FIRST TERM, MID TERM TEST ON BASIC CALCULATION SKILL (BCS), JSS2 2025/2026

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Welcome to your FIRST TERM, MID TERM TEST ON BASIC CALCULATION SKILL (BCS), JSS2 2025/2026

Section A: Objectives Answer all questions from this section

1. Convert 41 ten to binary

2. Simplify 1111 two + 1101 two

3. The following are even binary except

4. The following are the equivalent fractions of 2/3 except

5. The product of 3/5 and a number is 12, what is the number

6. Simplify 2 1/2 +2 2/5 -1 2/5

7. The fraction 15/7 can be expressed in decimal and rounded off to 3 d.p as ——

8. Simplify 111011 two - 10011 two

9. Round off 11.04375 to the nearest thousandth

10. The fraction 50/7 and 39/8 is expressed in mixed fraction as —- and —-

SECTION B: subjective; Answer all questions from this section in your booklet.

11. Find the missing number of the following equivalents fraction 3/4 = 27\[ ] = [ ]\52

12. Convert the fraction 21/8 to decimal—-

13. Simplify 72ten divides by 3ten, leave your answer in base two

SECTION C: THEORY; Instruction: Answer any 2 questions in the Section and clearly show your workings.

1a. Simplify 1111100two divided by 10two

1b. Multiply 1011two by 101two

2a. Arrange the following fraction in ascending order… 2/3, 1/7, 3/7, 6/7, 1/3, 2/7, 5/7

2b. Round off 0.43263857 to the nearest 1, 2,3, 4 and 5 decimal places

3a. Fifty-five is divided by one-fifth. (I). what is the answer. (ii) if ninety- five is deducted from the answer, what is the final result.

3b. Find the fourth equivalent fraction of 3/7

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