Okay, so the picture is backwards, but here's the deal. This card represents the "24 Game Challenge" discovered by Luke. Use these four numbers (3, 7, 7, 3) to equal 24. You have to use each number exactly once. You can use any/all of the four basic operations. Let us know if you solve it! Thanks!
Wednesday, December 2, 2009
We need help with a math challenge!
Okay, so the picture is backwards, but here's the deal. This card represents the "24 Game Challenge" discovered by Luke. Use these four numbers (3, 7, 7, 3) to equal 24. You have to use each number exactly once. You can use any/all of the four basic operations. Let us know if you solve it! Thanks!
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Hi Ms. L and the 4th grade class,
ReplyDeleteIt took me most of the morning but I finally solved the puzzle. It requires you have a calculator and understanding order of operations(which do you do first in an equation-Division and multiplicaiton and then addition and subtraction), or you need to know how to add and multiple fractions. The answer is:
3 divided by 7, then add 3 and then multiply by 7
Try this on a calculator.
The way I solved the problem in my brain was to think in fractions. Here is how I thought about it:
3 divided by 7 is the same as the fraction 3/7.
I then added 3 which is the same as adding 21/7.
3/7 + 21/7= 24/7
I then multiplied by 7
(24/7) X 7 = 24
Thanks for letting me solve the problem.
Domenick Sciaruto
THIS IS HARD!!!!!!
ReplyDelete