SUBJECTS: Maths YEARS: 3–4, 5–6 Miss White teaches you how to use regrouping to complete formal subtraction problems.

Addition and subtraction with regrouping using different strategies to solve. In this lesson, students go over addition and subtraction with regrouping using different strategies to solve. Today ...

Match fun story problems with the correct addition or subtraction expression. Join Mrs. Gray for number talk with the Counting Buddy Junior. Then get ready to match fun story problems with the ...

Christoph Selter, Addition and Subtraction of Three-Digit Numbers: German Elementary Children's Success, Methods and Strategies, Educational Studies in Mathematics, Vol. 47, No. 2 (2001), pp. 145-173 ...