Thursday, October 23, 2014

using equal additions/using place value

place value.png

Make an explain everything on the i pad about how to use this strategy.
586+156=
So you make 586 in 500, 80,6, then you do the same to the other side 100, 50, 6.
Then you add the hundreds together and makes 600.
Then you add the tens together and makes 130.
Then you add the ones together and makes 12.
Then you add all the numbers together that makes 742.


equal.png

Write a word problem to show when this would be a good strategy to use.

Bob had a pack of 1000 jelly beans and Jimmy want some of Bob jelly bean some jelly beans so Bob was a bit greedy so he gave Jimmy 349 jelly beans how much jelly beans does Bob have left??? 1000-300=700 700-40=760 760-9=751

Monday, October 13, 2014