Chapter 1 · Class 6 ICSE · Worksheet

Number System Worksheet — Class 6 ICSE Maths

Download a free printable worksheet with 30 questions at 3 difficulty levels. Includes full answer key.

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

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Sample Questions — Number System

Here are 8 sample questions from this worksheet. Download the full PDF for all 30 questions.

Q1.Which of the following is the smallest natural number?

A.0

B.1

C.2

D.−1

Difficulty: Easy

Q2.Which of the following is NOT a whole number?

A.0

B.5

C.−3

D.12

Difficulty: Easy

Q3.What is the place value of 7 in the number 4,73,562?

A.7,000

B.70,000

C.7

D.7,00,000

Difficulty: Easy

Q4.Write the number 35,672 in expanded form.

A.30,000 + 5,000 + 600 + 70 + 2

B.3,000 + 5,000 + 600 + 70 + 2

C.30,000 + 500 + 600 + 70 + 2

D.30,000 + 5,000 + 60 + 70 + 2

Difficulty: Easy

Q5.What is the successor of 9,999?

A.10,000

B.9,998

C.10,001

D.99,999

Difficulty: Easy

Q6.What is the predecessor of 5,000?

A.5,001

B.4,999

C.4,000

D.4,900

Difficulty: Easy

Q7.How many 4-digit numbers are there in all?

A.8,999

B.9,000

C.9,999

D.1,000

Difficulty: Easy

Q8.In the Indian system, how is 1,23,45,678 read?

A.One crore twenty-three lakh forty-five thousand six hundred seventy-eight

B.Twelve million three hundred forty-five thousand six hundred seventy-eight

C.One lakh twenty-three thousand four hundred fifty-six

D.Twelve crore thirty-four lakh fifty-six thousand seven hundred eighty

Difficulty: Easy

Answer Key — Sample Questions+

Q1:1

Q2:−3

Q3:70,000

Q4:30,000 + 5,000 + 600 + 70 + 2

Q5:10,000

Q6:4,999

Q7:9,000

Q8:One crore twenty-three lakh forty-five thousand six hundred seventy-eight

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

About This Worksheet

Topic	Number System
Board	ICSE
Class	6
Total Questions	30 (10 Easy + 10 Medium + 10 Hard)
Answer Key	Included
Price	Free

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Frequently Asked Questions

Where can I download a free Number System worksheet for Class 6?+

You can download a free Number System PDF worksheet for Class 6 ICSE right here on SparkEd. The worksheet includes 30 questions at easy, medium, and hard levels with a complete answer key.

How many questions are in the Number System worksheet?+

Each SparkEd worksheet for Number System contains 30 questions — 10 easy, 10 medium, and 10 hard. A fresh set is generated daily so you never repeat the same sheet.

Does the Number System worksheet include answers?+

Yes. Every SparkEd worksheet comes with a separate answer key so students can self-check their work after completing the sheet.

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