.

3. The branch of Mathematics concerned with construction or drawing of shapes is called _______________

4. This symbol '>' stands for _____________

5. The perimeter of a circle is also known as ______________

6. (2x+5y)-(7x+10y) = -5(x+y) [True / False]

7. Find the sum of 3x + 2, 2 + 5x and 1 + x

8. How much simple interest will ₦400.00 make in 5years at 7% per annum ?

9. Change 23.01 × 10-³ to decimal

10. If √a/b = √a/√b (law of indices), then √25/81 = ____________

Theory (Answer 3 question No 1 is compulsory)

1. Find the amount at 3years (A3) and the compound interest on the ₦6,000 for 4years at 10% per annum. (6mks)

1b. Find x in 2²x = 64×4, (4mks)

2a. Simplify (2½ - 1⅔) × ⅚

2b. Evaluate 201² - 11

3a. Find the value of x if 9x² = 4

3b. Divide 0.08 by 0.16

4. Simplify 12-8÷4+[(6+2)-3]² × 3

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