Fun Mathematical Problems with Toblerone Bars
Explore various math problems involving Toblerone bars, including determining the number of peaks in fractions, sharing peaks between children, and more. Engage in interactive activities to enhance understanding of fractions and mathematical concepts.
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One More Logic Quesion The Lady or the Tiger?
In this problem, it is possible to have TWO tigers or TWO ladies hidden behind the doors. Behind the doors Sign 1 Sign 2 Lady / Lady Lady / Tiger Tiger / Lady Tiger / Tiger
Today Well Assume That All Toblerones Have 12 Peaks You ll need 24 blocks for the 2nd problem today.
Review mental math How many peaks are there in 1/4 of a Toblerone bar? Whisper to a partner. How many peaks are there in 1/6 of a Toblerone bar? Whisper to a partner.
Good Job! You ll need the 24 blocks for the next exercise. Arrange them in 2 trains of 12:
Question: Can we fit 14 peaks in a 12-peak Toblerone box?
Ms J. buys TWO Toblerone bars. Each one has 12 peaks. But she s gotten so hungry that on the way home, she EATS 8 peaks! How many peaks does she have when she gets home? Be ready to show me your blocks. What fraction of a Toblerone does she have when she gets home? Talk to a partner. Be ready to defend your answers.
Can you think of 3 ways to name this fraction?
The next day, Ms. J buys TWO 12-peak Toblerones, and eats 1/3 of one Toblerone on the way home. When she gets home, she shares the remainder equally among her FOUR children. What fraction of a Toblerone does each child receive? Talk to a partner. Be ready to defend your answers. Use your blocks if it helps.
Ramon saw it this way: Can you explain his thinking?
OK a new question. This time youll need A pencil The Toblerone Recording Sheet
Question #1. Three moms go to the store, and each of them buys one Toblerone bar. (3 bars in total) But on the way home, EACH of them eats 1/3 of a Toblerone bar! (Mom 1 eats 1/3 of hers, and Mom 2 eats 1/3 of hers, and so does Mom 3.) How many peaks do they have left when they get home? (Altogether all three moms.) Draw on your Recording Sheet to figure it out. Recording Sheet #1 Mom 1 Mom 2 Mom 3
Its not over yet!! The 3 ladies decide to give ALL the remaining Toblerone peaks to their 3 children who are waiting at home.(Each mom has one child) What fraction of a Toblerone does each child receive? Talk to a partner. Can you do this visually, without a new drawing? Mom 1 Mom 2 Mom 3
Sophia saw it this way: Can you explain her thinking?
Finish the remaining problems on your recording sheet. You can use blocks if it s easier. You can use colors if it s easier. Do as many problems as you can I ll collect them in at the end of class, to get a picture of your progress.
