Welcome to H3 Maths

Blog Support for Growing Mathematicians

Go West Young Man!

May31

Yes, the cry of the early USA settlers was “Go West Young Man”. This exciting period of exploration led to large numbers of people travelling out to Oregon in the far west (read some interesting Trail Facts here). They faced incredible difficulties and many challenges, not only on the journey but also in settling into a new way of life. This pic is taken in Oregon City, at the end of the trail, where there is a really informative Interpretive Center. Here, the Willamette River flows over the Willamette Falls. The falls were a major obstacle to transportation in the early days, but the valley itself is now one of the most fertile agricultural regions in North America, and was thus the destination of many 19th-century pioneers travelling west along the Oregon Trail. In the 21st century, major highways follow the river and roads cross it on more than 50 bridges. More info here. (PS: The Willamette is pronounced to rhyme with “Dam It” – after all, “It’s the Willamette, dam it!”)

The Oregon Trail makes for some great mathematical activities, such as average distance travelled each day, seasonal temperatures on the trail, and the probability of disease, fatalities or injury. But many maths students don’t know the compass directions so here they are for your refreshment. Remember that the sun rises in the East and sets in the West. If you draw a simple map of your country  you normally have it pointing north. If so, then East is on the right and West on the left. The in-between compass points are always taken from the major one between. For example, between West and North, the major compass direction is North (in red below), so we call the in-between “North West” or NW for short. So, check these directions out as they come up regularly in class tests in Geometry and Trigonometry:

There are some wonderful Mathematics tasks that follow the early adventures of the great pioneers, Lewis and Clark, such as at this site.

by posted under Uncategorized | Comments Off on Go West Young Man!    

Comments are closed.

Post Support

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)?]

Archives

H3 Viewers



Skip to toolbar