Estimating the Size of a Quotient

What is the best way to change these numbers to make them FRIENDLY for estimation?

• 2700 ÷ 30

• 2000 ÷ 30

• 3000 ÷ 33

• 2700 ÷ 33

What is the best way to change these numbers to make them FRIENDLY for estimation?

• 5800 ÷ 60

• 5800 ÷ 62

• 5400 ÷ 60

• 6000 ÷ 62

What is the best way to change these numbers to make them FRIENDLY for estimation?

• 4000 ÷ 21

• 4000 ÷ 20

• 4200 ÷ 22

• 4250 ÷ 20

What is the best way to change these numbers to make them FRIENDLY for estimation?

• 7200 ÷ 81

• 7200 ÷ 80

• 7300 ÷ 81

• 7300 ÷ 80

What is the best way to change these numbers to make them FRIENDLY for estimation?

• 800 ÷ 9

• 840 ÷ 9

• 810 ÷ 9

• 830 ÷ 9

What is the best way to change these numbers to make them FRIENDLY for estimation?

• 490 ÷ 7

• 500 ÷ 7

• 480 ÷ 7

• 450 ÷ 7

What is the best way to change these numbers to make them FRIENDLY for estimation?

• 630 ÷ 8

• 640 ÷ 8

• 610 ÷ 8

• 600 ÷ 8

What is the best way to change these numbers to make them FRIENDLY for estimation?

• 680 ÷ 10

• 680 ÷ 9

• 670 ÷ 9

• 690 ÷ 9

What is the best way to change these numbers to make them FRIENDLY for estimation?

• 360 ÷ 4

• 350 ÷ 4

• 340 ÷ 4

• 300 ÷ 4

What is the best way to change these numbers to make them FRIENDLY for estimation?

• 660 ÷ 6

• 650 ÷ 6

• 640 ÷ 6

• 700 ÷ 6