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209 + 444

Estimate to add: 3-digit numbers
for 5th grade

Estimate by rounding 3-digit numbers to 1 significant figure and then adding

Below is a table showing the first 6 question answer pairs for the topic "Estimate to add: 3-digit numbers " as used in the lessons for this topic. Our games and tests for the topic use these 6 items plus 8 additional question answer pairs.

The topic "Estimate to add: 3-digit numbers " is in the category Addition for 5th grade (ages 10 to 11).

1 / 6
If the numbers are rounded to 1 significant figure before adding, 209 + 444 sums to 600
209 + 444
600
2 / 6
If the numbers are rounded to 1 significant figure before adding, 671 + 171 sums to 900
671 + 171
900
3 / 6
If the numbers are rounded to 1 significant figure before adding, 325 + 235 sums to 500
325 + 235
500
4 / 6
If the numbers are rounded to 1 significant figure before adding, 371 + 582 sums to 1000
371 + 582
1000
5 / 6
If the numbers are rounded to 1 significant figure before adding, 622 + 575 sums to 1200
622 + 575
1200
6 / 6
If the numbers are rounded to 1 significant figure before adding, 136 + 162 sums to 300
136 + 162
300

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Each of our math topics for elementary are made up of between 6 and 20 question and answer pairs (both the written form and a robot voice speaking those questions and answers). Each topic can be used with all the activities on the site.


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