QCM : Mastering Essential Math and English Skills — 4 questions

Questions et réponses du QCM

1. What is reading comprehension in exam skills?

The ability to understand and extract meaning from written texts
The ability to memorize long passages quickly
The use of subject-specific words in science explanations
The skill of writing sentences with perfect punctuation

The ability to understand and extract meaning from written texts

Explication

Reading comprehension means understanding a written text and extracting its meaning. The other options describe writing, vocabulary, or memorization rather than comprehension.

2. Why should exam answers in English use precise scientific vocabulary?

To replace the need for correct grammar
To make explanations sound accurate and exam-ready
To make sentences longer and more detailed
To avoid organizing ideas into a clear paragraph

To make explanations sound accurate and exam-ready

Explication

The material says scientific vocabulary should be used precisely so explanations sound accurate and exam-ready. It does not replace grammar or paragraph structure.

3. What does solving equations step-by-step involve?

Substituting random values until the equation balances
Combining unlike terms without changing either side
Applying the same operation to both sides to isolate the unknown
Rewriting the equation as a graph before solving

Applying the same operation to both sides to isolate the unknown

Explication

Solving step-by-step means using inverse operations on both sides until the variable stands alone. Random guessing or graphing is not the method described here.

4. What should you do after solving a linear equation to check your answer?

Substitute the solution back into the original equation
Change the sign of the variable to confirm it works
Rewrite the equation in a different algebraic form
Expand brackets again to see if it simplifies

Substitute the solution back into the original equation

Explication

Checking a solution means substituting it back into the original equation to verify that both sides are equal. This confirms the answer is correct.

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English grammar — role?

Rules governing word forms and sentence structure.

Linear equations — highest power?

The highest power of the variable is 1.

Fractions to percentages — conversion?

Multiply the fraction by 100%.

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