Estimate Decimal Quotients

Estimate to find the answer.

22.5 ÷ 3

• 7

• 3

• 10

• 15

Estimate to find the answer.

15.66 ÷ 9.3

• 1

• 2

• 5

• 7

Estimate to find the answer.

156.3 ÷ 14.5

• 30

• 15

• 45

• 10

Is 100 a reasonable estimate for 915.25 ÷ 88.22?

• yes

• no

Elena wants to estimate 197.6 ÷ 5.48. Which number sentence shows the best way to estimate this quotient?

• 100 ÷ 5 = 20

• 100 ÷ 10 = 10

• 200 ÷ 5 = 40

• 200 ÷ 10 = 20

Estimate 64.5 ÷ 12.3 using rounding.

• 65 ÷ 10

• 70 ÷ 15

• 60 ÷ 15

• 50 ÷ 15

Marco scored a total of 34.42 points in 5 gymnastic events. Which equation shows the best way to estimate Marco's score for each event?

• 35 ÷ 5 = 7

• 35 ÷ 7 = 5

• 30 ÷ 10 = 3

• 40 ÷ 10 =4

Connor cuts a board with a length of 78.5 centimeters into four equal pieces. Which is the best estimate for the length of each piece?

• 2 cm

• 5 cm

• 20 cm

• 25 cm

Estimate 11.75 ÷ 3

• 3

• 4

• 5

• 6

12.3 ÷ 100

• 0.123

• 1.23

• 12.3

• 123