Angelique's Great Big Book of Integers

Grade 7 Integer Review
Integers

-integer chips

-negative and positive numbers

-zero pair (+, -)

When something that isn't there, use a zero pair.

Questions:

-6 - (-4) = (-2)

-10 + 6 = (-4)

6-7+2=3

14 - (-3) = 17

-3-(-7)= +4

-3-7=4

3-7 = -4

3 + 7 = 10

-3+7=

Chapter 2 - Multiplying Integers

Sign Rules - Even: When you have an even number negative factors the product is positive.

Odd: When you have an odd number of negative factors the product is negative.

(+2) x (+3) =

(2) x (3) =

(2)(3)=6 : standard form

2 (3) = 6

(+2) x (+3) = 2 groups of (+3) = 6

(+2) x (-3)

(-2) x (+3) = Remove 2 Groups of (+3)

(-2) x (-3)

Chapter 3 - Dividing Integers

What is Partitive Division?

Partitive Division is when you know the total numbers of groups, and you are trying to find the number of items in the groups.

6÷2=3

-6÷(-2)=3

What is Quotative Division?

Quotative Division is the number in each group, but you don't know the number of groups there are.

(-6)÷2=

You can find the answer to a question using multiplicated inverse.

In a division question with an amount or no (-) sign the quotient will be postitive.

If there is and odd number of negative signs the quotient will be negative.

Chapter 4 - Order of Operations with Integers

(+5) x (-3) + (-6) ÷ (+3)=

To answer we use BEDMAS

Brackets, Exponents, Division, Multiplication, Adding, Subtracting