Flashcard: Decimal Word Problems

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten, and it is represented with a decimal point.

Front

How do you subtract decimals?

Back

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

Front

What is the process to add decimals?

Back

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

Front

How do you multiply decimals?

Back

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

Front

What is the formula to calculate total cost from unit price and quantity?

Back

Total Cost = Unit Price x Quantity.

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over its place value (e.g., 0.75 = 75/100), and simplify if possible.

Front

What is the importance of rounding decimals?

Back

Rounding decimals is important for simplifying numbers to make calculations easier and for presenting data in a more understandable way.

Front

How do you find the difference between two decimal numbers?

Back

To find the difference, subtract the smaller decimal from the larger decimal.

Front

What is a word problem in mathematics?

Back

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

Front

How do you determine the total amount spent from multiple items?

Back

To determine the total amount spent, add the cost of each item together.