| ACTIVITY:
The Jinx Puzzle |
|
| Directions: Here is a
puzzle that will always jinx you. See if you can figure out why.
Follow these steps: |
| |
Pick a number ______
|
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add 11______ |
| |
multiply by 6 ______
|
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subtract 3 ______
|
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divide by 3 ______ |
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add 5 ______ |
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divide by 2 ______ |
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Subtract the original number
______ |
| |
|
| Everyone try a number
and let’s see what we get as a class! |
| Why is it called the
Jinx Puzzle? |
| |
| Do you think it will
always work? Why do you think that? |
| What about weird
numbers? Do they work? |
| |
| How can we increase
our computing powers? |
| Can you find a number
that will not always end up as 13? If not, why not? |
| |
| Let’s write out the
equation and solve it! |
| What is the equation
of the line? |
| |
--> Key Guiding Question?
- How can we always get the same answer no matter what number
we start with?
- How can understanding equations help us solve this mystery?
- How can a spreadsheet be used to solve equations?
- How can we use the graph or the equation of the line to
predict the result?
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