Edu Delight Tutors
Second Term Examinations
SUBJECT: MATHEMATICS
CLASS: JSS THREE
TIME: 2HRS
OBJECTIVES
- Express 3426 as a number in base 10. (a) 342 (b) 3420 (c) 134
- Change the number 10010 to base 10 (a) 18 (b) 34 (c) 40
- Express in base two the square of 11 (a) 1001 (b) 1010 (c) 1011
- Find the value of (101)2 in base two (a) 1010 (b) 1111 (c) 1001
- Multiply 1000012 by 11 (a) 1001 (b) 1100011 (c) 10111
- The coefficient of x 2 in x 2 + 3x -5 is (a) 3 (b) 1 (c) -5
- Simplify e 2 – f 2 (a) (e+f)(e-f) (b) (e+f)(f+e) (c) (e-f)(f-e)
- Factorize x 2 +x -6 (a) (x+3)(x+2) (b) (x-2)(x+3) (c) (x+1)(x+5)
- Solve by grouping 5h 2 -20h + h – 4 (a) (h-4)(5h+1) (b) (h+4)(5h-1) (c) (h+2)(h-5)
- 49m 2 – 64n 2 when factorised will be (a) (7m+8n)(8m+7n) (b) (8m-7n)(8m+7n)(c) (7m-8n)(7m+8n)
- Esther is 3 times as old as her sister Tolu, if the sum of their ages is 20 years. Find the difference between their ages.(a) 20 years (b) 8 years (C) 10 years
- 9 was subtracted from a certain number and the result was divided by 4 if the final answer is 5 what was the original number?(a) 29 (b) 18 (c) 20
- A woman is 4 times as old as her son. In five years time she will be 3 times as old as her son. How old is the woman(a) 50 yrs (b) 40 yrs (c) 45 yrs
- Bayo is 4 times as old as his sister Tolu. If the sum of their ages is 20 years, find the difference between their ages.(a) 12 yrs (b) 15 yrs (c) 18 yrs
- Subtract the square root of 4 from the square of 4 and divide the result by 2(a) 2 (b) 4 (c) 7
Use the table below to question 16-19
The table below shows the number of pupils (f) scoring a given mark (x) in attest.
X 2 3 4 5 6 7 8 9 10 11 12
f 3 8 7 10 13 16 15 15 6 2 5
- Find the mode.
a)7 b) 8 c) 9 d) 10
- Find the median.
a) 6 b) 7 c) 8 d) 9
- Calculate the mean.
a) 6.7 b) 6.8 c) 6.9 d) 6.95
- Find the range.
a) 10 b) 11 c) 9 d) 12
- Which of the following is an irrational number? (a) 0.24576 (b) -5\15 (c)√11
THEORY
INSTRUCTION: Answer ALL questions
- Find the product of the difference between 2 & 7 and the sum of 2 & 7
- From 50 subtract the sum of 3 & 5 then divide the result by 6
- The sum of 8 and a certain number is equal to the product of the number and 3 find the number
JSS 3 MATHEMATICS FIRST TERM EXAMINATION
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