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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.

The first lesson in unit one covers our basic number properties. In this lesson, we are

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B1 中級

# 1.1 - 基本的な数値の性質 (1.1 - Basic Number Properties)

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Yrchinese に公開 2021 年 01 月 14 日