Types Of Number
Bayani Gaba-gaba
Numbers come in families. Some are whole, some are negative, some can only be built by multiplying a number by itself, and a special few line up to make neat triangles of dots. Knowing which family a number belongs to is the quiet skill behind factorising, simplifying surds, working with fractions and spotting patterns in a sequence.
In this lesson you will sort numbers into natural numbers, integers, primes, squares, cubes and triangle numbers, then put them to work through factors and multiples, the highest common factor and lowest common multiple. You will also meet rational and irrational numbers and learn what a reciprocal is. These are the building blocks the rest of the number work rests on.
Manufura
- Identify and use: natural numbers (0, 1, 2, ...) integers (positive, zero and negative) prime numbers square numbers cube numbers triangle numbers common factors common multiples rational and irrational numbers reciprocals.
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Nazarin Darasi
Barka da kammala darasi akan Types Of Number. Yanzu da kuka bincika mahimman ra'ayoyi da ra'ayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
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- Which of the following is a prime number? A. 1 B. 9 C. 21 D. 23 Answer: D
- Which of these is the 5th triangle number? A. 10 B. 15 C. 21 D. 25 Answer: B
- What is the highest common factor (HCF) of 24 and 36? A. 6 B. 12 C. 18 D. 72 Answer: B
- What is the lowest common multiple (LCM) of 24 and 36? A. 12 B. 36 C. 72 D. 864 Answer: C
- Which of these numbers is irrational? A. 0.75 B. the square root of 9 C. the square root of 5 D. 2/3 Answer: C
Yi aikin wadannan tambayoyi a cikin manhaja
Yi aikin wadannan tambayoyi a cikin manhaja
Littattafan da ake ba da shawarar karantawa
Ƙarin koyo daga tushe na buɗe
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Sashen littafi
Find Multiples and Factors
Identify multiples of numbers
"Prealgebra: Find Multiples and Factors" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/prealgebra/pages/2-4-find-multiples-and-factors. Access for free at https://openstax.org/books/prealgebra/pages/1-introduction
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Sashen littafi
Rational and Irrational Numbers
Identify rational numbers and irrational numbers
"Prealgebra: Rational and Irrational Numbers" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/prealgebra/pages/7-1-rational-and-irrational-numbers. Access for free at https://openstax.org/books/prealgebra/pages/1-introduction
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