A Wish on a
Golden Fish

In this short guide you will be able to preview the segment. You’ll also get some great ideas for in-class activities after watching the video with your students.

Here are 2 creative and fun in-class activities for before/after watching the video…

Breaking the Code

The table, Code Breaker, gives a value to each letter in the alphabet: A=1, B=2 etc. Using the Code Breaker, your students will have to solve the following three challenges –


Spell your favorite color

For example, the color BLACK= 2,30,1,3,20


Find out who the famous person is…

5, ___, 50, 100, 200, ___, 2, 50*

*The missing numbers are an extra challenge.
(The answer: Einstein.)


Select a name of a state/city
and present it by math operations

For example, the state of Florida:
 2×3; 60÷2; 25×2+10; 180÷2; 3×3; 36÷9; 1×1 

The Code Breaker


The Challenge

To open this safe you must use 3 digits in the correct order. Can you find them based on the following clues?

Can you find the 3 correct digits to open this safe?




Open the Safe


To solve this tricky challenge, we use the elimination strategy:







The 4th clue tells us that the numbers 3, 7 and 2 won’t be used. (0,1,4,5,6,8,9 are still optional)

5th clue – since 7 and 2 can’t be used, number 5 must be used in the first or second place.

1st clue: we eliminate the 2 and we know that 4 or 8 will be used: if it’s 8 it must be in third place, and if it’s 4 it must be in first place.

When checking the 2nd clue it’s clear that number 4 can’t be in first place, (because it contradicts the 1st clue)…so we eliminate number 4 and it is now clear that number 8 must be the third digit. (we also know that 9 or 6 will be used but not in their current places)

3rd clue – Since we eliminated number 4, we know that both 8 and 5 will be used. If 8 is in third place, 5 must be in first place.

So which digit will be in the middle? Back to the 2nd clue, we know that 9 or 6 will be in the middle. However, since 9 can’t be in the middle, we know that it must be number 6.


The correct digits:
5, 6, 8

After watching the Teacher’s Guide it is time to share the
“Wish on a Golder Fish”
with your students in class.

Please note: you must have a
password to view the segment.

We would love to hear from you. Your voice will help us develop and produce future videos. Please let us know how it worked in class, your students’ reactions, and the level of difficulty.

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