Thursday, February 19, 2009

1. Click here and use the recording sheet to find out the divisibility of large numbers.

2. Make sure you have all of the Notes:

A number is divisible

• by 2 if the number is even
• by 3 if the sum of its digits is divisible by 3.
• by 4 if the last two digits form a number divisible by 4
• by 5 if the number ends in 5 or 10
• by 6 if the number is divisible by both 2 and 3.
• by 9 if the sum of its digits is divisible by 9.
• by 10 if it ends in a 0

3. I Can Practice #19 Divisibility, Round 1 in your Math Composition Notebook

4. Play Number Munchers! You can choose - play Primes or Multiples.