Add within 20 and Memorize all Sums - Lesson for Grade 2, Chapter - Addition and Subtraction within 100

In this engaging lesson titled "Add within 20 and Memorize all Sums," second-grade students embark on a mathematical journey to master the foundational skill of addition within the numbers 1 to 20. By participating in a variety of activities such as the Spaceship Addition Worksheet, Star Addition Printable, and Basketball Addition Worksheet, students will not only learn how to add numbers up to 20 but also begin the process of memorizing these essential sums. This capability is a critical building block in the broader chapter of Addition and Subtraction within 100 and serves as a fundamental component of the unit on Foundations in Operations Within 1000.

Understanding and memorizing sums within 20 is crucial for students as it lays the groundwork for more complex mathematical concepts and operations they will encounter in their academic journey. Mastery of these basic addition facts significantly enhances their fluency in arithmetic, improves problem-solving skills, and fosters confidence in their mathematical abilities. This proficiency is essential for their future success in math, as it prepares them for tackling larger numbers and more challenging computations with ease.

Estimated classroom time: 13 min
Chapter: Addition and Subtraction within 100
Unit: Foundations in Operations Within 1000
Click on any activity below to start learning.
1st
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4:00 min
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Addition up to 20
Addition up to 20
video
2nd
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3:00 min
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Spaceship Addition Worksheet
Spaceship Addition Worksheet
worksheet
3rd
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3:00 min
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Star Addition Printable
Star Addition Printable
worksheet
4th
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3:00 min
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Basketball Addition Worksheet
Basketball Addition Worksheet
worksheet
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  • Activity 1 / Addition up to 20

  • Activity 2 / Spaceship Addition Worksheet

    Blast off to outer space with this addition worksheet for 2nd grade that does way more than offer your child simple addition problems! This fun addition worksheet will take your child out of this world, giving your child a goal to find the spaceship that flies the fastest!  
    Completing this worksheet will help your child: 
    • Strengthen fundamental addition strategies and skills;
    • Analyze their answers to find the spaceship that flies the fastest;
    • Motivate your child with a goal that goes beyond simple problem-solving.
    Your future mathematician will love completing this far-out addition worksheet! With vibrant images and an engaging goal, your child will improve important mathematical skills while utilizing analysis skills.

  • Activity 3 / Star Addition Printable

    Is your little one bored with the math problems they bring home from school? Some kids are great at math, and love a new challenge! If you’re looking for something to extend your future mathematician’s skills, this addition worksheet PDF for kindergarten is the perfect choice! 
    Completing this worksheet will:
    • Help your child practice important addition skills; 
    • Introduce the concept of solving equations in different ways;
    • Challenge your child to switch between methods for each problem.
    Help your child to eliminate each answer choice by having them try each. For advanced learners, extend their knowledge by teaching them that in some cases to solve an equation, switch and practice subtraction to find the solution. Either way, your child will love the challenge while learning more advanced math concepts!

  • Activity 4 / Basketball Addition Worksheet

    When it comes to elementary math skills, kids need a lot of practice and repetition to build their skills and their confidence. If you’re looking for a fun way to offer more math practice, your child will score a slam dunk with this basketball addition worksheet!
    This worksheet is designed to: 
    • Work your child’s addition skills with one to two digit problems
    • Engage your child with a favorite sport theme
    Math should be fun for kids, using favorite activities as an important theme to inspire motivation and interest. Get your sports fan ready for math success with this fantastically fun addition worksheet!