ic: ch. 1.5 day 1 hw: p.32(12-25) textbook copy problem...
TRANSCRIPT
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