**Page 84: Show You Know**

Determine the side length of a square with an area of 196 cm².

I used

**prime factorization**to answer this:

The side length of a square with an area of 196 cm squared is 14 cm².

**Page 85: Questions 3, 7, 12 and 14.**

3. The square root of 36 is 6 because out of all the factors, 6 multiplied by itself is the only one that equalled to 36.

7. a) 2x3x7 = 42 ; It

**is not**a perfect square.

b) 13x13 = 169 ; It

**is**a perfect square.

c) 2x2x2x2x2x2x2x2 = 256 ; It

**is**a perfect square.

12. Determine the square of each number:

a) 3x3 = 9

b) 18x18 = 324

14. Determine the side length of a square with an area of 900cm²

900 ÷ 30 = 30 ; 30x30 = 900cm²

The side length of a square with an area of 900cm² is 30 cm.

Here is a video on square roots.

Here is a link on square roots.

Great job marie! I liked how you added a video, link, colors to make words/numbers stand out, and had the right info. Also, your scribe is neat & organized. A possibility could be taking a picture of your work, instead of doing it on paint, but its fine. Great job :)

ReplyDeleteGood job marie! I liked how it was organized, easy to understand, and great job for putting a link and video. Keep it up (:

ReplyDeleteGood Job Marie! I like how organized yuor scribe is! Keep Up the Goodwork!

ReplyDeleteGOOD JOB MARIE! I liked the way you added in a video, link, picture, and colours to make words and numbers stand-out. It was pretty organized and easy to understand. KEEP IT UP!

ReplyDeleteGreat job Marie!

ReplyDeleteI liked how you organized it, and that you added a video, link and some pictures. Also that you used colour to make words/numbers to stand out, and had the right information. Keep up the good work.

Good job Marie! I like how you added pictures, video and also a link which helps a lot!

ReplyDeleteTerrific Job Marie!

ReplyDeleteI liked the way that you added in a video, link, pictures and whatnot to help us understand on to how to answer the question. KEEP UP THE GOOD WORK!

Great job Marie. I like how you added a video,link and pictures.Keep it up

ReplyDelete