Doubling and Halving frames for 2/3 digit numbers
Overall rating 4 out of 54.4 (5 ratings)
Last updated 25 April 2013, created 01 May 2012, viewed 3,126
Frames to help double or half numbers.
Put 2 digit number into top circle, partition into tens and units, double each following the arrows to put the new numbers into then add together and put the answer into the bottom circle.
Put a 3 digit number into the top circle, partition into hundreds, More… tens and units, double the numbers putting the new numbers into the box, add together and put the answer into the bottom circle.