15 questions
2nd - 2nd Grade
Mathematics
Addition Within 20 is a Grade 2 mathematics worksheet that develops fluency with basic addition facts whose sums do not exceed 20. Students solve 15 multiple-choice equations, including teen-number additions such as 13 + 4 and 18 + 1, as well as single-digit facts such as 2 + 7 and 4 + 5. The item choices give students repeated practice identifying the correct sum among plausible alternatives. This free printable worksheet supports independent practice, a quick formative check, homework, or review after direct instruction. Students strengthen accuracy with adding zero, adding one, and combining numbers within 20 while building confidence selecting answers efficiently. Teachers can use the completed work to identify whether learners need more support with particular addition facts or with distinguishing a sum from an addend. The worksheet includes a complete answer key for straightforward checking and feedback.
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This Grade 2 worksheet covers solving 15 multiple-choice addition equations with sums within 20. It combines teen-number facts, such as 13 + 4 and 18 + 1, with single-digit facts, helping students build accuracy while selecting the correct sum from answer choices.
Model a few equations from the worksheet, such as 15 + 0 or 13 + 4, and have students explain how they found each sum before completing the remaining multiple-choice items. Afterward, discuss why an incorrect option does not match the equation, using the choices to reinforce strategies such as counting on and recognizing the effect of adding zero or one.
Watch for students choosing an addend instead of the total, especially in items such as 13 + 3 or 12 + 4. Students may also make one-count errors in facts such as 17 + 2, overlook that adding zero leaves 15 unchanged, or select a nearby distractor instead of checking the complete sum.
Wayground provides this worksheet as a printable PDF and as a digital quiz, and it includes a complete answer key. You can grade printable submissions by scanning student work with the Wayground for Teachers app, or review responses from the digital quiz on the platform. The printable format can also support schools that are reducing screen time.
Use the worksheet’s Advanced Settings to adjust font size or spacing so the 15 multiple-choice equations and answer choices are easier to read. You can also enable a dyslexia-friendly font or translate the worksheet into another language when those options support access to the addition practice.
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