Review Yesterday we went over the guided notes If you did not fill in the diagram at the bottom please do so now Right Ear Litter Left Ear Pig Review Looking at the pig each ear can be divided into four sections Each section represents a number You can have up to two notch ID: 580478
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Slide1
Pig Ear NotchingSlide2
Review
Yesterday we went over the guided notes. If you did not fill in the diagram at the bottom, please do so now.
Right
Ear
Litter
#
Left
Ear
Pig
#Slide3
Review
Looking at the pig, each ear can be divided into four sections. Each section represents a number. You can have up to two notches per section. You may have one notch or no notches at all. Trust me, the system is designed this way and mathematically makes sense. You will see once we start practice.
The only section that can have
one notch is the tip (81).Slide4
Let’s Practice
I have a pig with a litter number of 28 and an individual pig number of 6. It is written 28-6. This is how I would represent that.Slide5
Practice
On the back of your worksheet, fill in the information below.
Pig A: Litter #12 Pig #2
Pig B: Litter #15 Pig #6
Pig C: Litter #26 Pig #8Pig D: Litter #35 Pig #14We will do the first one together.Slide6
Pig A
You can use subtraction to help you figure out which notches to use.
Our Litter# is 12.
Which notch can we use without going over 12?
9 - So we draw a notch in 9.We are left with 3 and can put a notch in 3Slide7
Pig A
Our individual pig number is 2.
What is the highest number we can use without going over?
1
2-1 = 1We have another 1, so we can add another notch to the 1 section.Slide8
Practice on your own.
Use the
subtraction method
to complete Pigs B, C, and D. We will review on the next slides.Slide9
Pig B 15-6
15
-
9
-----6-3------3-3------
0
6
-
3
------
3
-
3
------
0Slide10
Pig C: 26-8
26
-
9
-----17-9-----
8-3------
5
-
3
------
2
-
1
------
1
-
1
------
0
8
-
3
--------
5
-
3
-------
2
-
1
--------
1
-
1
-------
0Slide11
Pig D: 35-14
35
-
27
-----8-3
-----5
-
3
------
2
-
1
------
1
-
1
------
0
14
-
9
--------
5
-
3
-------
2
-
1
--------
1
-
1
-------
0Slide12
Complete the next worksheet on your own.