Adding and Subtracting Decimal Word Problems

Front

What is a decimal?

Back

A decimal is a way of representing numbers that are not whole numbers, using a point to separate the whole part from the fractional part.

Tags

CCSS.2.MD.B.6

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.

Tags

CCSS.5.NBT.B.7

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.

Tags

CCSS.5.NBT.B.7

Front

What is the purpose of estimating in decimal problems?

Back

Estimating helps to quickly find an approximate answer, making it easier to check if the exact answer is reasonable.

Front

How do you find the difference between two decimal numbers?

Back

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

Tags

CCSS.5.NBT.B.7

Front

What does 'how much more' mean in a word problem?

Back

'How much more' asks for the difference between two amounts, indicating how much additional quantity is needed.

Tags

CCSS.3.OA.D.8

Front

What is the average weight gain?

Back

Average weight gain is calculated by subtracting the initial weight from the final weight and dividing by the number of items.

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

Front

How do you solve a word problem involving money spent?

Back

Identify the total amount, the remaining amount, and subtract the remaining amount from the total to find the amount spent.

Front

What is a word problem?

Back

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

Tags

CCSS.2.OA.A.1

Front

What is the significance of units in decimal problems?

Back

Units indicate what the numbers represent (e.g., dollars, grams, pounds) and are essential for understanding the context of the problem.

Tags

CCSS.5.NBT.B.7