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: