IC: Ch. 1.5 – day 1HW: p.32(12-25) textbook

Copy problem and solve

Materials

Write the IC and HW in your planner. Monday, 9/11/17

• Pencil• Slate, Marker, Eraser• Ch. 1 Math Folder• Extra Credit #3

Division With Integers

Let’s explore and investigate…

Task 1:

We know 2 3 6

What is… 6 2 ____

6 3 ____

Task 2:

We know 5 4 20

What is… 20 ( 5) ____

20 4 ____

32

4-5

Division With Integers

Let’s explore and investigate…

Task 3:

We know 7 ( 2) 14

What is… 14 7 ____

14 ( 2) ____

Task 4:

We know 6 ( 10) 60

What is… 60 ( 6) ____

60 ( 10) ____

-27

-10-6

Division With Integers

Let’s explore and investigate…

Task 5: What happens with zero?

0 3 ____ 3 0 ____

0____

3

3____

0

0

0

undefined

undefined

Cannot be calculated

What’s going on?Task 1:

We know 2 3 6

What is… 6 2 ____

6 3 ____

Task 2:

We know 5 4 20

What is… 20 ( 5) ____

20 4 ____

32

4-5

Task 3:

We know 7 ( 2) 14

What is… 14 7 ____

14 ( 2) ____

Task 4:

We know 6 ( 10) 60

What is… 60 ( 6) ____

60 ( 10) ____

-27

-10-6

What’s going on?Task 1:

We know 2 3 6

What is… 6 2 ____

6 3 ____

Task 2:

We know 5 4 20

What is… 20 ( 5) ____

20 4 ____

32

4-5

Task 3:

We know 7 ( 2) 14

What is… 14 7 ____

14 ( 2) ____

Task 4:

We know 6 ( 10) 60

What is… 60 ( 6) ____

60 ( 10) ____

-27

-10-6

What’s going on?Task 1:

We know 2 3 6

What is… 6 2 ____

6 3 ____

Task 2:

We know 5 4 20

What is… 20 ( 5) ____

20 4 ____

32

4-5

Task 3:

We know 7 ( 2) 14

What is… 14 7 ____

14 ( 2) ____

Task 4:

We know 6 ( 10) 60

What is… 60 ( 6) ____

60 ( 10) ____

-27

-10-6

Division With Integers

Divide like normal and then…

1. Same Signs Positive Answer

2. Different Signs Negative Answer

10 ( 2)

10 10 10 or or

2 2 2

5

5

7 8 5

0-7 -7

-18 ÷ (-6)3

18 6

3

12

3

4

Are these equivalent? Explain how you know.

8 8 and

2 2

10 ( 2) 10 ( 2)

10 2 10 2

1210 2

8

20 5

9 12 4 6 18 3

9 3

6

6 6

6 6

0

0 -50

16

5 0 16

0

0 0

Undefined...

Can't be

calculated

Undefined...

Can't be

calculated

14 (15 5) 6 2 ( 2)

14 ( 3)

14 3

11

12 ( 2)

12 2

14

15 5 15 5

15 ( 5)

15

5

1015 5

20

75

3

8 3 4 8 18 3 4

25 5 13 3 5 14

5 13

18

15 14

29

HW: p.32(12-25) textbookCopy problem and solve

18 6 18 6

18( 6) 18

6

2418 6

12

1083

22 11 22 11

22 11 22 11

1122 11

33

242 2

Solve each:

1) 6 ( 20) 15 2) 11 ( 8) 9( 3)

-26 + 15

-11

11 + (-8) + -27

3 + -27

-24