Welcome to H3 Maths

Blog Support for Growing Mathematicians

H3 Maths Welcome Page

Welcome to H3 Maths, an area for Junior High School students to find cool Maths sites on common topics, and also to comment and ask questions on topics they are studying. The goal is to help students get organised, get interested and learn more about the wonderful, mathematical world they live in. When a student says, “I hate Maths” they are usually correct. After all, we all hate something that we are not good at!

Many students don’t like Maths because they have had no success at it. This blog aims to help students understand and do well in their Maths, or at least some mathematical topics. So, be encouraged and ask questions or add comments as you read the posts.

3 Comments to

“H3 Maths Welcome Page”

  1. March 23rd, 2013 at 3:01 pm      Reply Frederick Koh Says:

    Hi, I am a Singaporean maths teacher. I like your h3 math blog…


  2. April 23rd, 2012 at 8:41 pm      Reply Warren Leicester Says:

    Speaking of patterns in maths, I have always been interested in mathematics coming out in Nature (aesthetics) akin to some of the work Fibonacci and other renaissance mathematicians pursued.
    The Mandelbrot set and fractals is also a fascinating phenomenon as well, but probably above and beyond the understanding of most school students unfortunately.

    Congrats and good luck in your crusade to bring the joy and beauty of maths back to schools.


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Largest number between o and 1 million which does not contain the ‘n’ is 88

 

Rotation SAT Problem: Answer: 4 (see: https://www.youtube.com/watch?v=FUHkTs-Ipfg)

 

Which number has its letters in alphabetical order? Answer: F O R T Y

Hidden Rabbit? Clue: check the trees

How long for the stadium to fill? 45 minutes.

Where are you? the North Pole

Prize Object Puzzle: If Sue does not know where the prize is in the first question, it can’t be under the square. She must have been told it is under another shape. Apply this same logic to Colin. It is then obvious that the prize cannot be under a yellow object. That helps Sue eliminate her yellow shapes. Got the idea?

Algebra Puzzle: Answer = 1

Popular Math Problems Answers: 1, 1

Number of tabs? According to Lifehacker, the ideal number of tabs you should have open is nine. Yes, a single digit. To some, this is like playing a piano and only using a fraction of the notes!

Worst Graph? Where to start. What a visual mess and even some of the lines merge and are impossible to follow. A graph is a visual display of data, with the goal to identify trends or patterns. This is a spider’s web of information which fails to show a clear pattern at all. Solution? Well, different colors would help, or why not group in two or three graphs where trends are similar?

Number of different nets to make a cube is eleven – see this link

Homework Puzzle; The total value of the counters is 486, so halve this to get 243. Now, arrange the counters to equal this amount twice.

The graph on the left (Coronavirus) is for a time period of 30 days, while the one on the right (SARS) is for 8 months! Very poor graphical comparison and hardly relevant, unless it is attempting to downplay the seriousness of the coronavirus?

10 x 9 x 8 + (7 + 6) x 5 x 4 x (3 + 2) x 1 = 2020

NCEA Level 2 Algebra Problem. Using the information given, the shaded area = 9, that is:
y(y-8) = 9 –> y.y – 8y – 9 =0
–> (y-9)(y+1) = 0, therefore y = 9 (can’t have a distance of – 1 for the other solution for y)
Using the top and bottom of the rectangle,
x = (y-8)(y+2) = (9-8)(9+2) = 11
but, the left side = (x-4) = 11-4 = 7, but rhs = y+? = 9+?, which is greater than the value of the opp. side??
[I think that the left had side was a mistake and should have read (x+4)?]

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