# Exam Questions – Second Term Examination Mathematics for JSS 1 (Basic 7)

### MATHEMATICS

### EXAM QUESTIONS

### SECOND TERM EXAMINATION

### JUNIOR SECONDARY SCHOOL – JSS 1 (BASIC 7)

## SECTION A

## OBJECTIVES

Answer all questions and choose the correct options.1. Express 20% as a decimal number.

(a) 2.00

(b) 0.5

(c) 0.2

(d) 0.02

2. Convert 7710 to a number in base two.

(a) 1111111two

(b) 1111101two

(c) 1111011two

(d) 1001101two

3. Express 6561 as a product of primes in index form.

(a) 36

(b) 37

(c) 38

(d) 39

4. Yemi saves N150 daily. How much will he save in two weeks?

(a) N300

(b) N1050

(c) N1500

(d) N2100

5. Write two thousand, seven hundred and nine in Roman numerals.

(a) MMDCICX

(b) MMCDCIX

(c) MMDCCIX

(d) MMCCDIX

6. What is the sum of the binary numbers 1101, 1110 and 1001?.

(a) 100000

(b) 100010

(c) 100100

(d) 100110

Read more – Exam Questions – Second Term Examination Mathematics for JSS 1 (Basic 7)

7. Find the value of (101)² in base two.

(a) 10001

(b) 10111

(c) 11001

(d) 11011

8. Express 32% as a fraction.

(a) 2/25

(b) 4/25

(c) 6/25

(d) 8/25

9. Write in figure; fifty three million, eight hundred thousand and thirteen.

(a) 53 800 013

(b) 5 380 013

(c) 53 80 13

(d) 530 813

10. Simplify 1110111two – 1101011two

11. The value of the 1 in 12345 is ________________.

(a) one unit

(b) one hundred

(c) one thousand

(d) ten thousand

12. Olu saves N700 daily, how much will he save in 15 days?

(a) ₦950

(b) ₦10 500

(c) ₦1 200

(d) ₦1 050

13. Convert 4ten to base two.

(a) 10two

(b) 100two

(c) 1000two

(d) 10000two

14. Evaluate 101two + 101two.

(a) 1010two

(b) 1100two

(c) 111two

(d) 1111two

15. Which of these is an improper fraction?

(a) 31/7

(b) 6/7

(c) 4/5

(d) 2/3

16. Express 40% as a decimal number.

(a) 0.02

(b) 0.20

(c) 0.40

(d) 4.00

17. List the prime factors of 150.

(a) 2, 5, 15

(b) 2, 3, 10

(c) 3, 5, 10

(d) 2, 3, 5

18. Correct 45775 to 1 significant figure.

(a) 50 000

(b) 5 000

(c) 500

(d) 50

19. ________________ divides a circle into equal parts.

(a) Arc

(b) Chord

(c) Diameter

(d) Radius

20. A prime has only two factors which are ________________ and ________________.

(a) 1 and any other number

(b) 2 and 3

(c) 1 and 2

(d) itself and 1

## SECTION B

## THEORY

Answer four (4) questions.

QUESTION 1A. 7/9-1/3

B. 4/15 + 1/8

C. 11-4/5

D. 53/5 of 20

E. 12/23÷ 30

QUESTION 2A. Correct the following numbers to the nearest hundred.

I. 7521

II. 104 738

B. Round off to the nearest whole numbers.

I. 86/7

II. 42.378

C. Correct to the nearest million.

I. 7 498 409

II. 9 048 947

QUESTION 3A. Convert the following base ten numbers to base two;

I. 349

II. 88

III. 28

B. Convert the following base two numbers to base ten.

I. 1000001101two

II. 1111111two

QUESTION 4A. Add the following;

I. 11101two + 10111two

II. 101011two +11011two

B. Subtract the following in base two:

I. 10111two – 1100two

II. 10101 – 1010two

C. Multiply 1000two by 10two

QUESTION 5A. Identify the following binary numbers as odd or even numbers:

I. 110010two

II. 111two

III. 101011two

IV. 1000111111

V. 110000110

B. Find the value of the following, if 7 is put in each circle.

(i) -14 + O

(ii) – O + O + O

(iii) 5 – O

(iv) 67 + O

(v) 18 – O

Important Notice!!!

To all expert in this field of Mathematics, kindly provide correct answers and solutions to the objectives and theory.