lesson 6-1 pages 240-243 estimating with fractions
DESCRIPTION
Compatible numbersTRANSCRIPT
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Lesson 6-1 Pages 240-243
Estimating with Fractions
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What you will learn!
How to estimate sums, differences, products, and quotients of fractions and
mixed numbers.
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Compatible numbersCompatible numbers
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What you really need to know!
For mixed numbers, round to the nearest
whole number.
For fractions, round to 0,1/2 or 1.
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What you really need to know!
Use compatible numbers when
working with different forms of numbers.
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Example 1:
853
415
Estimate:
5 + 4 = 9
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Example 2:
871 x
437Estimate:
8 x 2 =16
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Example 3:
74
31
Estimate:
121
21
0 1
210 1
21
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Example 4:
41
85
Estimate:
210
21
0 1210 1
21
0 121
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Example 5:
53
65
Estimate:
211
12
11 2
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Example 6:
21 x 43Estimate:
121 x
43 = 15
20
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Example 7:
523
9815 Estimate:
3 16 4 4
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Page 242
Guided Practice
#’s 4-10
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Pages 240-242 with someone at home and study
examples!
Read:
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Homework: Page 243
#’s 12-30 even
#’s 37, 38, 40-50
Lesson Check 6-1
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Page
577
Lesson 6-1
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Lesson Check 6-1
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Pages 240-242 right now and study
examples!
Read: