New Curriculum Second Term Mathematics examination for JSS 1

Class: JSS 1
Term: Second Term
Subject: General Mathematics
Time: 2 hours
Total Marks: 70

SECTION A: OBJECTIVES (40 Marks)
Instruction: Answer all questions. Each question carries 1 mark.

1. Evaluate 52 + 27. (a) 69    (b) 89    (c) 80    (d) 79
2. Evaluate 82 − 38. (a) 54    (b) 34    (c) 44    (d) 45
3. Find the value of (-4) + (9). (a) 13    (b) 5    (c) -13    (d) 4
4. Calculate 1/3 + 1/6. (a) 1/18    (b) 1/2    (c) 1/6    (d) 2/9
5. Simplify 3/4 − 1/2. (a) 1/4    (b) 5/4    (c) 3/8    (d) 1/3
6. Find 2/3 × 3/5. (a) 19/15    (b) 10/9    (c) 5/8    (d) 2/5
7. Calculate 1/2 ÷ 1/4. (a) 1/8    (b) 3/4    (c) 2    (d) 3
8. Round 347 to the nearest 10. (a) 340    (b) 360    (c) 350    (d) 349
9. Calculate 11₂ + 101₂. (a) 1001₂    (b) 1000₂    (c) 111₂    (d) 1010₂
10. Evaluate 83 + 49. (a) 132    (b) 122    (c) 142    (d) 133
11. Evaluate 125 − 79. (a) 56    (b) 36    (c) 47    (d) 46
12. Find the value of (-6) + (-3). (a) 9    (b) -3    (c) 3    (d) -9
13. Calculate 1/4 + 1/2. (a) 1/8    (b) -1/4    (c) 3/4    (d) 1/3
14. Simplify 5/6 − 1/3. (a) 7/6    (b) 1/2    (c) 5/18    (d) 4/9
15. Find 3/4 × 2/3. (a) 1/2    (b) 17/12    (c) 9/8    (d) 5/7
16. Calculate 2/3 ÷ 1/3. (a) 2    (b) 2/9    (c) 1    (d) 3
17. Round 658 to the nearest 10. (a) 650    (b) 670    (c) 659    (d) 660
18. Calculate 110₂ − 10₂. (a) 101₂    (b) 11₂    (c) 100₂    (d) 110₂
19. Evaluate 124 + 78. (a) 192    (b) 202    (c) 212    (d) 203
20. Evaluate 540 − 275. (a) 275    (b) 265    (c) 255    (d) 266
21. Find the value of (7) + (-12). (a) -5    (b) 19    (c) -19    (d) -6
22. Calculate 3/8 + 1/4. (a) 3/32    (b) 1/8    (c) 1/3    (d) 5/8
23. Simplify 7/8 − 1/4. (a) 9/8    (b) 7/32    (c) 5/8    (d) 1/2
24. Find 5/6 × 3/10. (a) 17/15    (b) 25/9    (c) 1/4    (d) 1/2
25. Calculate 3/5 ÷ 3/10. (a) 9/50    (b) 2    (c) 9/10    (d) 3
26. Round 3,754 to the nearest 100. (a) 3800    (b) 3700    (c) 3900    (d) 3799
27. Calculate 100₂ + 11₂. (a) 1000₂    (b) 110₂    (c) 1001₂    (d) 111₂
28. Evaluate 315 + 189. (a) 494    (b) 514    (c) 505    (d) 504
29. Evaluate 730 − 485. (a) 255    (b) 235    (c) 245    (d) 246
30. Find the value of (-10) + (6). (a) 16    (b) -4    (c) -16    (d) -5
31. Calculate 5/6 + 1/3. (a) 7/6    (b) 5/18    (c) 1/2    (d) 2/3
32. Simplify 4/5 − 1/5. (a) 3/5    (b) 1    (c) 4/25    (d) 3/10
33. Find 2/7 × 7/8. (a) 65/56    (b) 16/49    (c) 3/5    (d) 1/4
34. Calculate 4/7 ÷ 2/7. (a) 8/49    (b) 6/7    (c) 2    (d) 3
35. Round 8,196 to the nearest 1,000. (a) 9000    (b) 8000    (c) 7999    (d) 8001
36. Calculate 111₂ − 100₂. (a) 100₂    (b) 11₂    (c) 10₂    (d) 101₂
37. Evaluate 502 + 278. (a) 780    (b) 770    (c) 790    (d) 781
38. Find the value of (13) + (-18). (a) 31    (b) -31    (c) -6    (d) -5
39. Simplify 9/10 − 2/5. (a) 13/10    (b) 9/25    (c) 1/2    (d) 7/15
40. Calculate 5/8 ÷ 5/16. (a) 25/128    (b) 15/16    (c) 2    (d) 3

