Macarena Ureta
Más ideas de Macarena
The mental maths strategy of counting on is useful to use when students are first learning to add two numbers. http://topnotchteaching.com/lesson-ideas/mental-maths/

The mental maths strategy of counting on is useful to use when students are first learning to add two numbers. http://topnotchteaching.com/lesson-ideas/mental-maths/