John thinks of a number.
He multiplies this number by 5 then subtracts 8.
His answer is 17. What was John's original number?
John's friend thinks of a number.
He then does the following operations:
Multiply by 2, subtract 7, multiply by 3 then add 69 (in that order). He finds that the number he ends up with is 12 times his original number.
What was John's friend's original number?
Change NumbersEasier Questions
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Teacher, do your students have access to computers such as tablets, iPads or Laptops? This page was really designed for projection on a whiteboard but if you really want the students to have access to it here is a concise URL for a version of this page without the comments:
However it would be better to assign one of the student interactive activities below.
Here is the URL which will take them to the Think Of A Number exercise.
Here is the URL which will you to our eQuation Generator which provides unlimited practice solving linear equations.