01/25/2021 Math Mights Add 2-Digit Numbers Season 3 Episode 304 | 15m 59sVideo has Closed Captions| CC Join Mrs. Markavich for a word problem with her friend Professor Barble!

Join Mrs. Markavich for a missing addend word problem with Professor Barble! Next look out for two of favorite Math Might friends D.C. and Value Pak as they help use learn to add two-digit number ...

If you can add two 3-digit numbers, then you can use the same method to add 4-digit numbers together. Just remember to add on the number that you have regrouped.

Test out your knowledge of adding 3-digit and 1-digit numbers together with this quiz, then read on to complete the page.

The two-digit number ab stands for 10a + b since the first digit represents tens and the second represents units. If 10a + b = 7 (a + b), then 10a + b = 7a + 7b, and so 3a = 6b, or more simply, a ...