Unit 1 · Class 9 IB MYP · Free Worksheet PDF

Real Number System Sums for Class 9 — Free IB MYP Worksheet PDF with Answers

Download a free printable real number system worksheet for Class 9 IB MYP with 30 practice questions covering real number system concepts, practice problems, and word problems with step-by-step solutions. Includes complete answer key. IB MYP-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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Sample Real Number System Sums for Class 9 — Practice Questions

Here are 8 sample real number system sums from this Class 9 IB MYP worksheet. Download the full PDF for all 30 questions with answers.

Q1.Which of the following is an irrational number?
A.3/4
B.0.5
C.√2
D.7

Difficulty: Easy

Q2.Which set does the number -3 belong to?
A.Natural numbers only
B.Whole numbers only
C.Integers
D.Irrational numbers

Difficulty: Easy

Q3.Simplify √18.
A.3√2
B.2√3
C.6√3
D.9√2

Difficulty: Easy

Q4.Which of the following is a rational number?
A.π
B.√5
C.0.333...
D.√7

Difficulty: Easy

Q5.What is √49?
A.5
B.6
C.7
D.8

Difficulty: Easy

Q6.Is 0 a natural number?
A.Yes, always
B.No, it is a whole number but not a natural number
C.Yes, because it is positive
D.No, it is irrational

Difficulty: Easy

Q7.Simplify √50.
A.5√2
B.2√5
C.10√5
D.25√2

Difficulty: Easy

Q8.Which of these numbers is between 3 and 4 on the number line?
A.√5
B.√16
C.√25
D.√10

Difficulty: Easy

Answer Key — Sample Questions+
Q1:√2
Q2:Integers
Q3:3√2
Q4:0.333...
Q5:7
Q6:No, it is a whole number but not a natural number
Q7:5√2
Q8:√10

Download the full PDF for all 30 answers with step-by-step solutions.

About This Worksheet

TopicReal Number System
BoardIB MYP
Class9
Total Questions30 (10 Easy + 10 Medium + 10 Hard)
Answer KeyIncluded
PriceFree

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Frequently Asked Questions

Where can I download free real number system sums for Class 9?+
You can download a free Real Number System PDF worksheet for Class 9 IB MYP right here on SparkEd. The worksheet includes 30 practice questions (real number system concepts, practice problems, and word problems with step-by-step solutions) at easy, medium, and hard levels with a complete answer key.
How many real number system questions are in this Class 9 worksheet?+
This SparkEd worksheet for Real Number System Class 9 contains 30 questions — 10 easy, 10 medium, and 10 hard. The questions cover real number system 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 Real Number System worksheet for Class 9 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 real number system worksheet aligned to IB MYP syllabus?+
Yes. This worksheet is specifically designed for Class 9 IB MYP students and aligned to the 2025-26 IB MYP syllabus. All questions follow the IB MYP exam pattern and difficulty level.
Can I print this Real Number System 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 real number system word problems?+
Yes! The worksheet includes both computation-based questions and real-world word problems. Word problems are especially important for IB MYP 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.