##### Notes

This printable reviews the Common Core Mathematics Standards for the grade 3 Numbers & Operations in Base Ten domain.

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# Numbers & Operations in Base Ten Review (Grade 3)

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## Numbers & Operations in Base Ten Review

1.
$ul({:( ,150),(+,250):})$

2.
$ul({:( ,824),(+,106):})$

3.
$ul({:( ,741),(-,207):})$

4.
$ul({:( ,303),(-,236):})$

5.
$20 xx 6 =$

6.
$10 xx 9 =$

7.
Fill in each blank with the missing three-digit number that makes the equation true.

$300 + 200 = 100 +$

$+ 235 = 150 + 250$

$680 +$              $= 490 + 410$

$542 + 319 =$              $+ 487$

$703 + 198 = 374 +$

8.
Fill in each blank with the missing three-digit number that makes the equation true.

$900 - 200 = 800 -$

$- 105 = 535 - 245$

$680 -$              $= 810 - 230$

$528 - 364 =$              $- 436$

$677 - 109 = 843 -$
9.
Two hundred sixty-two students attend Westerbrook Elementary School. Round the number of students who go to Westerbrook to the nearest hundred.

10.
Tara has nineteen magazines. Round the number of magazines Tara has to the closest ten.

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