A I S S I D and Now.…there is one more thing we need to know. Remembering AIS and SID can help us with this next stage.

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Presentation transcript:

A I S S I D and Now.…there is one more thing we need to know. Remembering AIS and SID can help us with this next stage.

= Look at the signs in the middle, if they are the same, then replace them with

= 3 +

= Look at the signs in the middle, if they are different, then replace them with

=

Can you use all your knowledge of negative numbers so far to find the answer to these calculations? = = Remember: This is your start number and the new sign in the middle is the direction - +

 Exercise 4D-Addition of Integers