Parallel lines

Parallel lines- lines in the same place that never cross or intersect
 Example:

Perpendicular bisector

Perpendicular bisector- a line that divides another line segment in half and meets at right angles

- equal line segments are shown with hash marks 

Line segments

Line segments- a piece of line with starting and end points 


Example:

What is a radius?

Radius- (plural is radii) the distance from the center of a circle to its outer edge. 

A video how to find the radius of a circle when given the circumference

What's a diameter?

Diameter- is the distance across a circle through its center. 
example:

Number of the day

Number of the Day 3978.654

Question number 12,13,14

12. Divide the number of the day by 3.55 and round to the nearest hundreth:1120.747605633803= 1120.75

13.The product of all the digit is: 3x9x7x8x6x5x4=181,440

14. List all the prime numbers of the day: 3,7,5

Prime numbers-A number that only can be divided evenly only by 1 or itself.

Improper and proper fractions

Improper and proper fractions

Adding and Subtracting fractions

Adding fractions with unlike denominator

1.Look for the LCM or the Least Common Denominator

2. Once you found the common denominator make equivalent fractions

BEDMAS question

BEDMAS

How to answer an BEDMAS question

1. Do the the brackets first

2. Exponents, from left to right

3. Multiplication, from left to right

4. Divide,do from left to right

5. Add, from left to right

6. Subtract,do from left to right

Adding mixed numbers

How to add mixed numbers

Steps:

1.Deal with the fractions

2.Deal with whole numbers

3.Combine fractions and whole numbers

Example:

Divisibility rules

Rule for 1

- all whole numbers are divisible by 1

Rule for 2

- all even number are divisible by 2

Rule for 3

-the sum of all digits must be divisible by 3

Rule for 4

- all numbers that are divisible by 2 twice

Rule for 5

- numbers that end with 5 an 0

Rule for 6

- any number that is divisible by 2 and 3

Rule for 8

-all numbers divisible by 2 three times

Rule for 9

-the sum of all digits must equal 9

Rule for 10

- all numbers that end with an 0

Fractions that equal 1

Fractions that equal 1

- Any numerator and denominator with the same number is equal to 1.

Example:

Question # 4 from chapter 4

Connect fractions,decimals and percents.

Steps:

1. Use a ratio table

2.Perform the operation needed.

3.Then look for the answer.

Converting fraction to a decimal number and rounding to the place value indicated.

How to convert fraction into decimal number.

Rule:Whatever you do at the bottom, you do it at the top.

1.I divided the denominator (25) by itself to turn it into a 1

2.Then I divided the numerator (13) with the same number I used to divide my denominator.

3.Then I Rounded 0.52 to the nearest tenths which is 0.5.

This video shows you step by step how to round by decimals.

Order of Operations

How to answer todays question.

Step 1: First look for BRACKETS.

Step 2:Look for EXPONENTS.

Step 3: Look for DIVISION or MULTIPLICATION. (look from left to right)

Step 4: Then look for ADDITION or SUBTRACTION. (look from left to right)