Division Games
Division Games that teach how to:
Break down numbers into groups of 10, 100, and 1000
When you point to the hundreds place your child should be able to: tell you how many 100's in the hundreds place, how many tens in the tens place, and how many ones in the ones place.
Your child should also be able to: break numbers into 100s, 10s, and 1s in different ways.
For example, the number 137 can be composed from:
- 1 hundred, 3 tens, and 7 ones
- 13 tens and 7 ones
- 12 tens and 17 ones
- 11 tens and 27 ones
There are a million ways your can motivate your child to practice taking apart numbers.
Crazy Math Mom Division Games:
Newspaper numbers: Find large numbers in the newspaper and see if you can break it apart together- 3,543 is 3 thousands, 5 hundreds, 4 tens, and 3 ones.
Signs... Signs....Look for signs with numbers and break them apart- gas prices are perfect! $3.95 cents a gallon becomes 395- 3 hundred, 9 tens, and 5 ones.
I'm Thinking of a Number
This activity is best played in pairs.
Child A thinks of a number. They state a range in which their number can be found, e.g. "My number is between 0 and 100" or "My number is between 250 and 500".
Child B has to ask Child A questions in order to find out the number, but A can only reply using "Yes" or "No" answers.
For example...
Child A: My number is between 50 and 150
Child B: Is it less than 100?
Child A: Yes.
Child B: Is it more than 75?
Child A: No.
And so on...
The children could count the number of questions that they each asked, seeing who found the mystery number in the lowest number of questions.
Dog Bone:
This computer games helps reinforce place value. As always, be careful to use this game to :"reinforce" concepts not to teach.
Breaking numbers apart like this is known in the "educational world" as expanded notation- it will be valuable in many mathematical areas.
Standard form: A way of writing numbers using digits
Expanded form: A way to write numbers by showing the VALUE of each digit
Word form: A way to write numbers using word
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