McGraw Hill Math Grade 7 Lesson 12.5 Answer Key Estimating Decimal Quotients

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McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients

Exercises Estimate

Use the estimating method from Example 1 to complete questions 1-8.

Question 1.
313.2 ÷ 3.322 =
Answer:
313.2 ÷ 3.322 = 94.280.

Explanation:
The quoitent of 313.2 ÷ 3.322 is 94.280
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 1-1$

Question 2.
10.71 ÷ 2.31 =
Answer:
10.71 ÷ 2.31 = 4.636.

Explanation:
The quoitent of 10.71 ÷ 2.31 is 4.636.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 2-1$

Question 3.
33.3 ÷ 21.2 =
Answer:
33.3 ÷ 21.2 = 1.570.

Explanation:
The quoitent of 33.3 ÷ 21.2 is 1.570.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 3-1$

Question 4.
33.67 ÷ .837 =
Answer:
33.67 ÷ .837 = 40.227.

Explanation:
The quoitent of 33.67 ÷ .837 is 40.227.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 4-1$

Question 5.
631.23 ÷ 1.61 =
Answer:
631.23 ÷ 1.61 = 392.068.

Explanation:
The quoitent of 631.23 ÷ 1.61 is 392.068.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 5-1$

Question 6.
2.87 ÷ 130 =
Answer:
2.87 ÷ 130 = 0.022.

Explanation:
The quoitent of 2.87 ÷ 130 is 0.022.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 6-1$

Question 7.
7.3 ÷ 2.31 =
Answer:
7.3 ÷ 2.31 = 3.160.

Explanation:
The quoitent of 7.3 ÷ 2.31 is 3.160.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 7-1$

Question 8.
111.131 ÷ 5.23 =
Answer:
111.131 ÷ 5.23 = 21.248.

Explanation:
The quoitent of 111.131 ÷ 5.23 is 21.248.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 8-1$

Use the estimating method from Example 2 to complete questions 9-17.

Question 9.
13.7123 ÷ 4.38 =
Answer:
13.7123 ÷ 4.38 = 3.130.

Explanation:
The quoitent of 13.7123 ÷ 4.38 is 3.130.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 9-1$

Question 10.
37.23 ÷ 8.12 =
Answer:
37.23 ÷ 8.12 = 4.585.

Explanation:
The quoitent of 37.23 ÷ 8.12 is 4.585.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 10-1$

Question 11.
12.67 ÷ 1.86383 =
Answer:
12.67 ÷ 1.86383 = 6.797.

Explanation:
The quoitent of 12.67 ÷ 1.86383 is 6.797.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 11-1$

Question 12.
211.111 ÷ 8.2311 =
Answer:
211.111 ÷ 8.2311 = 25.647.

Explanation:
The quoitent of 211.111 ÷ 8.2311 is 25.647.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 12-1$

Question 13.
43.31 ÷ 2.30001 =
Answer:
43.31 ÷ 2.30001 = 18.830.

Explanation:
The quoitent of 43.31 ÷ 2.30001 is 18.830.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 13-1$

Question 14.
71.36 ÷ 3.33 =
Answer:
71.36 ÷ 3.33 = 21.429.

Explanation:
The quoitent of 71.36 ÷ 3.33 is 21.429.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 14-1$

Question 15.
66.2882 ÷ 10.101 =.
Answer:
66.2882 ÷ 10.101 = 6.562.

Explanation:
The quoitent of 66.2882 ÷ 10.101 is 6.562.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 15-1$

Question 16.
87.23 ÷ 9.1101 =
Answer:
87.23 ÷ 9.1101 = 9.575.

Explanation:
The quoitent of 87.23 ÷ 9.1101 is 9.575.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 16-1$

Question 17.
78.3 ÷ 4.20101 =
Answer:
78.3 ÷ 4.20101 = 18.638.

Explanation:
The quoitent of 78.3 ÷ 4.20101 is 18.638.
$McGraw-Hill Math Grade 7 Answer Key Lesson 12.5 Estimating Decimal Quotients 17-1$