Let's explore addition and subtraction This collection contains curriculum-relevant videos, quizzes and games to help Year 6 and P7 Maths students with: mental addition strategies adding and ...

The answer will look like this. We can also use numbers instead of counters. This model shows 6 + 3 = 9. You can also use part-whole models to help with addition problems involving bigger numbers.

Your child continues to use tape diagrams as a visual tool to solve word problems. Your child continues to use tape diagrams as a visual tool to solve word problems. Now, he solves for an unknown ...

Bring us your stories of adding and subtracting, with creative interpretations welcomed and encouraged. As always, we want you to really explore and push the theme beyond the most obvious examples.

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 ...