TED-Ed: Can you solve the giant iron riddle? - Alex Gendler
Interactive Video
•
Mathematics
•
6th - 7th Grade
•
Hard
Wayground Content
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main challenge faced by the giants in the video?
Identifying two working batteries
Cooking a meal for the party
Locating a missing giant
Finding a matching pair of shoes
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it not efficient to test all 28 possible battery combinations?
There are not enough batteries to test
It would take too long to move the giant batteries
The batteries are all identical
The batteries are too heavy to lift
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key insight that helps solve the battery problem?
Testing batteries in pairs of two
Using a different type of battery
Dividing batteries into smaller subsets
Charging the batteries before testing
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are the batteries divided to ensure a working pair is found?
Into sets of 4, 2, and 2
Into sets of 3, 3, and 2
Into sets of 2, 2, and 4
Into sets of 1, 1, and 6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the outcome once the batteries are correctly identified?
The batteries are discarded
The iron powers up and the shirt is ironed
The shirt remains wrinkled
The iron fails to work
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