Chapter 1.1 Additive Inverse Absolute Value Adding Real Numbers.

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Presentation transcript:

Chapter 1.1 Additive Inverse Absolute Value Adding Real Numbers

3. Find the additive inverse (the opposite). b c. A loss of 12 yards a gain of 12 yards a. The additive inverse of

Absolute Value – the distance a number is from zero on the number line. a.| | = 7.34 b.|  | =  0 4.Find the absolute value. c. | | = 2 0

Adding Numbers with the Same Sign

Adding Two Real Numbers Same sign ( - 5) Add their absolute values. (7 + 9) - (3 + 5) 2. Keep the common sign.

Adding Numbers With The Same Sign 5a b ( - 35) - 58 ( ) -

6. + ( ) (-20) ( ) LCD =35 Adding Numbers With The Same Sign

( ) - Adding Numbers With The Same Sign ( ) -

( - 11) + ( - 33) - ( ) - 51 Adding Numbers With The Same Sign

Adding Numbers with Different Signs

( - 9) - 1.Find their absolute values. (9 – 7) + (5 – 3) Adding Two Real Numbers Different signs 2.Subtract the smaller value from the larger value. 3.Keep the sign from the number with the larger value.

(15 – 9) + Adding Numbers With Different Signs

( ) Adding Numbers With Different Signs + 7 = (16 – 7)

(14.3 – 3.5) - Adding Numbers With Different Signs ( - 8) –

( ) - (15 – 13) ( ) + 13 Adding Numbers With Different Signs ( - 7) + ( - 2)

13a ( - 5.7) ( ) - Adding Numbers

13b. + ( ) (8 – 3) (-3) Adding Numbers LCD =12

Chapter 1.1 Additive Inverse Absolute Value Adding Real Numbers