Adding 3-digit Numbers
Videos, stories and songs to help Grade 3 students learn how to add 3-digit numbers.
3-digit addition
Regroup ones and tens (using base 10 blocks & place value)
Example:
256 + 178 =
367 + 286 =
489 + 357 =
Multi-Digit Addition
Example:
215 + 32 =
1,850 + 354 =
145 + 809 + 77 =
Learn how to add 2- and 3-digit numbers.
Also learn how to check your answer using the inverse operation.
Example:
176 + 148 =
74 + 46 =
45 + 321 =
Addition with Regrouping Song
3-Digit Addition
Example:
597 + 911 =
189 + 985 =
231 + 496 =
Check out our most popular games!
Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!
Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.
Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.
Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.
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