Lesson series

Mental Math Strategies: Addition and Subtraction Within 20

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The Mental Math Strategies for Addition and Subtraction within 20 course is designed to enhance students' mathematical fluency and mental calculation skills using the Singapore Math approach. In this course, students will develop a solid foundation in mental math strategies, enabling them to solve addition and subtraction problems efficiently and accurately without relying heavily on written calculations.

What's included?

  • 4 Self-Paced Video Lessons
  • Printable Worksheets
  • Over 100 practice questions 

Using Number Bonds.

Students will learn various mental math strategies, such as using number bonds to add two or more numbers, making ten, and adding in parts.

Making Tens.

This strategy focuses on breaking down numbers into combinations that add up to ten. By understanding the relationship between numbers and ten, students will be able to mentally manipulate and compute addition and subtraction problems more efficiently.

Course Lessons

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