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Showing posts with label place value. Show all posts
Showing posts with label place value. Show all posts

The Greatest Sum - an Addition Game with Strategy and Fun!

Here's a game my students have been playing for years called The Greatest Sum! I've put it together with lots of variations!

 
The Greatest Sum - an Addition Game with Strategy and Fun! This place value game practices adding 2-4 digit numbers (with or without regrouping) with many variations!

The basic game is played with two 2-digit numbers. The children choose one number square at a time, and decide where to place it on their boards. It takes them only a short time to figure out they should put the greater numbers in the tens column, and the lower numbers in the ones column. You can use the numbers included in this package, or you can use tiles, cubes, or other interesting manipulatives and write the numerals 0-9 on them, as I have done in these pictures.

The Greatest Sum - an Addition Game with Strategy and Fun! This place value game practices adding 2-4 digit numbers (with or without regrouping) with many variations!

Here's how to play:

1. Place the tiles (or number squares) face down between 2 "Greatest Sum" boards.
 
2. The first player takes a tile and places it in one of the squares on his board. That player should think about which square might bring them the greatest sum, since he isn't allowed to move it once he lets go!
 
3. Play continues between the two players until all squares on both boards are filled.
 
4. Which player has the greatest sum? Players may use paper & pencil, whiteboards, number grids, a calculator, or mental math to determine each round's winner. (Teacher's choice!)

As you can see in this preview, there are plenty of variations to this game!

The Greatest Sum - an Addition Game with Strategy and Fun! This place value game practices adding 2-4 digit numbers (with or without regrouping) with many variations!


Explore the image or explore this link: The Greatest Sum


Which player had the greatest sum?


The Greatest Sum - an Addition Game with Strategy and Fun! This place value game practices adding 2-4 digit numbers (with or without regrouping) with many variations!The Greatest Sum - an Addition Game with Strategy and Fun! This place value game practices adding 2-4 digit numbers (with or without regrouping) with many variations!
The Greatest Sum - an Addition Game with Strategy and Fun! This place value game practices adding 2-4 digit numbers (with or without regrouping) with many variations!


Golfing for Tens

I found a child's golf set at the local dollar store, and decided it would be great for a math game! Here's how it worked!I found a child's golf set at the local dollar store, and decided it would be great for a math game! Here's how it worked!

Thursday I had 3 doctor's appointments.  Not 1, not 2, but 3. (I'm fine, just happened to schedule them on the same day!) I also went to the dentist on Tuesday and had my flu shot on Wednesday, so I should be all set for a while!

Since 2 of the 3 doctors are a half hour away, I was looking to fill time between appointments, so I went into the local dollar store.

I found a child's golf set at the local dollar store, and decided it would be great for a math game! Here's how it worked!I found a child's golf set at the local dollar store, and decided it would be great for a math game! Here's how it worked!I'm always looking for cute ideas for school in the dollar store. I'm either looking for organizational ideas or game ideas.  As I was browsing through the toy section, I saw the perfect game for my sports themed classroom:  golf sets!
I found a child's golf set at the local dollar store, and decided it would be great for a math game! Here's how it worked!I was planning the math game I was going to make while standing in line to make my purchase. (Do all teachers do this sort of thing when they take a day for doctors appointments?)

I found a child's golf set at the local dollar store, and decided it would be great for a math game! Here's how it worked!We've been working with addition of single digit numbers in our new math pilot program:  enVisions. The math part was so easy, I wanted to bump it up to adding tens. I figured they could work in teams, working on adding tens. I set up 3 lines, each a foot apart, and decided they could and take a few shots from different level.

As you might have guessed, the kids loved it! They were even good about working quietly while the other groups did their "sitting down" work, which is not easy for adults, never mind second graders! However, they knew they'd lose the privilege, so they worked hard to golf quietly!

The only problem? Those plastic golf balls were so light, the kids had trouble aiming them. Therefore, hardly any balls went into the cup, so they didn't get much practicing adding up points. I'm going to bring in real golf balls tomorrow, and I'm sure the extra weight will help them have more real "adding tens" practice. In the meantime, it was a great lesson in adding zeroes, and the kids really enjoyed it!

See the picture or HERE for your "golfing for tens" resource. I'm sure they have the golf sets in the toy section of most dollar stores!  

 Enjoy your golfing!

I found a child's golf set at the local dollar store, and decided it would be great for a math game! Here's how it worked!

 
I found a child's golf set at the local dollar store, and decided it would be great for a math game! Here's how it worked!



 


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