This Maths article shows how to add and subtract using the part-whole model.

The overall purpose of the studies was to examine whether children in grades 1-3 who differed in cognitive capacity learned to add and subtract in different ways. The first study was a cross-sectional ...

Young children can crudely add and subtract numbers before they have learned the rules of arithmetic, a new study finds. Researchers presented five- and six-year-old children with problems such as ...

Students go over addition and subtraction with regrouping using different strategies.

A Maths article on how to recognise and use thousandths and relate them to tenths, hundredths and decimal equivalents.