Divide Integers Miss McKeown.

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Presentation transcript:

Divide Integers Miss McKeown

Aim: What algorithm can we use for dividing integers? Do Now: 36 ÷ 4 = 9 What does the number sentence above mean? How are the operations of multiplication and division related? What number sentence would undo the sentence above?

Aim: What algorithm can we use for dividing integers? Class Activity: Step 1: Construct three similar integer multiplication problems, two problems using one negative number as a factor and one with both negative numbers as a factors. Step 2: Create six related integer division facts.

Aim: What algorithm can we use for dividing integers? Step 3: Answer the following questions? a) List examples of division problems that produced a quotient that is a negative number. b) If the quotient is a negative number, what must be true about the signs of the dividend and divisor? c) List your examples of division problems that produced a quotient that is a positive number. d) If the quotient is a positive number, what must be true about the signs of the dividend and divisor?

Aim: What algorithm can we use for dividing integers? Rules for dividing two integers” A quotient is negative if the divisor and dividend have …………. …. signs. A quotient is positive if the divisor and dividend have………………signs.

Aim: What algorithm can we use for dividing integers? Find each value:

Aim: What algorithm can we use for dividing integers Aim: What algorithm can we use for dividing integers? How are multiplication and division of integers related?D Do Now:

Aim: What algorithm can we use for dividing integers Aim: What algorithm can we use for dividing integers? How are multiplication and division of integers related?

Is the quotient of two integers always an integer? Aim: What algorithm can we use for dividing integers? How are multiplication and division of integers related? Is the quotient of two integers always an integer?

Independent work: Student workbook pg 16, 17 Aim: What algorithm can we use for dividing integers? How are multiplication and division of integers related? Independent work: Student workbook pg 16, 17

Exit Ticket: Find each value: -36 ÷ 6 = -90 ÷ -9 = 35 ÷ -7 = Aim: What algorithm can we use for dividing integers? How are multiplication and division of integers related? Exit Ticket: Find each value: -36 ÷ 6 = -90 ÷ -9 = 35 ÷ -7 =

Homework: Student workbook # 1-5 pg 205 # 14-16 # 20-23 Aim: What algorithm can we use for dividing integers? How are multiplication and division of integers related? Homework: Student workbook # 1-5 pg 205 # 14-16 # 20-23