Read the question

Problem-solving involving subtraction: Basic
The question content

Then answer and click the Submit button to send the answer and view the results.

In case of an incorrect answer

Problem-solving involving subtraction: Basic - answer incorrect
The answer result

View the answer result
Then click the Solution To view instructions on how to answer correctly.

Problem-solving involving subtraction: Basic - solution 1
Step 1

In case of a correct answer

Problem-solving involving subtraction: Basic - answer correct
Correct result

Check the correct result
and then press the Next to continue answering the next question.