Topic 1

Round to Decimal Places

Adjusting a number to a specified number of digits after the decimal point.

Round to Significant Figures

Adjusting a number to a specified number of significant digits.

Estimate Using 1 Significant Figure

Approximating a number to its nearest value with only one non-zero digit.

Order Numbers

Arranging numbers in a specific order, such as ascending or descending.

Add and Subtract Fractions

Combining or taking away fractions by finding a common denominator.

Multiply and Divide Fractions and Mixed Numbers

Computing the product or quotient of fractions or mixed numbers.

Fraction of an Amount

Calculating a specific portion of a total amount.

Increase or Decrease by a Percentage

Changing a number by a specified percentage of its value.

Find a Percentage Change

Calculating the difference between two values as a percentage of the original value.

Reverse Percentages

Finding the original amount before a percentage increase or decrease.

GST (Goods and Services Tax)

A value-added tax imposed on the sale of goods and services.

Compound Interest

Interest calculated on the initial principal, which also includes all accumulated interest from previous periods.

Ratio

A relationship between two numbers indicating how many times the first number contains the second.

Best Value

The option that provides the most benefit for the least cost.

Exchange Rates

The value of one currency for the purpose of conversion to another.

Standard Form

A way of expressing numbers as a product of a number between 1 and 10 and a power of 10.