Download presentation

Presentation is loading. Please wait.

1
**How to subtract integers**

2
**Why change to addition problem**

Subtraction is the opposite of addition So we make things opposite

3
**Step 1 Only make things opposite after the subtraction Example**

-4 – 9 would read negative four subtract negative nine So, we only change subtract negative nine

4
**Step 2 How do we change them**

We know that taking away a negative thing is a positive situation So, -(-3) will be + (+3) We changed subtraction to adding and negative to positive

5
**You try Only change them to addition problems 6- (-5) 6 +(+5) -10-(-4)**

-10 +(+4)

6
**Other type When we take way a positive thing**

We know it is a negative situation So 7 – 19 we change subtraction to addition and positive 19 to -19

7
You try Only change to addition problem 4-10 4 + (-10) 16-20 16 +(-20)

8
**Now we have addition problem**

Follow the same steps when we added integers What do we have more of Answer will be that sign Signs same or different Same add, different subtract

9
You try whole process 1. -3 –(-6) -3 +(6) more positive signs different, subtract -3 +(6)= (-11) More negatives Signs same, add -7+(-11)=-18

Similar presentations

OK

Add and Subtracting Positive Numbers. Positive Number- A number greater than zero 01 2345.

Add and Subtracting Positive Numbers. Positive Number- A number greater than zero 01 2345.

© 2018 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on photo editing Mis ppt on retail industry Ppt on care of public property band Ppt on road accidents in india Ppt on area of a parallelogram worksheet Ppt on history of indian railways Ppt on low level language Ppt on elements and principles of art design Ppt on zener diode application Jit ppt on manufacturing overhead