• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer
  • Customer Service
  • My Account
  • Cart

RightStart™ Mathematics by Activities for Learning, Inc.

Menu
  • Curriculum
    • The RightStart™ Difference
    • RightStart™ for Home School
    • RightStart™ Tutoring
    • RightStart™ for Classrooms
    • Research
    • Spotlight on Kids
  • Games
  • Resources
    • Take the Placement Test
    • Recorded Webinars
    • Sample Lessons
    • Teaching Support
    • Levels G and H
    • Apps
    • Songs
    • Calendar
    • Social Media / Articles
    • FAQs
  • Blog
  • About
    • About the Author
    • Our Staff
    • Awards & Reviews
    • Customer Testimonials
    • Our Affiliate Program
  • Contact
    • Submit a Testimonial
    • Request a Presentation
    • Request an Event Speaker
    • Request a Classroom Quote
    • Request Professional Development
  • Placement Test
  • Shop

subtraction

Dr. Cotter on Addition and Subtraction Facts

September 25, 2018 by RightStart™ Math

Addition  Addition can be thought of as finding the whole when the parts are known. Place value greatly simplifies finding the sum of two numbers. To be efficient in adding, we start with the sums of numbers 1 + 1 through 9 + 9. These are best … [Read more...] about Dr. Cotter on Addition and Subtraction Facts

Filed Under: 2. Lessons, 3. Struggling Learner, 4. General Info, 6. Montessori, 7. Classroom Tagged With: addition, addition facts, dr. cotter, Dr. Joan A. Cotter, math, math facts, RightStart, RightStart Math, RightStart Mathematics, subtraction, subtraction facts

2018 Summer Game #13: On the Number Ten

August 27, 2018 by Teresa Foltin

It is one of those blazing hot, 90º summer days. No one wants to be outside but without air conditioning, inside isn’t much better. My boys’ solution to this dilemma is the nice, cool basement where the computer happens to reside. In my desire to get … [Read more...] about 2018 Summer Game #13: On the Number Ten

Filed Under: 1. Card Games Tagged With: adding negative numbers, addition, addition facts, addition games, cards, games, homeschool, math, Math Card Games, math facts, math games, negative numbers, RightStart, RightStart Math, RightStart Mathematics, subtraction, subtraction games, summer, summer games

Dr. Cotter on Subtraction Approaches

June 13, 2016 by RightStart™ Math

There are at least eight different ways to subtract multi-digit numbers. Even though a person has learned one method, it is good to explore other methods to enhance understanding. If a child has an accurate and efficient method of subtraction, do … [Read more...] about Dr. Cotter on Subtraction Approaches

Filed Under: 2. Lessons, 4. General Info Tagged With: AL Abacus, dr. cotter, learning differences, RightStart, RightStart Math, RightStart Mathematics, subtraction

RS2 Level C, Lesson 53: Subtraction Puzzle

January 14, 2016 by Kathleen Cotter Clayton

There’s been some chatter on the forum groups about RS2 Level C, Lesson 53 and Lesson 54 and the Worksheet 25. I thought this would be a dandy topic for this week’s blog. Here’s the worksheet in question. It’s asking the child to complete the … [Read more...] about RS2 Level C, Lesson 53: Subtraction Puzzle

Filed Under: 2. Lessons Tagged With: frustration, puzzles, RightStart, RightStart Math, RS2, subtraction

  • « Go to Previous Page
  • Go to page 1
  • Go to page 2

Primary Sidebar

60-Day Guarantee

60-Day Guarantee

Get Started Today

Shop Online

Footer

RightStart™ Mathematics logo
Shop Online Apps Customer Service
Copyright © 2023 Activities For Learning, Inc. | All Rights Reserved | Privacy Policy | Developed by Vivid Image
  • Facebook
  • Instagram
  • Pinterest
  • Twitter
  • YouTube
  • Curriculum
    • The RightStart™ Difference
    • RightStart™ for Home School
    • RightStart™ Tutoring
    • RightStart™ for Classrooms
    • Research
    • Spotlight on Kids
    • Back
  • Games
  • Resources
    • Take the Placement Test
    • Recorded Webinars
    • Sample Lessons
    • Teaching Support
    • Levels G and H
    • Apps
    • Songs
    • Calendar
    • Social Media / Articles
    • FAQs
    • RightStart™ Math Online Conference 2023
    • Back
  • Blog
  • About
    • About the Author
    • Our Staff
    • Awards & Reviews
    • Customer Testimonials
    • Our Affiliate Program
    • Back
  • Contact
    • Submit a Testimonial
    • Request a Presentation
    • Request an Event Speaker
    • Request a Classroom Quote
    • Request Professional Development
    • Back
  • Placement Test
  • Shop
  • Customer Service
  • My Account
  • Cart