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