198+132=? make a ten or a hundred to add mentally
Answer:
When rounded to tens, we get 330.
When rounded to hundreds, we get 300.
Step-by-step explanation:
198+132
Rounding to nearest tens.
198 = 200
132 = 130
Adding both we get \(200+130=330\)
Rounding to nearest hundreds.
198 = 200
132 = 100
Adding both we get \(200+100=300\)