Probapility Question

What is the probability of of getting the sum of 7 when rolling two six sided dice?

Notice how the picture equals 7.

The Area of a Triangle

Every triangle is half of a parallelogram. We know the formula to find the area of a parallelogram is base times height. So the formula of a triangle is half of the area of a parallelogram . The formula of the area of a triangle is base times height divided by two.

The height of a triangle has a perpendicular line from the base to the opposite angle.

Here is a link for help on finding the area of a triangle.

Order of Operations

B-brackets

E -exponents

D-division
M-multiplication

A -addition

S-subtracting

Division and multiplication are equal so witch ever one is first, going left to right is the one you do first.

The same with adition and subtracting they are equal so witch ever one is first, going left to right is the one you do first.

Example

(10-5)x5+5 =

\/

5x5+5 =

\/

25+5=

\/

30

Home work

Annie has asked to calculate 1.7 + 6 ÷ 2. She claims the answer is 3.85. Do you agree? Explain why or why not.
1.7 +6÷ 2
1.7+3 since 6÷ 2= 3
1.7+3=4.7

2. Put brackets in the following expression to get the largest value possible. What problem strategy did you use?

3 x 2.8 + (6.4 ÷ 4)=10

3. Create a problem that could be solved using the following expression.

2.5 + 1.25 + (5 x 1.6)=11.75

Go to the link.