Decimal Word Problems- All Operations

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a dot (decimal point) separating the whole number from the fractional part.

Front

How do you divide a decimal by a decimal?

Back

To divide a decimal by a decimal, move the decimal point in the divisor to the right until it is a whole number, and move the decimal point in the dividend the same number of places. Then divide as usual.

Front

What is the average speed formula?

Back

Average speed = Total distance ÷ Total time.

Front

How do you calculate earnings from hourly wages?

Back

Earnings = Hourly wage × Number of hours worked.

Front

What is the importance of rounding in money problems?

Back

Rounding helps simplify calculations and ensures that the final answer is practical, especially in financial contexts.

Front

How do you find the cost per unit?

Back

Cost per unit = Total cost ÷ Number of units.

Front

What does it mean to multiply decimals?

Back

Multiplying decimals involves multiplying the numbers as if they were whole numbers, then placing the decimal point in the product based on the total number of decimal places in the factors.

Front

What is the process for adding decimals?

Back

Align the decimal points and add as you would with whole numbers, placing the decimal point in the sum directly below the other decimal points.

Front

How do you subtract decimals?

Back

Align the decimal points and subtract as you would with whole numbers, placing the decimal point in the difference directly below the other decimal points.

Front

What is a word problem in math?

Back

A word problem is a mathematical problem that is presented in the form of a story or real-life scenario, requiring interpretation and problem-solving.