Chapter 2 · Class 1 ICSE · Free Worksheet PDF

Addition within 20 Sums for Class 1 — Free ICSE Worksheet PDF with Answers

Download a free printable addition within 20 worksheet for Class 1 ICSE with 30 practice questions covering addition within 20 concepts, practice problems, and word problems with step-by-step solutions. Includes complete answer key. ICSE-aligned for the 2025-26 syllabus.

Last updated: 5 May 2026

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30 questions (Easy + Medium + Hard) with answer key. Fresh set generated daily.

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About This Worksheet

TopicAddition within 20
BoardICSE
Class1
Total Questions30 (10 Easy + 10 Medium + 10 Hard)
Answer KeyIncluded
PriceFree

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Frequently Asked Questions

Where can I download free addition within 20 sums for Class 1?+
You can download a free Addition within 20 PDF worksheet for Class 1 ICSE right here on SparkEd. The worksheet includes 30 practice questions (addition within 20 concepts, practice problems, and word problems with step-by-step solutions) at easy, medium, and hard levels with a complete answer key.
How many addition within 20 questions are in this Class 1 worksheet?+
This SparkEd worksheet for Addition within 20 Class 1 contains 30 questions — 10 easy, 10 medium, and 10 hard. The questions cover addition within 20 concepts, practice problems, and word problems with step-by-step solutions. A fresh set is generated daily so students never repeat the same sheet.
Does the Addition within 20 worksheet for Class 1 include answers?+
Yes! Every SparkEd worksheet comes with a complete answer key. Students can self-check their work after completing the sheet. The PDF is free to download and print.
Is this addition within 20 worksheet aligned to ICSE syllabus?+
Yes. This worksheet is specifically designed for Class 1 ICSE students and aligned to the 2025-26 ICSE syllabus. All questions follow the ICSE exam pattern and difficulty level.
Can I print this Addition within 20 worksheet?+
Absolutely! The worksheet downloads as an A4-size PDF that is ready to print. It includes the questions, space for working, and a separate answer key — perfect for classroom use or home practice.
How is this worksheet different from NCERT textbook exercises?+
SparkEd worksheets go beyond NCERT exercises by providing 30 questions at 3 progressive difficulty levels. Level 1 (Easy) builds confidence, Level 2 (Medium) tests application, and Level 3 (Hard) prepares for exams. Each worksheet includes word problems and conceptual questions, not just computation.
Does this worksheet include addition within 20 word problems?+
Yes! The worksheet includes both computation-based questions and real-world word problems. Word problems are especially important for ICSE exams, and our worksheet covers a variety of scenarios to build problem-solving skills.

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SparkEd Maths provides free printable maths worksheets for Class 1-10 across CBSE, ICSE, IB, Olympiad, UP Board, Maharashtra SSC, and TN Board. Every worksheet includes an answer key and is aligned to the 2025-26 syllabus.