#CreditCard March 7
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In March 2025, several of us are taking part in the 30-Day Math Puzzle Coach4aday Challenge. Each day, a new puzzle is posted, giving readers twenty-four hours to solve it before the correct answer and explanation appear in the following day’s blog—alongside the next challenge. Today the math puzzle is called CREDIT CARD.
30-Day Challenges serve a purpose of self-improvement. Solving math puzzles strengthens critical thinking, problem-solving, and logical reasoning skills by challenging the brain to recognize patterns and think creatively. It also helps improve memory and cognitive flexibility, keeping the mind sharp and engaged. There are many over the counter supplements for memory enhancement claiming to help us do this but exercising the brain is still better in my opinion.
Math Puzzle 30-Day Challenge Guidelines
Unlike previous challenges the Math Puzzle will appear just on the Coach4aday blog. The rules to participate are simple.
- Look at the puzzle and attempt to solve.
- If you gave it a shot, hit the like button at the end of the post—but please don’t share your answer and spoil the challenge for others. Feel free to brag about your success once the solution is revealed the next day!
- Keep up with your score and see how many you can solve in March
- If so, inclined share the post using the hash tag #Coach4adayChalllenge
Math Puzzle #8-Credit Card
Today’s puzzle requires establishing a pattern to solve what number is missing on the bottom credit card?
Don’t forget to hit the like button if you are attempting to solve today’s puzzle.
Math Puzzle #7-Answer
Yesterday’s keypad puzzle was the first one I could not solve. It required us to determine which number should replace the question mark to form accurate equations, knowing that three numbers are shown per row (i.e. two of the numbers form a two-digit number)?
Answer: 6 should replace the red question mark. Read every row as follows with a similar equation:
(3 + 2) x 2 = 10
(1 + 9) x 2 = 20
(0 + 8) x 2 = 16
(7 + 5) x 2 = 24
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