When you are solving an addition calculation with a two-digit number, you need to think about tens and ones. A place value chart can help you to see the value of each digit in a number. For example, ...

Column addition is a way of adding numbers together. It's helpful when you're adding two-digit or three-digit numbers together. When you do column addition, you lay out the numbers you are adding ...

(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 ...

Notifications You must be signed in to change notification settings We've moved away from repl.it for coding exercises. Check out the new exercises on Coding Rooms with automated submissions. Write a ...

We’ve created these number bonds Year 1 activity sheets to match the small steps on the White Rose maths schemes of work. The questions include varied fluency with reasoning with problem solving, and ...

Abstract: Signed-digit (SD) numbers generalize traditional radix numbers by allowing negative digits within a certain range. Typically, this leads to redundant number representations that can be used ...

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 ...