Wednesday, 10 April 2013
Using a doubles halves startegy to solve multiplication problems
Here marika explains how to solve a multiplication problem using a double halve strategy. he know he cannot change the amount of blocks he has but he can re arrange the array to make it easier for him to solve. here he has a problem 18 x 5 = so he changes the array to make 10 x 9 as it is easier to solve.