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Topic guide · Grades K–5

Addition

Addition starts with joining two groups shown on dice, fingers, and ten frames, writing the matching equation, and finding every pair that makes a number up to 10. Grade 1 adds three numbers, adds 10 and multiples of 10, makes 10 to add across it, counts on, finds pairs that make 20, completes patterns that count up by 10, and uses the equals sign to compare sums and to show that order does not change a sum. Practice for Grades 2–5, including multi-digit addition and fraction and decimal sums, is coming soon.Use these free, account-free math practice quizzes to build the topic one carefully sequenced skill at a time.

Addition skill progression

The sequence begins with accessible representations and advances toward flexible, independent reasoning. Each quiz names its objective, closest Common Core connection, prerequisites, representations, likely misconceptions, and next quiz in its skill guide.

Who these quizzes are for

The collection targets Grades K–5. Use the grade groupings above to select an appropriate starting point, then follow the curriculum-linked next step after practice.

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