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Factors and Multiples

ICSE · Class 4 · Mathematics

Flashcards for Factors and Multiples — ICSE Class 4 Mathematics. Quick Q&A cards covering key concepts, definitions, and formulas.

47 questions30 flashcards5 concepts

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Card 1Factors

Find all the factors of 18.

Answer

Step 1: Start from 1 and check which numbers divide 18 exactly. 1 × 18 = 18 → 1 and 18 2 × 9 = 18 → 2 and 9 3 × 6 = 18 → 3 and 6 4 and 5 do not divide 18 exactly. So, factors are: 1, 2, 3, 6, 9, 18.

Card 2Factors

Is 4 a factor of 32? Show your work.

Answer

Divide 32 by 4: 32 ÷ 4 = 8, remainder 0. Since there is no remainder, 4 divides 32 exactly. Answer: Yes, 4 is a factor of 32.

Card 3Factors

List all the factors of 24.

Answer

Step 1: Find factor pairs: 1 × 24 = 24 → 1, 24 2 × 12 = 24 → 2, 12 3 × 8 = 24 → 3, 8 4 × 6 = 24 → 4, 6 No other numbers divide 24 exactly. So, factors are: 1, 2, 3, 4, 6, 8, 12, 24.

Card 4Properties of Factors

Which number is the smallest factor of 45?

Answer

The smallest factor of any number is always 1. 1 divides every number exactly. Answer: 1 is the smallest factor of 45.

Card 5Properties of Factors

What is the greatest factor of 36?

Answer

The greatest factor of any number is the number itself. Since 36 ÷ 36 = 1 with no remainder, 36 is a factor of itself. Answer: 36 is the greatest factor of 36.

Card 6Factors

Is 7 a factor of 50? Why or why not?

Answer

Divide 50 by 7: 7 × 7 = 49, and 50 - 49 = 1. So, 50 ÷ 7 = 7 remainder 1. Since there is a remainder, 7 does not divide 50 exactly. Answer: No, 7 is not a factor of 50.

Card 7Multiples

Write all the multiples of 6 up to 60.

Answer

Multiply 6 by numbers 1 to 10: 6 × 1 = 6 6 × 2 = 12 6 × 3 = 18 6 × 4 = 24 6 × 5 = 30 6 × 6 = 36 6 × 7 = 42 6 × 8 = 48 6 × 9 = 54 6 × 10 = 60 So, multiples are: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60.

Card 8Multiples

Is 45 a multiple of 9? Show how you know.

Answer

Divide 45 by 9: 45 ÷ 9 = 5, remainder 0. Since 9 divides 45 exactly, 45 is a multiple of 9. Answer: Yes, 45 is a multiple of 9.

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Frequently Asked Questions

What are the important topics in Factors and Multiples for ICSE Class 4 Mathematics?
Factors and Multiples covers several key topics that are frequently asked in ICSE Class 4 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Factors and Multiples — ICSE Class 4 Mathematics?
Understand the core concepts first, then work through the 47 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many flashcards are available for Factors and Multiples?
There are 30 flashcards for Factors and Multiples covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.

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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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