bring textbook!!!lischwe.weebly.com/uploads/3/7/4/7/37473719/roots_day_1.pdffinding exact square...
TRANSCRIPT
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BRING TEXTBOOK!!!
(Unless you already ripped out your homework page)
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TODAY’S WARMUP WILL NOT GO ON YOUR WARMUP PAGE. IT WILL GO ON A NOTECARD. ON YOUR WARMUP PAGE, JUST WRITE “NOTECARD.”
1) Convert 0.42 into a fraction. Simplify if possible.
2) Convert 0. ത7 into a fraction. Simplify if possible.
3) Convert 2.307 into a fraction. Simplify if possible.
4) Convert 0. 65 into a fraction. Simplify if possible.
5) Convert into a decimal: 5
12
6) Without doing any long division, estimate the value of 305
98.
Created by Mr. Lischwe
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1) Convert 0.42 into a fraction. Simplify if possible.
2) Convert 0. ത7 into a fraction. Simplify if possible.
3) Convert 2.307 into a fraction. Simplify if possible.
4) Convert 0. 65 into a fraction. Simplify if possible.
5) Convert into a decimal: 5
12
6) Without doing any long division, estimate the value of 305
98.
𝟒𝟐
𝟏𝟎𝟎
𝟐𝟏
𝟓𝟎
𝟕
𝟗
𝟐𝟑𝟎𝟕
𝟏𝟎𝟎𝟎𝟔𝟓
𝟗𝟗
𝟎. 𝟒𝟏ഥ𝟔
≈ 𝟑. 𝟏𝟏
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Converting fractions to decimals using long division
Estimating the value of fractions
Converting decimals to fractions using place value
Converting repeating decimals to fractions
Finding exact square roots
Estimating square roots
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Groups that aren’t done with their poster: YOU NEED TO FINISH ASAP!!! You are losing points each day it is late.
You need to come up with a plan to figure out who is doing what! Options:◦ Meet as a group during lunch
◦ Work on stuff separately during PLT
◦ Work on stuff separately at home
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1. 0.4
2. 2.125
3. 0.825
4. 0. 12
5. −0. 54
6. −7.1ത7
7. a. 0.0ത6 b. 0.1ത6c. 0.333 d. 0.417
8. −2
5
9. −78
25
10.2
9
11. −5
11
12. 27
9
13. 511
20
14.7
8in, 0.875 in
15. 11
16in, 1.0625 in
(Count these as 4 separate problems)
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Table of Contents
p. 1 Converting Fractions and Decimals (1.1)p. 2 Roots (1.8 & 1.9)
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Roots (1.8 & 1.9)
Objective:
-Find exact roots of a number
-Estimate roots of non-perfect squares (tomorrow)
2
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It’s true; you have already learned about square roots before. Our goal now is to think more deeply about them.
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The square root of a number is the number you take times itself to get that number.
For example…
9 = ____
Yes, -3 • -3 also = 9. But the square root is always assumed to be the positive one.
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A normal square root is always positive:
◦ 𝟗 = 𝟑
This would mean to take the negative square root:
◦− 𝟑𝟔 = −𝟔 This means to take the positive and negative square roots.
◦± 𝟏𝟎𝟎 You would write “10, -10”, or you could write ±𝟏𝟎
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Perfect Square: A number that has a whole number square root
Copy in your notes and complete the table. Go to at least row 15.
Perfect Squares Chart
12 = 1
22 = 4
32 = 9
*more rows*
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= 981
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= 864
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= 12144
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= 19361
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= 22 ×2
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= 39
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= 17289
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= 525
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= 11121
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= 55×5
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= 20400
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= 749
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= 88 ×8
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= 14196
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= 24
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= 15225
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= 1919 ×19
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= 10100
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= 636
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= 13169
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= 772
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= 16256
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= 416
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= 18324
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= 24
24 ×24
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= 19361
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= 17289
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= 14196
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= 15225
![Page 43: BRING TEXTBOOK!!!lischwe.weebly.com/uploads/3/7/4/7/37473719/roots_day_1.pdfFinding exact square roots Estimating square roots Groups that aren’t done with their poster: YOU NEED](https://reader036.vdocument.in/reader036/viewer/2022063016/5fd62b66b58cfa0283039ff2/html5/thumbnails/43.jpg)
= 13169
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= 16256
![Page 45: BRING TEXTBOOK!!!lischwe.weebly.com/uploads/3/7/4/7/37473719/roots_day_1.pdfFinding exact square roots Estimating square roots Groups that aren’t done with their poster: YOU NEED](https://reader036.vdocument.in/reader036/viewer/2022063016/5fd62b66b58cfa0283039ff2/html5/thumbnails/45.jpg)
= 16162
![Page 46: BRING TEXTBOOK!!!lischwe.weebly.com/uploads/3/7/4/7/37473719/roots_day_1.pdfFinding exact square roots Estimating square roots Groups that aren’t done with their poster: YOU NEED](https://reader036.vdocument.in/reader036/viewer/2022063016/5fd62b66b58cfa0283039ff2/html5/thumbnails/46.jpg)
= 18324
![Page 47: BRING TEXTBOOK!!!lischwe.weebly.com/uploads/3/7/4/7/37473719/roots_day_1.pdfFinding exact square roots Estimating square roots Groups that aren’t done with their poster: YOU NEED](https://reader036.vdocument.in/reader036/viewer/2022063016/5fd62b66b58cfa0283039ff2/html5/thumbnails/47.jpg)
= 13169
![Page 48: BRING TEXTBOOK!!!lischwe.weebly.com/uploads/3/7/4/7/37473719/roots_day_1.pdfFinding exact square roots Estimating square roots Groups that aren’t done with their poster: YOU NEED](https://reader036.vdocument.in/reader036/viewer/2022063016/5fd62b66b58cfa0283039ff2/html5/thumbnails/48.jpg)
= 18
18 ×18
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= 18324
![Page 50: BRING TEXTBOOK!!!lischwe.weebly.com/uploads/3/7/4/7/37473719/roots_day_1.pdfFinding exact square roots Estimating square roots Groups that aren’t done with their poster: YOU NEED](https://reader036.vdocument.in/reader036/viewer/2022063016/5fd62b66b58cfa0283039ff2/html5/thumbnails/50.jpg)
= 17289
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= 14196
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= 15225
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= 19361
![Page 54: BRING TEXTBOOK!!!lischwe.weebly.com/uploads/3/7/4/7/37473719/roots_day_1.pdfFinding exact square roots Estimating square roots Groups that aren’t done with their poster: YOU NEED](https://reader036.vdocument.in/reader036/viewer/2022063016/5fd62b66b58cfa0283039ff2/html5/thumbnails/54.jpg)
= 16256
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p.75 (1-4, 10, 16, 18-23)
No calculator. You MUST show your work on problems 2, 10, and 16.