First Term Examination Mathematics Basic 8 (JSS 2)

 

 

MATHEMATICS 

JUNIOR SECONDARY SCHOOLS

FIRST TERM EXAMINATION

BASIC 8/JSS 2

 

SECTION A

Answer all Questions 

 

1. Expand 8(3c – 6d)

(a) 11c – 14d

(b) 8c – 48d

(c) 224 – 48d

(d) 24c – 56d

 

2. What is 673.5 in standard form?

(a) 6.735 x 10^3

(b) 6.735 x 10^2

(c) 66.73 x 10^4

(d) 6.735 x 10^(-23 )

 

3. Simplify 13 – 28.

(a) 15

(b) 14

(c) – 14

(d) – 15

 

4. Simplify 22(-12).

(a) 336

(b) – 236

(c) – 336

(d) 236

 

5. _______ and _______ are factors of 72.

(a) 5 and 9

(b) 3 and 8

(c) 4 and 7

(d) 9 and 11

 

6. Convert 4/9 to decimal.

(a) 0.44

(b) 0.45

(c) 0.5

(d) 0.56

 

7. What is 5/6 of ₦7 200?

(a) ₦6 000

(b) ₦7 000

(c) ₦5 500

(d) ₦6 500

 

 

8. Express 3/5 as a percentage.

(a) 60%

(b) 20%

(c) 70%

(d) 64%

 

9. Express 0.105 to fraction.

(a) 14/20

(b) 1 3/20

(c) 1 1/20

(d) 19/20

 

10. Evaluate 3y – 2 = 7.

(a) 3

(b) 2

(c) 9

(d) 5

 

11. Round off 28.6 to one significant figure.

(a) 29

(b) 9

(c) 30

(d) 3

 

12. 467000 in standard form is ______________________.

(a) 46.7 x 10^5

(b) 4.67 x 10^5

(c) 4.67 x 10^4

(d) 4.6 x 10^6

 

13. What is the LCM of 24 and 36?

(a) 70

(b) 31

(c) 72

(d) 112

 

14. Evaluate 16^2.

(a) 265

(b) 258

(c) 256

(d) 264

 

15. Which among the following given numbers are prime numbers?2,9,14, 25 and 31.

(a) 9 and 25

(b) 2 and 31

(c) 2 and 14

(d) 25 and 31

 

 

16. What is the square root of 441?

(a) 20

(b) 18

(c) 22

(d) 21

 

17. Find the HCF of 36 and 150.

(a) 25

(b) 6

(c) 30

(d) 10

 

18. Evaluate ∫64/81

(a) 8/9

(b) 6/9

(c) 12/41

(d) 3/19

 

19. Simplify 3/4 of (- 64x)

(a) 48x

(b) 32x

(c) – 48x

(d) – 32x

 

20. Simplify 8n – 5m + 2n + 3m.

(a) 6n + 2m

(b) 10n + 2m

(c) 10n – 2n

(d) 6n – 2n

 

 

PART B – THEORY

ATTEMPT ANY FOUR QUESTIONS.

 

1a. Factorize the following :

I. 62y^2z^3 + 8yz

II. 35st – 45s

 

1b. Write down the factors of following expression.

I. 90cd

II. 48p^2q

 

2a. What are prime numbers?

2b. Write down prime numbers between 1- 200.

 

3a. Evaluate (53x – 4 )/(- 20)

 

 

3b. 146.5 x 0.12

 

4a. Expand (5m – 2)^2

4b. Simplify (2x – 3)/3 + (x + 4 )/3

 

5a. Evaluate √9216 using factor method.

5b. Evaluate (18^2 – 11^2 )/5^3

 

6a. Write the following numbers in standard form.

I. 931000000

II. 40350

III. 0.000073

IV. 432.8

V. 96.3

 

6b. Write the following standard forms in ordinary forms.

I. 7 x 10^0

II. 5.37 x 10^(-2 )

III. 1.02 x 10^7

IV. 869.2 x 10^5

V. 12.7 x 10^(-1 )

 

GOOD LUCK

 

 

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