Addition Flash Cards and Sorting Mats for Sums to 20

Addition fact cards from 0 + 0 to 10 + 10 pair with number cards 0-20 and mats for building number sentences, matching equations to sums and comparing sums with <, > and =.
Year groups
Nursery–Reception (Early Years), Years 1–2 (Key Stage 1)
File type
PDF
Preparation
Print ready

Updated Sep 18, 2026

Subject
Addition, Addition and Subtraction, Maths
Topic
Addition, Addition Within 20
Resource types
Flashcards, Games
Preparation
Print ready

From the author

About this resource

These maths centres focused on addition enable students to enhance their proficiency in adding, comparing outcomes, and understanding related facts. The included set of addition flashcards and mats make it engaging for both Year 1 and Year 2 students. They will appreciate the tactile experience of mastering addition facts through this sorting activity.

What is Included:

  • * Maths Fact Cards

  • * Number Cards

  • * Addition Mats with Addition Facts

  • * Addition Mats for Sorting by Sum

  • * Addition Mats for Comparing Sums

This set contains addition problems with sums up to 20, but can also be differentiated for students needing sums within 10. There are sorting mats for students to sort problems by sums and to compare problems to see if they are greater than, less than or equal to other addition facts. Practise related addition facts by using the corresponding addition problems on the sorting mats.

Uses for this product:

  • * Use the number cards to sort the facts by their sum.

  • * Use the addition mats to sort maths facts

  • * Create a greater than, less than and equal to activity for comparing sums of addition facts

  • * Give students a group of addition cards and have them put the cards in order from least to greatest.

  • * Play concentration or memory where students must match the addition facts with the same sums to get a pair.

  • * Play war where students with the largest sum wins both addition fact cards

The teacher may choose to create a file folder activity using these maths mats. By attaching the mat to one side of the file folder, and attaching hook and loop fasteners to the mat and cards, the teacher can create an easy to set up and put away centre for students to use independently.

These maths mats are low prep. They just need to be printed out and laminated if desired. The addition fact cards and number cards do need to be cut apart.

In the classroom

Teaching tips & learning objectives

Learning objectives

  • Find sums of addition facts within 20

  • Compare two sums using greater than, less than and equal to

  • Match each fact card from 0 + 0 to 10 + 10 to its sum

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