Problem of the Week
By Trudy Gau
Congratulations to Evie N, Abby S and Aiden B, who were our winners last week.
š¶ļø Mild: Build The Tower
Rule: Add the two numbers below to find the number above.
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Complete the tower by filling in the gaps.
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Challenge: Change one number on the bottom row so the top number becomes 25.Ā
š¶ļøš¶ļø Medium: Missing Numbers
Rule: Ā Add the two numbers below.Ā
Find the missing numbers to complete the tower.
š¶ļøš¶ļøš¶ļø Spicy: Design a Number Tower
Rule: Add the two numbers below.
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Create a number tower that meets these conditions:
- The top number is 100.
- All four bottom numbers are different.
- Every number is a positive whole number.
- No number in the tower is greater than 100.
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Challenge: Find at least three different solutions. What patterns do you notice?
Is there more than one possible solution? Explain how you know.