Question

lou wants to make 96 + 56 easier to solve in his head. he decides to add on from 96 to get to 100 first. + 4 96 100 + 4 add on to get to 100. 96 + \boxed{4} = 100 now, find the sum. 96 + 56 = 96 + (4 + 52) = (96 + 4) + 52 = \boxed{?}

Explanation:

Step1: Rewrite 56 as 4+52

$96 + 56 = 96 + (4 + 52)$

Step2: Use associative property

$=(96 + 4) + 52$

Step3: Calculate 96+4 first

$=100 + 52$

Step4: Add 100 and 52

$=152$

Answer:

152