[For parents of children learning the abacus] How to do 2-digit addition on the abacus. 4 tips you can use at home for children who get stuck when carrying to the …

They can already do single-digit 'carrying' smoothly. However, when it comes to 2-digit problems, their fingers stop at 42 + ...
TES

Adding 2-Digit and 1-Digit Numbers (with regrouping)

You’ll get 10 worksheets that you can use for short assessments, morning work or warm up exercises. Students will be able to easily practise addition while having fun! It’ll be a useful resource ...
TES

Adding Three 5-Digit or 6-Digit Numbers in Columns

You’ll get 5 worksheets that you can use for short assessments, morning work or warm up exercises. Students will be able to easily practice addition while having fun! It’ll be a useful resource during ...
PBS

Nonfiction KWL 1 | 3-digit Add/Subtract 1 | 1st Reading/Math

Students use place value and expanded form to subtract 3-digit numbers. Students apply phonics skills to learn about the preconsonantal nasal -ng and the strategy of a KWL chart. Students use place ...
PBS

Add 2-Digit Numbers

(dramatic orchestral music) (air swooshes) (magic chimes) (Springling boinging) (Dotsan screaming) - [Kids] Math Mights. - Welcome Math Mights, Mrs. Markovich here, and we've got a whole lot of fun ...
Education Week

Should ‘Regrouping’ Be Taught Earlier Under Common-Core Math Standards?

The common-core math standards require that students learn the standard algorithm for multi-digit adding and subtracting—you know, the process in which you line the numbers up vertically to add or ...