Learn how to use column addition to add 3-digit and 2-digit numbers with this Year 4 Bitesize learning guide for KS2.

Transcript You Might Also Like 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!

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 ...

The present paper describes the success, the methods (mental, informal written, standard algorithm) and the strategies of informal written arithmetic to be observed when 300 elementary students worked ...

Korean children's ability to solve addition problems with sums of 10, single-digit addition problems with sums between 10 and 18, and single-digit subtraction problems with minuends between 10 and 18 ...