How to Teach Addition and Subtraction Within 20

May 15, 2026

How to Teach Addition and Subtraction Within 20

How to Teach Addition and Subtraction Within 20

These Digital Addition and Subtraction within 10 and 20 Math Fact Fluency Games Slides are designed to support Math Common Core State Standards and promote fun daily math practice! Ideal for daily math warm-ups, math lesson games, bell work and spiral review bell ringers, these math slides to reinforce fundamental skills such as addition and subtraction math fact fluency. Digital math activities include ten frames, subitize quantities, doubles, adding and subtracting, count on, count back, skip counting, doubles facts, missing number, ten frames, math facts, word problems and much more! Over 300 math fluency slides or YEAR LONG whole-class activities, math centers, review and assessment

These Math slides can easily be turned into flash cards for math centers by printing each slide individually, allowing students to use them for hands-on practice, play a math game with a partner or small group for a quick review of key concepts!

How to Teach Addition and Subtraction Within 20

What other TpT educators are saying:

Rated 5 out of 5                                                                                                                                                Extremely satisfied                                                                                                                                                 These slides make daily math practice a breeze! Perfectly CCSS aligned, these are ideal for warm‑ups, bell ringers or spiral review. I love the no‑prep format and flexibility and I’ve used them digitally and printed into cards for hands on centers for math fact fluency mastery! – Corey

Rated 5 out of 5
Extremely satisfied                                                                                                                                                    Love the different activities involved. We start each lesson with somethinglike this. Perfect! – Rebecca

Suitable for:

  • PreK-Kindergarten
  • First Grade
  • Second Grade Review/Support

How to Teach Addition and Subtraction Within 20

What’s included in this bundle:

1. Addition and Subtraction within 10 slides and includes a fun brain break ‘movement on the spot’ brain break after each concept:

  • Wobble Like Jelly
  • 10 Bunny Hops
  • Shake to the left, shake to the right, shake to the back, shake to the front
  • 7 Star Jumps
  • Creep Like Tiger
  • Head, Shoulders, Knees and Toes…5 times!
  • 7 Knee Hight
  • Flutter Like A Butterfly
  • Twirl Like A Ballerina
  • Rock Around The Clock…clockwise!
  • Slither Like A Snake
  • Glide Like An Eagle
  • 10 Crocodile Snaps
  • Move-Like-A-Robot

This math resource covers the following mathematical concepts:

  • Count On
  • Count Back
  • How Many?
  • Ten Frames
  • Doubles
  • Before, After, Between
  • Skip Counting Number Patterns
  • Odd or Even?
  • Read Number Words
  • Smallest Number
  • Largest Number
  • One Less
  • One More
  • Count by Tens
  • Read & Solve (simple one sentence word problems)

How to Teach Addition and Subtraction Within 20

2. Addition and Subtraction within 20 slides:

  • Wobble Like Jelly
  • 10 Bunny Hops
  • Shake to the left, shake to the right, shake to the back, shake to the front
  • 7 Star Jumps
  • Creep Like Tiger
  • Head, Shoulders, Knees and Toes…5 times!
  • 7 Knee Hight
  • Flutter Like A Butterfly
  • Twirl Like A Ballerina
  • Rock Around The Clock…clockwise!
  • Slither Like A Snake
  • Glide Like An Eagle
  • 10 Crocodile Snaps
  • Move-Like-A-Robot

3. Word Problem Slides:

How to Teach Addition and Subtraction Within 20

  • Adding within 10 (one-step word problems)
  • Subtracting within 20 (one-step word problems)
  • Adding three numbers (within 20)
  • Understanding addition as putting together
  • Understanding subtraction as taking apart or taking away
  • Solving real-world word problems using drawings or tally marks

Also includes the following visual ‘I Can Statements’ slide to display either pre and post math lesson:

  • I can listen to a word problem.
  • I can read a word problem.
  • I can tell what is happening in the number story.
  • I can figure out if I need to add or subtract
  • I can count on to solve a problem.
  • I can count back to solve a problem.
  • I can draw a picture to show my thinking.
  • I can draw tally marks to help me problem solve.
  • I can write a matching number sentence
  • I can circle the numbers.
  • I can check my answer.
  • I can show my reasoning.
  • I can work by myself on my mini whiteboard.
  • I can share my thinking with a partner.

4. Interactive addition and subtraction word problems with inbuilt 10 or 20 Ten Frames:

  • Cupcake Word Problem
  • Shells Word Problem
  • Ducks Word Problem
  • Bugs Word Problem
  • Marbles Word Problem
  • Bananas Word Problem
  • Friends Word Problem
  • Crayons Word Problem
  • Beach Balls Word Problem
  • Fish Word Problem
  • Goals Word Problem
  • Crystals Word Problem
  • Slugs Word Problem
  • Spiders Word Problem
  • Rocks Word Problem
  • Frogs Word Problem
  • Toy Cars Word Problem
  • Insects Word Problem
  • Cookies Word Problem
  • Snails Word Problem
  • Pencils Word Problem
  • Slugs Word Problem
  • Crystals Word Problem
  • Dogs Word Problem
  • Dragonflies Word Problem
  • Apples Word Problem
  • Cars Word Problem
  • Blue Gems Word Problem
  • Cats Word Problem
  • Ants Word Problem
  • Butterflies Word Problem
  • Balloons Word Problem
  • Pasta Word Problem
  • Beads Word Problem
  • Ladybugs Word Problem
  • Bees Word Problem
  • Plums Word Problem
  • Rabbits Word Problem
  • Birds Word Problem
  • Grubs Word Problem
  • Beetles Word Problem

How to Teach Addition and Subtraction Within 20

How to Use This Resource:

  • Whole class instruction to model problem-solving strategies
  • Math centers
  • Independent work
  • Daily reviews
  • Warm-ups
  • Assessments

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Welcome to teacherinspo123...a place of inspiration, teaching tips and strategies! I am an elementary teacher who enjoys teaching and creating fun core-aligned resources that engage young learners. I love spending time with family, baking choc chip muffins and taking long walks on the beach. Read More

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