Vincent's Math Questions Page 339 6-9

Vincent's Term 2 Reflection

This term, we learned about percents, fractions and how to convert them. After that, we learned surface area and volu,e of rectangular and triangular prisms and cylinders. I did well on converting fractions to decimals to percents because I understood what to do and I did pretty well on the the quizzes. With surface area, I had trouble when I started because I missed the beginning and I didn't remember the formulas well, but after awhile, I learnt the formulas and did better. On most of the surface area quizzes, I mostly got perfect or one or two mistakes. One thing I struggled on was finding the volume for two prisms near the end of the unit. I had trouble because I didn't understand it very well.

Next term, I'll try to improve by posting more comments on other people's posts and answering questions. I'll also try to ask more questions if I don't get something. i'll also do more homework and try to finish my work to get the marks. I will also try not to procrastinate as much as I did this term.

I learned in percen that you can use a ratio table to help you find the answer. I also learned how to convert them properly because I had a calculator. In surface area, I learned that for the formula to find TSA (Total Surface Area) for a rectangle, you can just multiply it by 2 instead of writing each measurement twice. I also learned that you have to have the exact units or you'll lose some marks. What I learned about volume was that the volume always has to be in cubic units. I also learned that you use different formulas to figure out the volume.

Vincent's Great Big Book Of Integers

Chapter 1 Grade 7 Integer Review

Zero Pair-A pair of numbers where one number is postive and the other is negative and when added, they equal zero.

Examples:

+6 -6 -10 +10 19 -19

-16 +16 -11 +11 +14 -14 63 -63

Integers from Grade 7

Positive (+) means you have

Negative (-) means you owe

( ) Brackets are like training wheels

Standard Form of Integers is +4-4

Pure Standard Form is 4-4

Chapter 2: Multiplying Integers

(+3)x(+8)

(+3)(+8)-If the brackers are touching, it means you have to multiply

3(+8)

(+8)+(+8)+(+8)-You can use repeated addition

Chapter 3: Dividing Integers

Partative Division-Dividing by groups

6 divided by 2

Quotative Division-Sharing with groups

-6 divided by 2

Multiplicative Inverse can help solve 6 divided by -2 because if you solve the question and find the answer, you just have to switch the quotient with whats being divided.

Sign Rule-If they have the same sign or an even number of signs, its positive

If there are two different signs or a odd number of signs, its negative

Chapter 4:Order of Operations with Integers

(+5) x (-3) + (-6) divided by (+3)

(+5) x (-3) + [(-6 divided by (+3)]

(+5) x (-3) + -2

[(+5) x (-3)] + -2

-15 + -2

-17

Vincent's Homework Book Post

Pages 78-79

Questions 5, 7 and 9

5. What is the volume of a right prism that has a base with an area of 15cm2 and a height of 7 cm?

7.Calculate the height of each rectangular prism.
a)

b)

9.Chad wants to cut back on the amount of treats he is eating. He has two chocolate bars to choose from. Which one has less chocolate? Show your thinking.

The one on the left has less chocolate.

Cylinder Volume and Volume Problems

(2πxrxr)+(2xrxπxh)
(2x3.14x12x12)x(2x12x3.14x15)
904.32cm2 + 1 130.4cm2

2034.72cm3

Vincent's Pay It Forward

Part 1

The movie "Pay It Forward" was about a boy named Trevor was given an assignment by his teacher Mr. Simonet. Mr. Simonet wanted them to change the world in some way. Trevor's idea of changing the world was that he helps 3 people and each of those people help another 3 people and so on. Even though he thought it didn't work out, it actually does.

Part 2

What was your Pay It Forward act of kindness?

My Pay It Forward act of kindness was that my friends and I give out candy canes to people we either know or don't know.

Why did you choose this activity?
We chose this activity because we wanted to let people know about Pay It Forward by making cards to that says it.

Who did you help?
We didn't really help anybody because we were giving the candy canes randomly.

What did you do?

We got small pieces of paper and we put Pay It Forward on each one. After that, we added why we are doing this and what Pay It Forward is. When all the cards were finished, we added candy canes. When that was done, we went around our neighborhoods and gave them to people we know or strangers.

When did you do you act of kindness?

We did our act of kindness on December 18th, 2010 from 2:00 to 6:00 P.M.

Part 3

How did your act of kindness go?

Our act of kindness went kinda well, we did get a few people to take the cards. These two guys that we met really seemed to enjoy what we were doing which made me feel really nice.

What Happened?

When we were gonna give the cards out, we left them on cars or in mailboxes. We also went up to some people if they wanted one, about one third of them took them, while the others didn't want them :/

How did you feel?

