Math
These questions were done INCORRECTLY for homework by most of you.
page 96 #5
Estimate. Complete the calculation if the estimated sum of the numbers is between 4000 and 6000.
Show your rounded numbers.
2987 3000
2145 2000
5132 5000 The estimate is between 4000 and 6000, so you must calculate the sum.
3254 3000
162 200
3200 The estimate is NOT between 4000 and 6000, so you do NOT calculate the sum.
p 96 #6
Is the answer reasonable? Explain how you know.
4566 5000
2869 3000
9435 8000 This answer is NOT reasonable because the estimate is NOT close to the
calculated sum. It is too high.
1859 2000
2899 3000
3758 5000 This answer is NOT reasonable because the estimate is NOT close to the
calculated sum. It is too low.
3532 4000
4499 4000
8031 8000 This answer IS reasonable because the estimate is close to the calculated sum.
WE ESTIMATE THE SUM TO DETERMINE IF AN ANSWER IS REASONABLE!
