Sunday, October 31, 2010

Coin Challenge



How can 3 dimes and 9 pennies be placed in three rows with 23 cents in each row?

100 Coin Challenge

 

Put 100 coins on the table.    Make the widest structure that you can that stands at least 1 inch tall with the coins.  Every coin must touch another coin and try to have the fewest coins touching the table.  

When you’re done, check out this.

Saturday, October 30, 2010

Pencil Math Challenge






An average pencil can write about 50,000 words.  How many words can 8 pencils write?  How many can 80 pencils write?

Fraction Math Challenge

Thursday, October 7, 2010

Place Value Lesson Plan

Numbers are made up of digits in the same way that words are made up of letters. Digits can be any number from 0 to 9. 

Place Value is the value given to the place a digit has in a number.


The number 432 (four hundred thirty-two) is made up of the digits 4,3, and 2. Each digit has a special value which depends on its place in the number.

These words are called place value headings.
ten thousands thousands hundreds tens ones
    4 3 2
The number 432 is made up of :

four hundreds
three tens
and two ones

You Try:
Think about how you would say the number 68,143. Copy the chart and write the numbers in the correct column.
ten thousands thousands hundreds tens ones
       
 



For more practice click here.

Thursday, September 16, 2010

Friday, September 10, 2010

Fun Math Challenge

If you continue the pattern that is shown on the chart below, under which letter would you find the number 100?  Explain how you solved the problem.