Second Term Examination Mathematics Basic 9 (JSS 3)

 

CRN INTERNATIONAL SCHOOL

SECOND TERM EXAMINATION

MATHEMATICS

BASIC 9 (JSS 3)

 

SECTION A – OBJECTIVE QUESTIONS

INSTRUCTIONS – ANSWER ALL QUESTIONS

1. In the expansion of (2a – 5)², the coefficient of a is ____________.

a. 4

b. 3

c. 2

d. 1

 

2. Write 20.5 x 10^5 in a standard form

a. 2.05 x 10^1

b. 2.05 x 10^-2

c. 2.05 x 10-^4

d. 2.05 x 10^-6

 

3. If x = 7, evaluate 6 + x – 2x

a. 1

b. 0

c. -1

d. 27

 

4. Convert 410 to base two

a. 10two

b. 100two

c. 1000two

d. 10000two

 

5. A fair die has ____________ faces.

a. 2

b. 4

c. 6

d. 8

 

 

6. A triangle with unequal sides and angles is ____________.

a. equilateral

b. isosceles

c. scalene

d. right angle

 

7. Solve for x, if 2x + 5 = 9

a. 14

b. 7

c. 2

d .-2

 

8. If 24 = 2f + 3f + f, find f.

a. 8

b. 6

c. 4

d . 2

 

9. If 3/2 + x/3 = 11/6, find x

a. 4

b. 3

c. 2

d. 1

 

10. A crate of eggs contain 30 eggs, n of them are broken. How many eggs will remain?

a. (n- 30) eggs

b. (30 + n) eggs

c. (n – 30) eggs

d. 30n eggs

 

 

11. The distance measured round an object is called

a. radius

b. perimeter

c. diameter

d. length

 

12. Simplify 28axy3 ÷ 7xy2

a. 4xy

b. 4axy

c. 4ax

d. 4ay

 

13. Round off the number 0.075 to 1 s.f.

a. 0.1

b. 0.7

c. 0.07

d. 0.08

 

14. How many lines of symmetry have a kite?

a. 5

b. 4

c. 3

d. 1

 

15. Find the simple interest of #6,000 for 5yrs at 9% per annum

a #270

b. # 2,700

c. #5400

d. # 27,00

 

 

16. The line drawn across 2 parallel lines is called a ____________.

a. chord

b. diameter

c. radius

d. transversal

 

17. A solid whose faces are triangular and the base a quadrilateral is called a ……

a. sphere

b. pyramid

c. prism

d. cube

 

 

18. Given that a=1, b=2 and c=3, find the value of ab – bc

a. 11

b. -4

c. 4

d. -11

 

19. Expand (1-d) 2

a. d2-2d -1

b. d2 – 2d +1

c. d2 + 2d + 1

d. d2 – 2d – 1

 

20. Express 1.5km in metres

a. 1500 m

b. 150 m

c. 15 m

d. 1.5 m

 

 

SECTION B – THEORY 

INSTRUCTION – ANSWER ALL QUESTIONS 

1a. make K the subject of the formula.

i. T = 4π (h² + k²)

ii. G = 3k – t

 

b. find the value of y in the figure below:

 

2a. solve 2t + 5 = 7

b. find the square root of 3136 = t – 2²

 

3a. Represent the following on a number line –

i. x < -2

ii. x > +5

 

b. find k and m using elimination method.

3k – 4m = 1 – – – – – – equation 1

2k – 3m = 12 – – – – – – equation 2

 

4a. Find P and Q using substitution method:

P + Q = 17 – – – – – – equation 1

P – Q = 17 – – – – – – equation 2

 

b. Make π & l the subject of formula:

i. A = πr²

ii. A = L²

 

 

 

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