🧠 Grade 1 Math Quiz · Addition & Subtraction

Addition and Subtraction of 1 Practice Questions

50 Grade 1 questions on Addition and Subtraction of 1. Choose an answer to get instant feedback and a short explanation — the first 10 are free.

What is 5 + 1?

Explanation: When you add 1, you count one more. 5 + 1 = 6.

What is 8 + 1?

Explanation: Count one more than 8. 8 + 1 = 9.

What is 12 + 1?

Explanation: 12 + 1 means one more. The answer is 13.

What is 3 + 1?

Explanation: Start at 3 and count one more: 4.

What is 9 + 1?

Explanation: 9 + 1 = 10. Ten is one more than nine.

What is 15 + 1?

Explanation: Count one more than 15 to get 16.

What is 20 + 1?

Explanation: 20 + 1 = 21.

What is 7 + 1?

Explanation: Seven plus one more is eight.

What is 4 + 1?

Explanation: 4 + 1 = 5.

What is 10 + 1?

Explanation: Ten plus one is eleven.

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