Using playing cards to help practice math

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# Using playing cards to help practice math - PowerPoint PPT Presentation

Using playing cards to help practice math Presented by Joe Hill Director of Math and Technology Rockingham County Public Schools Introduction... Here are some ideas on how you can practice math skills using common playing cards. SOLUTION PROBLEM Try this card activity...

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## Using playing cards to help practice math

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Presentation Transcript

### Using playing cards to help practice math

Presented by

Joe Hill

Director of Math and Technology

Rockingham County Public Schools

Introduction...

Here are some ideas on how you can practice math skills using common playing cards.

SOLUTION

PROBLEM

Try this card activity...

Arrange the five cards shown below in the five boxes shown to the right such that the sum, both horizontally and vertically, is 8.

SOLUTION

PROBLEM

Now change it a little….

Arrange the five cards shown below in the five boxes shown to the right such that the sum, both horizontally and vertically, is 9.

SOLUTION

PROBLEM

And change it again...

Arrange the five cards shown below in the five boxes shown to the right such that the sum, both horizontally and vertically, is 10.

SOLUTION

PROBLEM

Try this card activity

Arrange the six cards shown below in the six boxes shown to the right such that the sum along all three arrows is9.

SOLUTION

PROBLEM

Now change the sum...

Arrange the six cards shown below in the six boxes shown to the right such that the sum along all three arrows is 10.

SOLUTION

PROBLEM

Change it again...

Arrange the six cards shown below in the six boxes shown to the right such that the sum along all three arrows is 11.

SOLUTION

PROBLEM

And again...

Arrange the six cards shown below in the six boxes shown to the right such that the sum along all three arrows is 12.

PROBLEM

SOLUTION

A new challenge

Place the eight cards in the eight boxes so that no two consecutive cards are adjacent in any way--including corners.

SOLUTION

PROBLEM

Next challenge….deal the cards

Begin with the ten cards 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10. Deal them in this manner: deal the first one, then put the second one on the bottom of the deck. Deal the third card, then put the fourth one on the bottom of the deck. Continue in this fashion until all are dealt. Arrange the cards so that they will be dealt in order: 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10.

### The End!

Hope you enjoyed solving problems with playing cards.

SUM = 8 SOLUTION

Notice the middle card

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SUM = 9 SOLUTION

Notice the middle card. See a pattern?

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SUM = 10 SOLUTION

Notice the middle card. See a pattern?

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SUM = 23 SOLUTION

23 is the lowest sum possible for this game. Other possible sums are 24 and 25.

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ALGEBRA SOLUTION

For any five consecutively numbered cards, you can find sums of (3n + 5), (3n + 6), and (3n + 7) where n is the lowest card. In the example below, the possible sums are 17, 18, and 19.

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SUM = 9 SOLUTION

Notice the numbers in the corners.

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SUM = 10 SOLUTION

Notice the numbers in the corners. See a pattern?

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SUM = 11 SOLUTION

Notice the numbers in the corners. See a pattern?

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SUM = 12 SOLUTION

Could you make a sum of 13 all three ways??

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SUM = 21 SOLUTION

What other sums could you make with these six cards?

22, 23, and 24

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SOLUTION

Notice the middle numbers.

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CARD DEAL SOLUTION