Adding and Subtracting Decimals Word Problems

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It uses a decimal point to separate the whole number part from the fractional part.

Front

How do you add decimals?

Back

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

Front

How do you subtract decimals?

Back

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

Front

What is the importance of place value in decimals?

Back

Place value determines the value of each digit in a decimal number, affecting the outcome of addition and subtraction.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

Front

What is the process to solve a word problem involving decimals?

Back

1. Read the problem carefully. 2. Identify the numbers involved. 3. Determine the operation needed (addition or subtraction). 4. Solve the problem using decimal addition or subtraction.

Front

If Mr. Argo ran 9.41 km in a 22.01 km race, how do you find how far Mr. Stone ran?

Back

Subtract Mr. Argo's distance from the total distance: 22.01 km - 9.41 km = 12.6 km.

Front

How do you find the difference between predicted and actual amounts?

Back

Subtract the actual amount from the predicted amount: Predicted - Actual.

Front

What is a budget?

Back

A budget is a plan that outlines expected income and expenses over a specific period.

Front

How do you calculate remaining money after purchases?

Back

Subtract the total cost of purchases from the initial amount of money.