4-2 Estimating Quotients

Mrs. Wagner wants to estimate  $31\ \div\ 8.$  What is the best way to estimate using compatible numbers?

•  $30\ \div\ 8$  

•  $40\ \div\ 8$  

•  $42\ \div\ 8$  

•  $32\ \div\ 8$  

Tags

CCSS.4.NBT.B.6

Mrs. Owens wants to estimate the quotient of  $272\ \div\ 3$ . How can we estimate by rounding?

•  $200\ \div\ 3$  

•  $250\ \div\ 3$  

•  $300\ \div\ 3$  

•  $400\ \div\ 0$  

Tags

CCSS.5.NBT.B.7

Use multiplication to help you estimate  $79\ \div\ 7$ . Which equation will get you to a number closest to 79?

• 7 x 12

• 7 x 11

• 7 x 13

• 7 x 9

Tags

CCSS.4.NBT.B.6

Estimate the quotient for  $373\ \div\ 4$ . Use any strategy (rounding, compatible numbers, or multiplication). 

(a)  

Tags

CCSS.5.NBT.B.7

Estimate the quotient for  $490\ \div\ 6$ by using compatible numbers.

(a)  

Tags

CCSS.4.NBT.B.6

Estimate the quotient for  $340\ \div\ 5$ . Use any strategy (rounding, compatible numbers, or multiplication). 

(a)  

Tags

CCSS.5.NBT.B.7

Check the equations we can use to help us estimate  $860\div9.$  

•  $86\div9$  

•  $81\div9$  

•  $90\div9$  

•  $80\div9$  

Tags

CCSS.4.NBT.B.6

Use multiplication to help you estimate  $25\ \div\ 3$ . Which equation will get you to a number closest to 25?

• 3 x 6

• 3 x 5

• 3 x 10

• 3 x 8

Tags

CCSS.4.NBT.B.6

What is the best way to estimate  $46\ \div\ 9$ using compatible numbers?

•  $45\ \div\ 9$  

•  $50\ \div\ 9$  

•  $46\ \times\ 9$  

•  $46\ \div\ 9$  

Tags

CCSS.4.NBT.B.6

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

•  $700\ \div\ 8$  

•  $900\ \div\ 8$  

•  $850\ \div\ 8$  

•  $800\ \div\ 8$  

Tags

CCSS.5.NBT.A.4

CCSS.5.NBT.B.6