I felt really good doing this because I want people to now what Pay It Forward is and hopefully they'll Pay It Forward.

How did the person or people react?

Some of the people were really interested about this. On the other hand, some people had the same expression they had when we asked them if they wanted the cards.

Did you ask the person or people to "Pay It Forward"?
We told most of them to Pay It Forward when we gave them the cards.

How did they react to your request?

Most of them reacted kinda confused because they might have not known what we meant.

If you did not ask the person to "Pay It Forward" how come?
We might have not asked them because they didn't seem like they wanted to or we might have forgotten.

Part 4

Why is the idea of "Pay it Forward" important?

The idea Pay It Forward is important because helping people is a way of showing that you care and you want to make a difference. Even the smallest things can make a difference like giving out candy canes or giving out cards.

Has your act of kindness made a difference?
I don't know if our act of kindness made a difference but I hope it has made one to all the people that we gave one or found one.

Homework Book Page 42-43 Questions 1-3

1.Label each example with the mental math strategy it represents: halving, doubling or dividing by then

a)1% of $66

10% of $66=$6.60

1% of 66=$0.66 Dividing by 10

b)5% of 180

10% of 180=18

5% of 180=9 Halving

c)20% of $3.20

10% of $3.20=$0.32

20% of $3.20=$0.64

2.Circle the terms that correctly complete this statement.

3.A.

Vincent's Pythagoras Scribe Post

4.E=30 x 30=900
F=40 x 40=1600
G=50 x 50=2500

9.a)4 cm 2=16 cm 2, 3 cm 2=9 cm2, 2 cm 2= 4 cm 2

b)The triangle isn't a right triangle because when you add 9 cm 2 and 4 cm 2, it doesn't equal to 16 cm 2

12.a)20 cm 2 + 32 cm 2=52 cm 2

b)576 mm 2 + 100 mm 2=676 mm 2

c)25 cm 2 + 65 cm 2=90 cm 2

d)12 cm 2 + 12 cm 2=144 cm

17.a)21 x 21 = 441 b)5 x 5 = 25

28 x 28 = 784 12 x 12 = 144

441 x 784 = 1225 25 + 144 = 169

Vincent's Sesame Street Video

Group: Kevin, Paul and myself.

Part 1:

Ratio

Two-Term Ratio-Compares two quantities measured in the same units.

Example: A:B, 1:2, 1 to 2

Three-Term Ratio-Compares three quantities measured in the same units.

Example: Dogs to cats to birds, 1:2:3, 1 to 2 to 3

Part to Part Ratio-Compares different parts of a group to each other.

Example:Squares to circles, 5:40

Part to Whole Ratio-Compares one part of the group to the whole group.

Example:Black tiles to total tiles, 10:20

Rate

Compares two quantities measured in different units

Unit Rate-A rate in which the second term is one

Example:A boat travels 25 km/hour

Unit Price-A unit rate used when shopping

Example:Erasers 0.25 cents each

Proportion

A relationship that says that two ratio or two rates are equal.

Example:2/4 = 4/8

Part 2:Grover Smell Like A Monster

Part 3:Listen To Harbeck

Vincent's Math Profile

Hello, my name is Vincent and I study grade 8 math and other subjects. When someone asks me if I like math, I'll answer that question with a yes and no. This is my answer because I'm not the best math student in the world but I try to get better everyday. My other answer to that question is that sometimes, I actually dislike math, honestly. For me, I sometimes get frustrated in math but thats because I don't understand it and I don't ask questions. One of the best things I did in math class was learning about a Cartesian Plane or Coordinate Grid. I enjoyed this event because it seemed like something very simple and it was kinda simple.


Last year, Integers was the unit I studied the best because it was kinda straight-forward for me. I like how we represented positives and negatives with colours. The unit that made me struggle the most was learning how to make numbers into fractions, decimals and percents. This was hard for me because I never understood it no matter how much Mr.Isfeld explained it and I never had a working calculator when I needed one. This year, I can improve that by asking more questions if I'm puzzled and by getting a calculator that actually works.


This year for Math, I want to improve by listening more in class, asking more questions and study what we did that day that night to understand it more. This year, I want to learn about mean, mode and median. I would also like to re-learn how to make numbers into fractions, decimals and percents.


My favourite blog from last year was about pi, even though it was short blog. Blogging helped me alot as a student because it helped me learn how to do the work that we did that day better because it was right on the internet instead of waiting the next day to ask Mr.Isfeld how to do it especially if we had homework that was due. On the computer during math class, I want to find good math sites that'll help if I don't know how to do something or if the blog can't help me and maybe even play some fun math games.