molloy handout 2016

7/23/2019 Molloy Handout 2016

http://slidepdf.com/reader/full/molloy-handout-2016 1/17

Mary Behr AltieriP/NW BOCESSW BOCES



TO THE PARTICIPANTS IN THE HOW TO ... AT MOLLOY 2016:Learning Requires ENGAGEMENT!

This flash drive is for your personal use. You may share it with colleagues butDO NOT PUBLISH IT ON PAPER OR POST IT ON THE INTERNET!! If you doshare it, please pass on the caveat about publication

If you have any questions about any of the topics of our workshop or would liketo contact me, you may do so by email.

Thanks for coming to the workshop!

Mary Behr [email protected]



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Purpose: Mental math practice, use of properties of operations to solve problems.

Materials: One deck of regular playing cards with picture cards removed.

Set-up:• The cards are placed in a stack at the center of the table (face-down).

• Five cards are removed from the stack, one at a time, and placed in a row

face- up.

• A sixth card is removed from the stack and placed face up below the row offive. This card is called the “solution card.”

Object of the Game: Find a path to the solution card using as many cards in therow as possible with any arithmetic operations. (Each card may be used only

once.)

Play: The first person to see a possible path to solution says, “SOLUTION!” andtells the rest of the group what his/her path is. If he or she is correct, he/she winsthe cards used for the path to solution AND the solution card itself. Replace allcards that have been taken (won) by new cards from the center stack. Playcontinues in this fashion until no cards are left.

The player with the most cards at then end of the game is the winner.



FROM HERE TO THERE

These games are rather quick ones that provide practice in counting by various units. There aresome strategies involved that become rather sophisticated but knowing the strategies is notrequired to play the games. Strategy just enhances the chance of a win.

They are all two-player games.

Game One: Getting to 100.

Each player starts with ten dimes and ten pennies. Players take turns contributing one, two orthree coins to the “pot”. On placing the coins in the pot, the player calls out the cumulative total

after each coin s/he places. The person who puts in the coin to make the total value of the potexactly one dollar is the winner. (Each player must place at least one penny in the pot duringthe course of the game—which keeps it from being just a game of dimes and counting by tens.)

Variations on this game:

• Play on a one-hundred chart that is big enough to place the coins right on the chart. Bothplayers are placing their coins on the same chart.

• Play on a one-hundred chart by crossing out the numbers that are called. Each player uses a

different color crayon and are crossing out the numbers are the same chart.

• With only plain or lined paper, write the numbers underneath each other in a list, each playerusing a different color , playing on the same list--again writing one, two or three

numbers. Each of the games above practices counting by tens and ones, which is a

valuable skill for all elementary students. The younger ones need to have reinforced theidea that when adding tens, the number in the ones place does not change. Although wemay think this is obvious, to many of our students it is not and is worth discussion.



More Variations for “From Here to There”

The first two variations come from: Trimathlon, by Sally & Sally.

1. Race to 100—There are many games with this title, but I found this one moreinteresting than most!

It is played the same as the basic game introduced in “From Here to There”, but in thisgame each player can choose any number from 1 to 10 to “put in the pot”. This game is

just played with pencil and paper or even just verbally. (Not so easy for the youngones—think of all the practice they can get adding one digit numbers to two digitnumbers—very often bridging a ten!)

2. Sally & Sally have also suggested changing the range of numbers on each round ofthe game. On a first round, each player can choose a number between 1 and 10 to add.On the next time around, each player can choose a number between 1 and 11; the nextround between 1 and 12.

Alternately, decreasing the range of the numbers players can choose adds anotherpossible variation.

All of these games are variations on an original game where the units are all thesame. The first one I saw was played with twelve toothpicks. Players on alternateturns pick up one or two toothpicks on a turn. The person to pick up the last

toothpick was the winner (or the loser). Playing this simpler game can help usdevelop generalized winning strategies for all such games.



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KEN KEN FOR THE CLASSROOM

Any educator can join for FREE atwww.kenkenpuzzle.com/teachers



Mary Behr Altieri

P/NW BOCES and SW BOCES

[email protected]

Thank you for coming. Enjoy the rest of your conference!

molloy handout 2016

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