Read the question

Double 3 is?

Using mental strategies: Single, double and triple
The question content

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

In case of an incorrect answer

Using mental strategies: Single, double and triple - answer incorrect
The answer result

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

Using mental strategies: Single, double and triple - solution 1
Step 1
Using mental strategies: Single, double and triple - solution 2
Step 2

In case of a correct answer

Using mental strategies: Single, double and triple - answer correct
Correct result

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