SUBJECTS: Maths YEARS: F–2 Learn how to solve addition problems using counters and pictures. In this lesson, Miss James demonstrates how to set up and solve the addition questions correctly, and ...

This study examined children's justifications and evaluations of derived-fact strategies-strategies for solving addition and subtraction problems by using known combinations-to explore their knowledge ...

Master the Make 10 strategy to add numbers quickly and accurately. Check simple examples and tips for students to boost mental math skills.