let’s start with some addition steps for adding 1) look at the signs 2) same signs – add example...

The Answer is RIGHT

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Page 1: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

The Answer is

RIGHT

Page 2: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

Rules:1) Write your answer on your board2) When the answer is shown give yourself a

tally for the correct answer3) For an incorrect answer, just do not give

yourself a tally4) This game is meant to be a review to help

you prepare for the quiz and test5) PLEASE do not stress and understand the

slides will move in a quick pace6) GOOD LUCK and HAVE FUN

Let’s start with some ADDITION

STEPS for ADDING1) Look at the signs2) Same signs – ADD

example -5 + -2 = -73) Different signs – SUBTRACT

example -2 + 10 = 8remember you take the sign of the larger integer

3 + -10 =

-7

Page 5: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

-33 + -78 =

-111

Page 6: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

0.67 + -1.5=

-0.83

Page 7: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

-¼ + 6/8 =

Page 8: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

Everyone’s Fav…. SUBTRACTION

STEPS for SUBTRACTING1) Change subtraction to addition

- 6 – 8 - 6 + -8

or - 5 – (- 9) - 5 + 9

2) Same signs – ADDexample - 6 + -8 = -14

3) Different signs – SUBTRACTexample -5 + 9 = 4

remember you take the sign of the larger integer

Page 9: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

-3 – (-11) =

Page 10: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

0.3 – 10 =

- 9.7

Page 11: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

-5 – 62 =

- 67

Page 12: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

14 – 122 =

- 108

Page 13: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

Now on to the easier stuff…. MULTIPLICATION

STEPS for MULTIPLYING1) Positive x Positive = Positive 2) Negative x Positive = Negative3) Negative x Negative = Positive

IN OTHER WORDS… Same Sign = Positive Different Signs = Negative

Page 14: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

-0.5 × 0.5 =

-0.25

Page 15: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

2 (100) =

200

Page 16: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

-4 × -1 × -2=

-8

Page 17: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

1.5 or 1½

1( 2) (3)

Page 18: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

-32 =

9-3 × -3

Page 19: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

-33 =

-27-3 × -3 × -3

Page 20: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

Exponent Rules with Negative Integers• Even exponents = POSITIVE

• Odd exponents = NEGATIVE

Page 21: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

Last but NOT Least…. DIVISION

STEPS for DIVIDING 1) Positive ÷ Positive = Positive 2) Negative ÷ Positive = Negative3) Negative ÷ Negative = Positive

IN OTHER WORDS… Same Sign = Positive Different Signs = Negative

Page 22: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

-2 ÷ -5 =

0.4

Page 23: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

- ¾ ÷ ½ =

- 1 ½

Page 24: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

0 / -2.55 =

Page 25: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

Bringing it ALL Together…

Now that we know all the operations we can do multi-step algorithms…

Just do not forget…

PEMDAS

Page 26: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

(-5) (-8) + 7 – 17=

Page 27: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

-42 + (-3 – (-12)=

Page 28: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

-2(-2) 2×-2=

-16

Page 29: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

-25 + - 100 =

-132

Page 30: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

-104

Page 31: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

Page 32: Let’s start with some ADDITION STEPS for ADDING 1) Look at the signs 2) Same signs – ADD example -5 + -2 = -7 3) Different signs – SUBTRACT example

-12

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