Benchmarks
Estimate 2376 to the closest thousand
2000
Estimate the sum of 4003 and 2963
7000
Estimate the difference between 2593 and 1590
1000
Estimate the sum of 4.6 and 7.1
12
The materials for a playground cost $28 565 and the labor will cost $15 870. The committee has raised $45 000. Does the committee have enough money?
yes
Estimate 54 734 to the closest thousand
55 000
Estimate the sum of 9539 and 478
10 000
Estimate the difference between 8025 and 980
7000
Estimate the sum of 5.248 and 0.732
6
Taking 10 000 steps a day is the target for healthy living. Suppose you take 8934 steps in a day. About how many more will you need to take to reach your target?
About 1000
Estimate 7656 to the closest hundred
7700
Estimate the sum of 3654 and 372
4000
Estimate the difference between 7415 and 4002
3400
Estimate the difference between 21.6 and 3.8
about 18
Sam collected 3385 Canadian stamps and 2599 stamps from other countries. About how many stamps does he have altogether?
6000
Estimate 45 859 to the closest tens
45 860
Estimate the sum of 1999 and 999
3000
Estimate the difference between 6056 and 985
5000
Estimate the difference between 743.6 and 1.8
742
Carley collected 45 880 coins and Nicole collected 56 250. About how many more coins did Nicole collect?
About 10 000 more
Estimate 9 992 to the closest hundred
10 000
Estimate the sum of 35 762 and 14 345
50 000
Estimate the difference between 7520 and 807
6500
Is the difference between 58.37 and 22.845 closer to 30 or 35?
35
There are 8625 tickets for a concert. 6885 tickets have already been sold. About how many more need to be sold for the concert to be sold out?
About 1600 more tickets