Chapter 1: Grade 7 Integer Review:

Integers are "negative" and "positive" numbers. They can be represented as integer chips or on a number line. You get a "zero pair" when you have a negative and positive of the same number, example: -3 and +3 make 0.

Adding and subtracting integers:

(-3) + (+9) =

owe 3 have 9= +6

(+7) - (-9)

have 7 owe 9= 16

Chapter 2 multiplying integers:

Sign rules: When you have an even number of negative integers the answer is positive.

When you have an odd number of negative integers the answer is negative.

(3)x (7)= 21

3 groups of positive 7 the answer is positive 21

+++++++ +++++++ +++++++

(-4) x (+2)

remove 4 groups of positive 2

++ ++ ++ ++ = -- -- -- --

-- -- -- --

Chapter 3: Dividing Integers:

The way of reading the dividing integers is:

- How many groups of (a) are in (b)?

- How many (c)'s go into (d)?

(+9) ÷ (+3) =3

Partitive Division - The making of groups or parts.

(9) ÷ (3)=

+++ +++ +++

3 groups of positive 3

Quotative Division - Sharing with groups.

The quotient of the two integers with the same sign is "Positive".

The quotient of the two integers with the different sign is "Negative".

Chapter 4: Order of Operation

B.E.D.M.A.S. is used to do the order of operations for integers which stands for:

Brackets

Exponents

Division

Multiplication

Addition

Subtraction

(+7) x (-2) + (-9) ÷ (+8) =

[(+7) x (-2)] + [(14) ÷ (+2)] =

(-14) + (+7)= -7

Great post Jam. I would recommend changing the font of headings so that they stand out and are easy to find. I like that you chanded to font of the positive and negative integers.

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