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Posts tagged with algebra

The Wisdom of Earl

October26

H3 was enjoying meeting up with Earl in Montana. Montana is Big Sky country and Earl has a big heart for helping students with their math – which is the subject we naturally focused on after a while (there was hay to feed to the horses and some garden crops to pick first). I mentioned […]

Instant solutions at mathway.com

October17

Mathway boasts that it “provides students with the tools they need to understand and solve their math problems. With millions of users and billions of problems solved, Mathway is the #1 problem solving resource available for students, parents, and teachers.” What does H3 think? Yes, this is a useful problem-solving tool and the graphical functions […]

Problem-Solving Problems

July18

Check out the sets of problem-solving questions on the NZMaths website. Copymasters are included and there are excellent problems for all levels, covering Algebra, Measurement, Geometry, Statistics, etc. Here is one example, from Level 2: “There are 2 pirates and 4 treasure chests on an island. The pirates have 1 small boat to take the […]

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When dividing by a fraction the answer gets bigger?

July13

That’s right. Here is a typical problem that asks you to divide a number by a fraction: Think of it this way – how many halves are there in 30? Answer: Well, there will be 60 halves in 30. So the answer will be 60 + 10 = 70. Note that we do the division […]

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Find x

March1

One of many great Math posters available from redbubble:

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What do these faces have in common?

February20

A wide variety of faces, yet they all have something in common. What do you think it is? Answer: They are all fake images! How? See this intriguing video which uses an amazing new mathematical facial formula (algorithm). Click on the image to view (approx 6min):

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Algebra Booklet for Junior Algebra

December31

The New Zealand Centre of Mathematics offers a free Algebra Booklet for teachers and students. This is an excellent resource and should help improve algebraic skills for Year 9-11 (14-16 yr old) students. This 82 page booklet contains work on simplifying expressions, exponents, solving simultaneous equations using algebra and graphs. This website also includes videos, […]

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Some Common Math Errors

November6

Errors #1: This image shows a student’s working. What went wrong? Well, obviously x should = 17, not the square root of 17. Perhaps a better way to explain the error is like this: When solving equations (expressions with an equal sign) like this, remember the algebraic rule: “Whatever you do to one side, do […]

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Can you solve the fruit puzzle?

February18

Read Post Support for some clues. Hint: not all bananas are created equal!

Creative Mathematics teacher wins award

September22

How does the supply and demand for iPods help students make hypothetical business decisions both graphically and algebraically? And, what does bungy-jumping have to do with Barbie Doll calculations? Meredith Progar won a State-wide teaching award for engaging 9th and 10th-grade Algebra students at North Allegheny Intermediate High School, using such common, everyday illustrations and […]

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