Show You Know, Page 84.

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

||||||196cm²

||||||/||||||||||\

||||14|||X|||14

|||/|||\|||||||||/||||\

||7 x 2 |x| 7 x 2

196=7x2x7x2

196=14x14

√196=14

The side length is 14cm.

Page 85 Questions 3,7,12 and 14.

Question 3:

The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. Use words and/or diagrams to explain how you know which factor is the square root of 36.

|||||36

|||/|||||||\

||6||X|||||6

/||||\|||||||/||||\

3 x 2 X 3 x 2

36=3x2x3x2

36=6x6

√36=6

The square root of 36 is 6.

Question 7:

Write the prime factorization of each number. Identify the perfect squares.

A)||||||42

||||||/||||||||\

||||7 |||x||| 6

||||||||||||||/||||\

||||7|||x|3||x||2

This is not a perfect square.

B)||||||169

|||||||/|||||||\

||||||13 |x| 13

This is a perfect square.

C)|||||||256

|||||||/|||||||||||\

|||||16|||X||||||16

|||/|||||\|||||||||/|||||||||\

||4||x||4|x||||||4||x||||4

/|||\|||||/|||\|||||/|||\|||||/|||\

2x2 x 2x2 x 2x2 x 2x2

This is a perfect square.

Question 12:

Determine the square of each number.

A)SxS=Area

||10x10=100

B)SxS=Area

||16x16=256

Question 14:

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

√900=30.

Question 17:

A fridge magnet has an area of 54mm². Is 54 a perfect square? Use prime factorization to find the answer.

||||||||54mm²

|||||||/|||||||||\

|||||27|||||x|||2

|||/||||\

||9||x||3|||x|||2

/||||||\||||||||||||||

3 x 3|x|3|||x|||2

It is not a perfect square.

Great post Patrick, I liked that you have all the questions and information to make your post more detail. I'm not sure if you put a link but if you didn't that could help.

ReplyDeleteYour post was very clear and states your information! Next time add a video or link to enhance your post!

ReplyDeleteNice post Patrick. I likes how you made the important words and numbers colorful to make them pop out. It looks very organized. Next time add a video and a link. Other than that, great job.

ReplyDeleteNice post, Patrick. It was neat and organized. I liked how you colored in the important words to stand out. Next time, add a video and a link. Overall, good job.

ReplyDeleteGood job, Patrick! It was really easy to read and understand! I loved the different colours you used and you work was perfect! Good job!

ReplyDeleteWow, you REALLY explained this, didn't you? It was so easy to read, and I had lots of fun looking at the colours, too! (seriously!)

ReplyDeleteYuo really got it all out there, so no one could miss understand unless they didn't know about what this is about! Good Job, Patrick!