Consumer Mathematics: Taxation

Income tax

A tax charged on a person’s income; SPM covers the arithmetic of computing it, not tax advice.

EnglishIncome tax
Bahasa MelayuCukai pendapatan
中文所得税

How it is used

With a taxable income of RM37,000 and the rate table given (tax on the first RM35,000 = RM600, and 8% on the balance), the income tax is RM600 + 8% × RM2,000 = RM600 + RM160 = RM760.

Where it shows up in SPM

In Consumer Mathematics (Taxation), Form 5. A typical Paper 2 item gives a banded rate table and asks you to compute the tax step by step; Paper 1 may ask a single-band percentage calculation or which band a taxable income falls into.

Don't confuse it with

Taxable incomeTaxable income is the amount you tax; income tax is the money payable that you get after applying the rates to it.
Tax rebateA rebate is subtracted from the tax itself after it is computed, whereas the rates are applied to income to get the tax in the first place.

Open the chapter: Consumer Mathematics: Taxation →

Frequently asked questions

How do I use a banded (progressive) rate table?

Take the fixed tax shown for the completed lower bands, then apply the next band's percentage only to the part of income above that band. Add the two together.

For RM37,000: RM600 for the first RM35,000, plus 8% of the RM2,000 above it.

Does the higher percentage apply to my whole income?

No. Only the portion inside each band is taxed at that band's rate.

The lower bands keep their lower rates, which is why the table gives a fixed amount for the completed bands and a percentage only for the balance above them.

Is this the same as learning tax law?

No. SPM Mathematics only tests the arithmetic of computing tax from a table given in the question.

You are not expected to know current official rates from memory or to give tax advice; just apply the figures provided correctly.

Related terms

One-hour paid trial · Same-day replyfrom RM50/hr
Book a Trial Class