Jss 1 Second Term Maths Exams

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SECTION A

1. The value of 8 in 18214 is (a) 8 units (b) 8 tens ( c) 8 hundreds ( d) 8 thousands (e) 8 ten thousands
2. The Roman numerals CXCIV represents the number (a) 194 (b) 186 (c ) 214 (d) 215 (e) 216.
3. What is the number represented by ? (a) 32 (b) 40 (c) 28 (d) 39
4. Give 3.9998 to 2 s.f. (a) 3.9 (b) 3.0 (c ) 4.0 (d) 4. 99
5. Give 37.0567 to 2 d.p (a) 37 (b) 37.06 (c ) 37.05 (d) 37.1
6. Round 26 to the nearest ten (a) 5 (b) 20 (c) 30 (d) 40.
7. Round 7.586 to the nearest whole number (a) 8 (b) 7 (c) 6 (d) 7.6.
8. Find the approximate answer to 0. 41 x 0. 92 (a) 0.6 (b) 0.36 (c ) 0.3 (d) 0.04.
9. x = 0. 876 – 0.326. By doing a rough calculation, decide which of the following is the value of x (a) 0.18 (b) 0.21 (c )0.3 (d) 0.55.
10. A sum of N 236000 is divided equally among 54 members of a club. Approximately how much does each member get? (a) N 4000 (b)N2000 (c) N 20000 (d) N40000.
11. Binary numbers means ________ numbers(a) base two (b) base ten (c ) base four (d) base eight
12. Base two numbers are made up of two digits _____ and ______ (a) 0 and 1 (b) 0 and 2 (c) 1 and 3 (d) 0, 1 and 2
13. simplify in base two ( 1 1 1 + 1 1 1 ) (a)1 1 0 1 (b) 1 1 1 0 ( c ) 1 0 0 1 ( d) 1 0 0 0
14. Change 321_four to base eight (a) 71 (b) 81 (c) 62 (d) 75.
15. Change 35471 _eight to base ten(a) 15097 (b) 16081 (c ) 17097 (d) 16097
16. The missing number in the expansion below is:
17. 4983 ten = 4 x 10³+ 9 x — + 8 x 10¹ + 3 x 1(a) 10⁴ (b) 10³ (c) 10² (d) 10¹
18. By how many is 29 greater than 17? (a)12 (b)18 (c)19 (d)17
19. There are 816 boys and 658 girls in a school. How many students are there altogether  in the school? (a)1356 (b)1474 (c)1744 (d)1074
20. Find the difference between 8074 and 5729(a)2345 (b)5432 (c)5745 (d)4365
21. What is the additive inverse of -8? (a) +4 (b) + 2 (c) +8 (d) +7
22. Two students were seen entering an empty classroom by an observer. A few minutes later, three students were seen coming out. If one more student should enter the classroom again, how many students would be left in the class? (a) 0 (b) 1 (c) 2 (d) 3
23. What is the value of x in the equation x – 14 = 2? (a) 20 (b) 16 (c) 9 (d) 24
24. Find the value of ‘a’ if 3 x a = 27 (a) 20 (b) 16 (c) 9 (d) 24
25. Simplify 7x – 6 – ( 2- x) (a) 8x – 8 (b) 7x -8 (c) 7x + 12 (d) 8x – 4

SECTION B (THEORY)

1. Mr. Hope spends 1/3 of his earnings on food and ¼ on clothes. He then saves the rest. What fraction does he (a) spend altogether (b) save?
2. The number of road accident in Lagos –Ibadan Expressway of Nigeria in a decade was 1294594.
3. Give this number to the nearest (a) 100 (b) 1000
4. Express each number correct to 1 d.p and 1 s.f (a) 23.0036 (b) 6.7887.
5. Use approximation to find the following
6. 35. 8 – 8.99
7. 7.784 x 97 .5
8. Simplify the following in base two

1 1 1 0

+ 1 0 0 1

_________

1. 1 1 0 1 _two + 1 1 0 0 1 _two + 1 0 1 1 _two
2. Convert the following to binary number (a) 234_five (b) 403_five
3. Calculate the following binary numbers

(a) 10001 x 11

(b) 110111 x 111

1. A man earns N 5000.00 in a month and his wife earns N z. If the couple earns N 9500 altogether in a month, what is the value of z?
2. A girl is x years old and her brother is 5 years older than her. (a) find the sum of their ages (b) if their father is 25 years older than the girl, what is the difference between the sum of the children’s ages and their father’s age?
3. Simplify ( 2x – y- y) – ( 5x – 3y) + 5