Fraction and Decimal Operations

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (the number of parts) and 'b' is the denominator (the total number of equal parts).

Front

What is a decimal?

Back

A decimal is a way of representing fractions using a point (.) to separate the whole number from the fractional part. For example, 0.5 represents 1/2.

Front

How do you multiply a decimal by a decimal?

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

Front

What is the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width (Area = Length x Width).

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would with whole numbers, placing the decimal point in the answer directly below the other decimal points.

Front

What is division of fractions?

Back

To divide fractions, multiply the first fraction by the reciprocal of the second fraction (e.g., a/b ÷ c/d = a/b x d/c).

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator (e.g., 1/4 = 0.25).

Front

What is the price per item?

Back

The price per item is calculated by dividing the total cost by the number of items (Price per item = Total Cost / Number of Items).

Front

How do you find the total cost of multiple items?

Back

To find the total cost, multiply the price of one item by the number of items (Total Cost = Price per item x Number of items).

Front

What is the formula for finding the average?

Back

The average is found by adding all the values together and dividing by the number of values (Average = Sum of values / Number of values).