Name: 1.1 - 基本數字屬性 (1.1 - Basic Number Properties)
Uploaded: 2021-01-14T06:43:46.000Z
Duration: 2 min 18 s
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The first lesson in unit one covers our basic number properties. In this lesson, we are

going to cover the associative property, the commutative property, and the distributive

property. The associative property states; For all real numbers a, b, & c: (a + b) +

c = a + (b + c) and (ab)c = a(bc). The associative property refers to the manner in which numbers

are grouped, or associated, and is true for addition and multiplication only.*Notice the

order in which the variables are expressed remain constant.Next,  the commutative property states that for all

real numbers a & b: a + b = b + a and ab= ba.The commutative property refers to the

manner in which numbers are ordered.*The order in which you add or multiply numbers does

not affect the result.Finally, we have the distributive property. The distributive property

states; For all real numbers a, b, & c: a(b + c) = ab + ac.When a number is being multiplied

by a quantity, every term in the quantity must be multiplied by the number.*Since the

distributive property includes multiplication and addition. The order in which the numbers

are expressed does not affect the outcome. (b + c) = ac + ab. To earn credit for completing

this lesson, you need to identify the property illustrated in each of the examples below

and respond to the polls on the Haiku website. Use the poll results and the discussion board

to connect with your classmates and identify the correct answers.