Estimate sum and differences
Estimate to the nearest thousand sum or
difference.
96,420 − 63,877
96,000-64,000= 32,000
Estimate:_________________
246,890 + 13,579 =
246,890 + 13,579 =260,469
Estimate:261,000
Which statements describe the difference of 19,432 and 12,130?
The difference is about 7,000.
The difference is 7,000.
The difference is less than 7,000.
The difference is greater than 7,000.
The difference is about 7,000. The difference is greater than 7,000.
Estimate to the nearest hundred thousand
871,432 − 406,895
900,000-400,000=500,000
Estimate:________
594,341 + 307,899
Estimate:900,000
Answer:902,240
An inventor wants to raise $25,000 to start a project. The first week, he raises $12,415. The second week, he raises $11,592. How much more money does he need to raise?
$993
Estimate to the nearest thousand
8,675 + 3,214
9,000 + 3,000= 12,000
A video receives 10,678 views the first day. It receives 25,932 views the second day. How many views does the video receive in two days?
36,610 views
A football team has an attendance of 82,621 at its first game and 79,903 at its second game. What is the total attendance for the two games?
162,524 people
Estimate to the nearest ten thousand
827,615 + 54,306
830,000+50,000= 880,000
Find the missing digits
759,___70 + 23__,192= 993,762
5,4
A blogger has 4,963 subscribers. The blogger gains 3,266 more subscribers. Then the blogger loses 593 subscribers. How many subscribers does the blogger have now?
7,636 subscribers
Is 20,549 + 9,562 greater than or less than 30,000? Explain how you know without finding the exact sum.
greater than; If you estimate the sum by rounding to the nearest hundred, you get an answer greater than 30,000.
House A costs $24,450 less than House B. How much does House B cost?
House A: $175,500 House B: $?
House B: $199,950
A school collects 1,419 cans of food. Each of 8 classrooms collected 70 cans. How many cans of food were collected by the other classrooms?
859 cans of food