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Estimating Differences SOL 2.8 Grade 2 Created by; Kim Smith
Estimations are_______. A.Exact answers B.As close as possible to exact C.Guessing D.Adding numbers for answers
Why do we estimate? A.To have an exact answer. B.To save time when an exact answer is not needed. C.To use as much tine as we need. D.None of the above
When we estimate differences do we subtract whole numbers? A.Yes B.No C.I do not know D.I can’t tell you
When estimating we combine numbers in many ways? A.No B.Yes C.Who knows D.I don’t know
When estimating do we usually depend on place value? A.Never B.Only when I have to. C.Yes D.I have no idea what you mean
If you have 10- ones what could you exchange them for? A.5 ones B.10 ones C.1 ten D.10 tens
In estimation if you have 28 ones what could you exchange them for? A.28 tens B.3 tens C.2 tens D.1 ten
If you need to estimate the difference of what would you choose? A.1 ten - 2 tens B.2 tens - 2 tens C.2 tens - 1 ten D.1 ten - 1 ten
If estimating the answer = you would use what? A.8 tens - 6 tens B.8 tens - 6 ones C.9 tens - 6 tens D.9 tens -7 tens
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