igsce maths dividing a negative number by a negative number - PowerPoint PPT Presentation

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igsce maths dividing a negative number by a negative number

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Title: igsce maths dividing a negative number by a negative number


1
divide negative number by a negative number
using a number line
2
in this lesson
we show how to divide a positive by a negative
number using a number line
you also do an exercise divide a positive by a
negative number using a number line
3
how do we divide?
dividing by 4
dividing by a positive number
dividing by -4
dividing by a negative number
4
make divisions from 0
examples
-ve
-ve
division size -4
facing the negative
follow the arrows
3
5
4
2
1
when dividing we get answer by counting
counting forward answer is positive
5
make divisions from 0
examples
-ve
-ve
division size -3
facing the negative
follow the arrows
2
4
3
1
5
when dividing we get answer by counting
counting forward answer is positive
6
lets do together
7
make divisions from 0
examples
-ve
-ve
division size -3
facing the negative
follow the arrows
2
1
3
when dividing we get answer by counting
counting forward answer is positive
8
make divisions from 0
examples
-ve
-ve
division size -4
facing the negative
follow the arrows
3
4
2
1
when dividing we get answer by counting
counting forward answer is positive
9
in the next exercise
you need
a number line
10
exercises
evaluate the following
1.
2.
3.
4.
5.
6.
11
answers
we evaluated and got the following
1.
2.
3.
4.
5.
6.
12
make divisions from 0
working
1.
-ve
-ve
division size -4
facing the negative
follow the arrows
3
2
1
when dividing we get answer by counting
counting forward answer is positive
13
make divisions from 0
working
2.
-ve
-ve
division size -2
facing the negative
follow the arrows
3
1
2
when dividing we get answer by counting
counting forward answer is positive
14
make divisions from 0
working
3.
-ve
-ve
division size -5
facing the negative
follow the arrows
2
1
when dividing we get answer by counting
counting forward answer is positive
15
make divisions from 0
4.
working
-ve
-ve
division size -2
facing the negative
follow the arrows
2
3
1
5
4
6
7
when dividing we get answer by counting
counting forward answer is positive
16
make divisions from 0
5.
working
-ve
-ve
division size -5
facing the negative
follow the arrows
4
3
2
1
when dividing we get answer by counting
counting forward answer is positive
17
make divisions from 0
6.
working
-ve
-ve
division size -7
facing the negative
follow the arrows
1
2
3
when dividing we get answer by counting
counting forward answer is positive
18
summary
we showed how to divide a positive by a negative
number using a number line
you also did an exercise dividing a positive by
a negative number using a number line
19
more free maths lessons
at
igscemaths24.thinkific.com
20
make divisions from -20
working
1.
-ve
-ve
division size -4
facing the negative
5
3
2
4
1
when dividing we get answer by counting
counting forward answer is positive
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