20.10.20 grade 7 – area of circles – 4.5

Grade 7’s – Your assignment is 4.5 #’s 1-7

Check out this video below that explains exactly how the formula for the area of circle was arrived at thousands of years ago (formula explained).

And here is a follow up lesson video on #4 as it often gives people a moment to figure out

20.01.20 gr 8 – surface area of a right triangular prism – 4.4

Grade 8’s – Your assignment is 4.4 #’s 4-10