Addition & Subtraction Word Problems (Math TEKs 3.4A)

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

What does 'more than' mean in a word problem?

Back

'More than' indicates that you need to add a certain amount to a number.

Front

What does 'less than' mean in a word problem?

Back

'Less than' indicates that you need to subtract a certain amount from a number.

Front

How do you solve a word problem?

Back

1. Read the problem carefully. 2. Identify the numbers involved. 3. Determine if you need to add or subtract. 4. Write an equation. 5. Solve the equation.

Front

If a bakery sold 108 cookies and 69 brownies, how do you find out how many more cookies were sold?

Back

Subtract the number of brownies from the number of cookies: 108 - 69 = 39.

Front

What is a key step in solving word problems?

Back

Identifying keywords like 'more than', 'less than', 'total', and 'difference' helps determine the operation needed.

Front

What is the total cost if Gloria paid $229 and Stephanie paid $109 more?

Back

Add Gloria's cost to Stephanie's cost: $229 + ($229 + $109) = $567.

Front

What is a word problem?

Back

A word problem is a mathematical problem expressed in words, requiring interpretation to solve.

Front

How can you check your answer after solving a word problem?

Back

You can check your answer by plugging it back into the original problem to see if it makes sense.