commutativity

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com·mu·ta·tive

 (kŏm′yə-tā′tĭv, kə-myo͞o′tə-tĭv)
adj.
1. Relating to, involving, or characterized by substitution, interchange, or exchange.
2. Independent of order. Used of a logical or mathematical operation that combines objects or sets of objects two at a time. If a × b = b × a, the operation indicated by × is commutative.

com·mu′ta·tiv′i·ty (kə-myo͞o′tə-tĭv′ĭ-tē) n.

commutativity

(kəˌmjuːtəˈtɪvɪtɪ)
n
the property of being commutative
Translations
commutativité
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References in periodicals archive ?
Specific focus areas were students' ability to reason and explain their knowledge and their understanding and use of arrays, the commutative property, the distributive property, and the inverse relationship between multiplication and division.
In this activity, students explore the Commutative Property by examining true/false equations.
the commutative property of addition and multiplication
The first two problems sought to establish how multiplication without zero was solved and explained and if the subject used the commutative property of multiplication as an explanation.
building addition facts to at least 20 by recognising patterns or applying the commutative property, e.
ANSWER: Teach your students about the commutative property of multiplication.
The commutative property, counting on, doubles, and making a ten are among the strategies included in the Addition book.
Throughout their work with subitising, students are also able to process and utilise the critical mathematical properties of the commutative property and the associative property at the multiplicative level as well (See C8, C9, C10, Table 1).
Some students explored the commutative property, a x b = b x a, and still others found the products of single-digit numbers and multiples of 10 and 100:
For example, students might learn about the commutative property for multiplication (3x4 = 4x3) by counting objects in equal groups and observing that four groups of three is the same as three groups of four.

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