Use this ZIMSEC O-Level Mathematics Paper 1 June 2019 marking scheme for checking answers, revision, and exam preparation in Zimbabwe.
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Questions: ZIMSEC O-Level Mathematics Paper 1 June 2019 Question Paper
This is the ZIMSEC O-Level Mathematics marking scheme for Paper 1 from June 2019. It shows how marks are awarded, so you can mark your own answers to the matching question paper. The paper code is 4004/01. See the question paper.
4004/01 JUNE 2019 SOLUTION GUIDE
\multicolumn{2}{|c|}{QUESTION} | SOLUTION | MARK | ADDITIONAL GUIDANCE
1 | (a) | $\frac{12}{25}=0,48$ | 1 | Evidence of accurate division by 25 .
| (b) | $\frac{2}{5} \times \frac{100}{1}=40 \%$ | 1 | To express a fraction as a percentage you multiply by 100 .
| (c) | \[
0,0375=\frac{375}{10000}
\]
\[
=\frac{3}{80}
\] | 1 | Correct reduction of the numerator and the denominator using common factors till they are in their simplest form.
2 | (a) | 49 | 1 | Study the pattern and identify that these are perfect squares.
| (b) | $\sqrt{13}$ | 1 | Study the sequence and identify that these are square roots of prime numbers.
| (c) | $\frac{1}{2}$ | 1 | Study the sequence and identify that the next term is obtained by dividing by 2 or multiplying by $\frac{1}{2}$ the previous term.
3 | &
12:13:15
\[
12+13+15=40
\]
$\frac{12}{40} \times \frac{100}{1}=$ 30$
$\frac{13}{40} \times \frac{100}{1}=$ 32.50$
|
1
1
| The candidate should find the total of the ratios and then calculate each ration over the total ratio and multiply by $$ 100$