Using Subtraction in Solving Multi - Step Word Problems

Front

What is subtraction?

Back

Subtraction is a mathematical operation that represents the process of removing objects from a collection. It is the inverse of addition.

Front

How do you solve a multi-step word problem?

Back

To solve a multi-step word problem, identify the key information, break the problem into smaller steps, perform the necessary calculations, and check your work.

Front

What is a word problem?

Back

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

Front

What does it mean to 'donate' in a word problem?

Back

To 'donate' means to give away something, often for a charitable purpose, which reduces the total amount of that item.

Front

If you start with 30 items and give away 10, how many do you have left?

Back

30 - 10 = 20 items left.

Front

What is the first step in solving a subtraction word problem?

Back

The first step is to read the problem carefully and identify the total amount and what is being subtracted.

Front

How do you represent a subtraction problem mathematically?

Back

A subtraction problem can be represented as: Total - Amount Given Away = Remaining Amount.

Front

What is the importance of checking your work in math?

Back

Checking your work helps to ensure accuracy and identify any mistakes made during calculations.

Front

What is a key phrase that indicates subtraction in a word problem?

Back

Key phrases include 'left', 'remaining', 'after giving away', and 'how many are left'.

Front

If a farmer has 50 apples and sells 15, how many apples does he have now?

Back

50 - 15 = 35 apples left.