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