Build confidence with quick addition and subtraction facts up to 20. This mixed-difficulty quiz helps kids practice counting on, making ten, and spotting number patterns. Choose how many questions you...
Pick a difficulty and question count to begin.
Adding and subtracting within 20 is a key step toward stronger mental math and smoother work with bigger numbers later. This quiz mixes simple facts with slightly trickier ones so you can improve without getting stuck.
Each question has 4 answer options and there’s no timer, so players can think carefully, use strategies, and learn from mistakes.
You can choose your question count before you start, and you can also select a difficulty level (easy, medium, hard, or mixed). Mixed mode balances the challenge by blending straightforward facts (like 6+3) with problems that require a strategy (like 13−8).
Many errors come from rushing, mixing up + and − signs, or losing track when counting back. Slow down, check the operation, and use a consistent method.
Try a short set each day, then increase the question count as you get more accurate. When you miss a problem, redo it using a different strategy (number line, counting on/back, or making ten) to lock it in.
What is 7 + 6?
What is 3 + 4?
What is 2 + 3?
This quiz has 101 questions focused on adding and subtracting within 20.
No. There’s no timer, so you can work at your own pace and focus on accuracy.
Each question is multiple-choice with 4 options, and you pick the one correct answer.
Yes. Pick easy, medium, hard, or mixed difficulty before starting to match your skill level.
You’ll practice addition and subtraction facts within 20, including strategies like counting on/back and making ten.
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