2nd Grade Math Flashcards: Fluently Add And Subtract Within 20

Study Fluently Add And Subtract Within 20 in 2nd Grade Math with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is the sum of $9 + 8$ ?

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ANSWER

$17$ . Near doubles: $8 + 8 = 16$ , so $9 + 8 = 17$ .

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2nd Grade Math: Operations and Algebraic Thinking

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What this deck covers

This deck focuses on Fluently Add And Subtract Within 20, giving you a quick way to review the definitions, rules, and examples that matter most for 2nd Grade Math.

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Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

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