Tuesday, November 9, 2010

Hanin's Estimating Square Roots q's 10-11 pg's98-99

10. Kai uses an entire can of paint on a square backdrop for the school play.The label on the can states that on can covers 27cm of wall surface. Estimate the backdrops side length, to one decimal place.


25 27 36
5 5.3 6

The backdrop side length to one decimal is 5.3cm

11. The square has an area of 20cm

a) Use perfect squares to estimate the side length to one decimal place.

b) Check your answers using a ruler to measure the side of the square. measure to the nearest tenth of a centimeter.


a) 16 20 25
4 4.5 5

The side length to one decimal place of 20cm is 4.5cm.

b) the side of the square 20cm measured to the nearest tenth of a centimeter is 4,5


  1. Good job Hanin! Next time you should add a video or link to enhance your post.

  2. Great job Hanin. I liked the colors you used and your post helped me a lot. Next time add a video, link, and a picture to make your post better. Other than that, great job.

  3. Good Job! Liked your post it helped me aot.

  4. Nice work Hanin. Try to use this alt+253 or alt+0178 to get the squared thing. I have just figured that thiis time so sorry when I can't help you. Other than that, good job.

  5. Great job on your Hanin, I liked that you have the questions and the answer to prove it. I would recommend though that you add a picture, video, and a link.

  6. Good job, Hanin! I liked all your colours. To make your post more interesting maybe put a video or a link and pictures.

  7. Great job, Hanin. I liked how you added questions to your post and how you used two different colors to enhance your post. Next time, add a video, link, and a picture. Other than that, good job.