Mathematics JSS 2 First Term Lesson Notes
Week 12 Examination Mathematics JSS 2 First Term Lesson Notes
SUBJECT: MATHEMATICS
Section A: Multiple Choice Questions
- The square root of 6400 is _____
a) 80
b) 10
c) 60 - (+8) + (-2) = x; find x.
a) +6
b) -6
c) +10 - When x = 2 and y = 3, the value of xy – 5y is ______
a) -9
b) 18
c) 48 - Seven workers dig a piece of ground in 10 days. How long would 5 workers take?
a) 14 days
b) 10 days
c) 7 days - 25% of N100 is _____
a) N25
b) N225
c) N100 - If x² = 16, then x is = ?
a) 4
b) 6
c) 9 - The HCF of 12ab² and 30a²b is
a) 20a²b
b) 6ab
c) 10b²a - I subtract 3 from a certain number, multiply the result by 5 and then add 9, the final result is 54. The original number is ____
a) 10
b) 12
c) 6 - The standard form of 9,000,000 is _____
a) 9 x 10²
b) 9 x 10⁶
c) 9 x 10⁹ - 45 minutes, expressed as a fraction of one hour, is _____
a) 3/4
b) 3/5
c) 3/6 - 10510 in binary is ____
a) 111011
b) 1101001
c) 0011101 - One quarter of the positive difference between 29 and 11 is _____
a) ½
b) 4 ½
c) 3 2/3 - The HCF of 6xy and 18x² is
a) 54x
b) 6x
c) 12y - The square root of 9b² is
a) 18b²
b) 3b
c) 21b - If y = (x + 9) / (x – 3), find the value of y when x = 5.
a) -5
b) 7
c) -2 - The coefficient of x² in 3x² is
a) 3
b) 6
c) 3x - The product of 3 ¼ and 2 2/5 is
a) 7 4/5
b) 7/5
c) 4/5 - Express 7 minutes 30 seconds as a fraction of 1 hour.
a) 1/8 h
b) 2/11 h
c) 7/30 h - The LCM of 9 and 12 is _____
a) 36
b) 18
c) 24 - The square root of 9/25 is ______
a) 3/5
b) 81/225
c) 3/25 - Express 1/16 in standard form
a) 6.25 x 10¹
b) 6.25 x 10⁻¹
c) 6.25 x 10⁻² - Simplify 5/6 x 4 2/3 ÷ 2 7/9
a) 2 ½
b) 1 2/5
c) 2/7 - Express 15 meters as a percentage of 5 kilometers
a) 3%
b) 0.3%
c) 0.03% - Find the square root of 3 6/25
a) 3.234
b) 1.24
c) 9/5 - Simplify (1/4)²
a) 1/16
b) 1/8
c) 2 - Round off 0.995 to the nearest hundredth
a) 0.95
b) 0.94
c) 1.00 - Simplify 8 x 10⁹ divided by 4 x 10⁶
a) 809/406
b) 4 x 10¹⁵
c) 4 x 10³ - Simplify -3 + (-3) – (-11)
a) 17
b) -17
c) 5 - Simplify (-2) x (-12)
a) 24
b) -24
c) 5/6 - What is the coefficient of ‘y’ in the expansion of (6 + y)(3 – y)?
a) 3
b) 6
c) -3 - Express 85 as a binary number
a) 1110101
b) 1010101
c) 1110110 - 111011₂ + 1111₂ =
a) 1001010
b) 1110110
c) 1001110
Section B: Problem Solving
- Find the value of the following expressions when x = 4, y = -5, and z = -3:
- (i) 2x + y – z
- (ii) x² + 3y – z
- (iii) x(y – z)
- (iv) (x + y) / z
- Simplify these expressions:
- (i) 3(6a + 3b) + 5(2a – b)
- (ii) 2(3x – y) – 3(2x – 3y)
- Seven workers dig a piece of ground in 10 days. How long would 5 workers take?
- A full water tank lasts 50 students for 10 days. For how long will the same tank last 125 students?
- Some students scored these grades in a test: C, B, D, A, C, C, E, B, D, F, B, D, E, C, A, C, D, B
- (i) Place the data in a frequency table
- (ii) Draw a bar chart to show the result in the table
- (iii) How many students took the test?
- (iv) What was the highest grade?
- (v) What was the lowest grade?
Instructions
- Read all questions carefully.
- Use the provided space to write your answers.
- Check your work before submitting the paper.