JSS 3 MATHS MID TERM TEST

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Second Term Examinations

SUBJECT: MATHEMATICS

CLASS: JSS THREE

TIME: 2HRS

OBJECTIVES

  1. Express 3426 as a number in base 10. (a) 342 (b) 3420 (c) 134
  2. Change the number 10010 to base 10 (a) 18 (b) 34 (c) 40
  3. Express in base two the square of 11 (a) 1001 (b) 1010 (c) 1011
  4. Find the value of (101)2 in base two (a) 1010 (b) 1111 (c) 1001
  5. Multiply 1000012 by 11 (a) 1001 (b) 1100011 (c) 10111
  6. The coefficient of x 2 in x 2 + 3x -5 is (a) 3 (b) 1 (c) -5
  7. Simplify e 2 – f 2 (a) (e+f)(e-f) (b) (e+f)(f+e) (c) (e-f)(f-e)
  8. Factorize x 2 +x -6 (a) (x+3)(x+2) (b) (x-2)(x+3) (c) (x+1)(x+5)
  9. Solve by grouping 5h 2 -20h + h – 4 (a) (h-4)(5h+1) (b) (h+4)(5h-1) (c) (h+2)(h-5)
  10. 49m 2 – 64n 2 when factorised will be (a) (7m+8n)(8m+7n) (b) (8m-7n)(8m+7n)(c) (7m-8n)(7m+8n)
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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

  1. Find the mode.

a)7 b) 8 c) 9 d) 10

  1. Find the median.

a) 6 b) 7 c) 8 d) 9

  1. Calculate the mean.

a) 6.7 b) 6.8 c) 6.9 d) 6.95

  1. Find the range.

a) 10 b) 11 c) 9 d) 12

  1. Which of the following is an irrational number? (a) 0.24576 (b) -5\15 (c)√11

THEORY

INSTRUCTION: Answer ALL questions

  1. Find the product of the difference between 2 & 7 and the sum of 2 & 7
  2. From 50 subtract the sum of 3 & 5 then divide the result by 6
  3. 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