Decimal Operations Word Problems: 2/3 RL

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It represents a part of a whole number using a dot (decimal point) to separate the whole number from the fractional part.

Front

How do you divide a decimal by a whole number?

Back

To divide a decimal by a whole number, you can perform the division as you would with whole numbers, and then place the decimal point in the quotient directly above the decimal point in the dividend.

Front

What is the process to multiply a decimal by a whole number?

Back

To multiply a decimal by a whole number, multiply as if there were no decimal point, then count the total number of decimal places in the numbers being multiplied and place the decimal point in the product accordingly.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would with whole numbers, carrying over if necessary.

Front

What is the method for subtracting decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would with whole numbers, borrowing if necessary.

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting its value to a nearby specified place value, making it simpler while keeping it close to the original value.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator (top number) by the denominator (bottom number).

Front

What is the importance of estimating in decimal operations?

Back

Estimating helps to quickly assess the reasonableness of an answer before performing exact calculations.

Front

How do you solve a word problem involving decimals?

Back

Identify the question, extract relevant information, translate it into a mathematical expression, and then solve.

Front

What is the significance of the decimal point in a number?

Back

The decimal point separates the whole number part from the fractional part, indicating the value of each digit based on its position.