Natural Numbers, Whole Numbers, and Integers
Learn the relationship and difference between natural numbers, whole numbers, and integers. Let’s get started! 🚀
Video Lesson
Watch and learn the basics
Flashcards
Review key concepts visually
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🛎️ Types of Numbers
- Numbers can be grouped into different sets.
- Common sets are natural numbers, whole numbers, and integers.
🛎️ What are Natural Numbers?
- Natural numbers are used for counting and start at 1.
- They include 1, 2, 3, 4, 5 … only.
🛎️ How to Identify Natural Numbers?
- Only positive counting numbers are natural numbers.
- 0, −5, 1/3, and 2.5 are not natural numbers.
🛎️ What are Whole Numbers?
- Whole numbers are natural numbers plus zero.
- They do not include negative numbers, fractions, or decimals.
🛎️ How to Identify Whole Numbers?
- Zero is a whole number, but not a natural number.
- Negative numbers are not whole numbers.
🛎️ What are Integers?
- Integers are whole numbers, their negatives, and zero.
- They do not include fractions or decimals.
🛎️ How Are Natural Numbers, Whole Numbers, and Integers Related?
- Every natural number is a whole number.
- Every whole number is an integer.
Practice Questions
Test your understanding
Which of the following is a natural number?
Correct! 🎉 +10 pointsNot quite right
Natural numbers start at 1 and go up: . Natural numbers don’t include zero, negatives, or decimals. So here, only 7 is a natural number.
Which of the following is a whole number?
Correct! 🎉 +10 pointsNot quite right
Whole numbers are 0, 1, 2, 3… with no negatives (-2), decimals (4.7), or fractions ().
Which set contains only natural numbers?
Correct! 🎉 +20 pointsNot quite right
Natural numbers are positive counting numbers like and 3. Zero is not a natural number, negative numbers are not natural numbers, and decimals are not natural numbers.
Which of the following lists contains only integers?
Correct! 🎉 +20 pointsNot quite right
Integers include negatives, zero, and positive whole numbers, with no decimals or fractions.
Which statement is correct?
Correct! 🎉 +20 pointsNot quite right
Integers are the only type in this list that include negative numbers. Whole numbers never include negatives, natural numbers do not include zero, and integers do not include fractions or decimals.
Which statement is true?
Correct! 🎉 +30 pointsNot quite right
All natural numbers are whole numbers. Not all integers are whole numbers because integers can be negative. Not all whole numbers are natural numbers because zero is a whole number but not a natural number.
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Interactive Activity
Practice identifying Natural, Whole, and Integer numbers
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