SECTION B: THEORY (30 Marks)
Instruction: Answer Question 1 and any other TWO questions. Each question carries 10 marks.

1. Integers and operations
(a) Evaluate 347 + 568. (3 marks)
(b) Find −7 + 12 − 5. (4 marks)
(c) Evaluate 900 − 476. (3 marks)

2. Adding and subtracting fractions
(a) Calculate 2/3 + 1/6. (5 marks)
(b) Calculate 5/6 − 1/4. (5 marks)

3. Multiplication and division
(a) Multiply 3/5 by 10/9. (5 marks)
(b) Divide 3/4 by 3/8. (5 marks)

4. Approximation and binary
(a) Round 3,786 to the nearest hundred. (3 marks)
(b) Evaluate 101₂ + 11₂. (4 marks)
(c) Evaluate 110₂ − 10₂. (3 marks)

Objective Marking Scheme
Question 1 – ✅ (d) 79
Question 2 – ✅ (c) 44
Question 3 – ✅ (b) 5
Question 4 – ✅ (b) 1/2
Question 5 – ✅ (a) 1/4
Question 6 – ✅ (d) 2/5
Question 7 – ✅ (c) 2
Question 8 – ✅ (c) 350
Question 9 – ✅ (b) 1000₂
Question 10 – ✅ (a) 132
Question 11 – ✅ (d) 46
Question 12 – ✅ (d) -9
Question 13 – ✅ (c) 3/4
Question 14 – ✅ (b) 1/2
Question 15 – ✅ (a) 1/2
Question 16 – ✅ (a) 2
Question 17 – ✅ (d) 660
Question 18 – ✅ (c) 100₂
Question 19 – ✅ (b) 202
Question 20 – ✅ (b) 265
Question 21 – ✅ (a) -5
Question 22 – ✅ (d) 5/8
Question 23 – ✅ (c) 5/8
Question 24 – ✅ (c) 1/4
Question 25 – ✅ (b) 2
Question 26 – ✅ (a) 3800
Question 27 – ✅ (d) 111₂
Question 28 – ✅ (d) 504
Question 29 – ✅ (c) 245
Question 30 – ✅ (b) -4
Question 31 – ✅ (a) 7/6
Question 32 – ✅ (a) 3/5
Question 33 – ✅ (d) 1/4
Question 34 – ✅ (c) 2
Question 35 – ✅ (b) 8000
Question 36 – ✅ (b) 11₂
Question 37 – ✅ (a) 780
Question 38 – ✅ (d) -5
Question 39 – ✅ (c) 1/2
Question 40 – ✅ (c) 2

Theory Marking Scheme
Question 1: (a) 915. (3); (b) 0. (4); (c) 424. (3).
Question 2: (a) 5/6. (5); (b) 7/12. (5).
Question 3: (a) 2/3. (5); (b) 2. (5).
Question 4: (a) 3,800. (3); (b) 1000₂. (4); (c) 100₂. (3).
Award method marks for correct steps; accept equivalent simplified answers.