Estimating Quotients & Dividing by 10 and 100

Estimate the quotient: 297 ÷ 3 =

• 100

• 50

• 200

Tags

CCSS.5.NBT.B.7

 $552\div9$  

Use multiplication facts and compatible numbers to help estimate the quotient.

• 40

• 50

• 60

Tags

CCSS.4.NBT.B.6

 $776\div4$  

Use multiplication facts and compatible numbers to help estimate the quotient.

• 200

• 100

• 300

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

 $281\div3$  

Use multiplication facts and compatible numbers to help estimate the quotient.

• 70

• 80

• 90

Tags

CCSS.4.NBT.B.6

 $779\div7$  

Use multiplication facts and compatible numbers to help estimate the quotient.

• 110

• 120

• 130

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

Laura’s dog eats 1 bag of dog food every 6 days. About how many bags will he eat in 1 year? Hint:There are 365 days in 1 year. (use multiplication facts to help estimate the quotient.)

• 50 bags

• 70 bags

• 60 bags

Tags

CCSS.5.NBT.B.7

Eight students can fit at one cafeteria table. About how many tables are needed for 231 students?

• 30 tables

• 40 tables

• 10 tables

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

• 800 ÷ 9

• 840 ÷ 9

• 810 ÷ 9

Estimate the quotient using compatible numbers. 488 ÷ 68

• 9

• 7

• 70

Tags

CCSS.4.NBT.B.6

What is the best way to estimate $810\ \div\ 8$ by rounding?

•  $700\ \div\ 8$  

•  $900\ \div\ 8$  

•  $800\ \div\ 8$