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# jay

• jay created a post,

### 4th grade math course challenge

A question on 4th grade math course challenge asked for the conversion for 70/100 cm to millimeters. I typed in 700 mm (because millimeters is 1000 place values and centi only covers 100.) But it s...

• jay commented,

New question same problem. 46 mins = 10/3 (people/wall) Break it down to 1 person a wall, and then show how much time it'll take 4 people to do 6 walls. I did the math and have it down to 460/3(min...

• jay commented,

Yea that helps, why the videos don't have that one piece of info is beyond me! In one of the videos they break it down step by step, so instead of *8/3 they do *1/3 and then *8/1? I think? It's v...

• jay commented,

I believe what I need to know, and what is missing, is the ability to know when to flip a fraction. For instance if 45 mins = 3/8 (#people/#walls) when reducing the fraction to 1/1 (1person/1wall)...

• jay commented,

They do some conversions in the hints that they don't explain where it came from and such. If just jumps right past it.. also I'm not looking to *solve* the problem, but to understand the math behi...

• jay created a post,

### Pre algebra rate videos

Not working and nonexistent videos. A few of the videos covering rates, and multiple rates, as well as the videos showing how to solve *rate problem 2* problems under intro to rates***  Please fix ...

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