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Online Flash Card – Sums up to 19

Grades K-8 Worksheets

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Addition and Subtraction of Numbers within 20

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From a series of Online Flashcards: Addition to 9 | to 19 | to 49 | to 99 | Subtraction to 9 | to 19 | to 49 | to 99

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Related Resources

The Addition and subtraction Flashcard shown above is aligned with standard 2OA02 taken from the Common Core Standards For Mathematics (see the extract below) as are the resources listed below.

Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers.

Chart

Flashcard

Game

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Table

Addition/ Subtraction Chart

Worksheet

Bridging

To 20

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