Addition Worksheets for Class 1 — Personalised & Printable

Addition worksheets for Class 1 focus on adding numbers up to 20 without carrying (for example 6 + 7, 9 + 4, 12 + 5). WonderSheets builds them fresh, matched to Class 1-2 and US 1.OA / 2.OA, with your child named in every problem.

What Class 1 children practise

At this level the addition work centres on adding numbers up to 20 without carrying. A typical pack covers:

• Addition: adding numbers up to 20 without carrying (e.g. 6 + 7, 9 + 4, 12 + 5)
• Addition/subtraction within 20 (no regrouping)
• Skip counting 2s 5s 10s
• Place value tens/ones
• Story problems starring your child, so the maths feels personal
• A paginated answer key for quick marking

Made just for your child

Enter your child's name, pick Class 1 (age 6-7) and a theme world, and every addition problem is rebuilt around them. Aligned to CBSE/ICSE Class 1-2 and US Common Core 1.OA / 2.OA, so it fits Indian and international classrooms alike.

Make a Addition pack →

Free while we launch — no account needed. Print at home on A4 or US Letter, with an answer key.

Questions parents ask

What age is Class 1?

Class 1 maps to roughly ages 6-7 — CBSE/ICSE Class 1-2 and US Common Core 1.OA / 2.OA. Enter the exact age and the difficulty adjusts automatically.

Are answers included?

Yes — every pack ends with a paginated answer key, so you can check adding numbers up to 20 without carrying at a glance.

Is it free to print?

Yes, free while we launch — no account needed. Print at home on A4 or US Letter as many times as you like. Paid options arrive when checkout opens (planned Q4 2026).