Practice with the help of Spectrum Math Grade 5 Answer Key Chapter 2 Lesson 2.10 Rounding Decimals regularly and improve your accuracy in solving questions.
Spectrum Math Grade 5 Chapter 2 Lesson 2.10 Rounding Decimals Answers Key
Round 2. 137 to the nearest tenth.
Look at the hundredths digit. 2.137
3 is less than 5, so keep the 1 in the tenths place.
2.1
Round 8.447 to the nearest hundredth.
Look at the thousandths digit. 8.447
7 is greater than or equal to 5, so round 4 to 5 in the hundredths place.
8.45
Round each number to the nearest tenth.
Question 1.
a. 7.322
__________
Answer:
7.3
Explanation:
Round 7.322 to the nearest tenth.
Look at the hundredths digit.
2 is less than 5, so keep the 3 in the tenths place.
Therefore, 7.322 is rounded to the nearest tenth as 7.3
b. 1.156
__________
Answer:
1.2
Explanation:
Round 1.156 to the nearest tenth.
Look at the hundredths digit.
5 is greater than or equal to 5, so round 1 to 2 in the tenths place.
Therefore, 1.156 is rounded to the nearest tenth as 1.2
c. 3.770
__________
Answer:
3.8
Explanation:
Round 3.770 to the nearest tenth.
Look at the hundredths digit.
7 is greater than 5, so round 7 to 8 in the tenths place.
Therefore, 3.770 is rounded to the nearest tenth as 3.8
d. 6.923
__________
Answer:
6.9
Explanation:
Round 6.923 to the nearest tenth.
Look at the hundredths digit.
2 is less than 5, so keep the 9 in the tenths place.
Therefore, 6.923 is rounded to the nearest tenth as 6.9
Question 2.
a. 7.953
__________
Answer:
8.0
Explanation:
Round 7.953 to the nearest tenth.
Look at the hundredths digit.
5 is greater than or equal to 5, so round 9 to 10 in the tenths place.
Therefore, 7.953 is rounded to the nearest tenth as 8.0
b. 4.438
__________
Answer:
4.4
Explanation:
Round 4.438 to the nearest tenth.
Look at the hundredths digit.
3 is less than 5, so keep the 4 in the tenths place.
Therefore, 4.438 is rounded to the nearest tenth as 4.4
c. 5.299
__________
Answer:
5.3
Explanation:
Round 5.299 to the nearest tenth.
Look at the hundredths digit.
9 is greater than 5, so round 9 to 10 in the tenths place.
Therefore, 5.299 is rounded to the nearest tenth as 5.3
d. 8.171
__________
Answer:
8.2
Question 3.
a. 4.734
Answer:
4.7
Explanation:
Round 4.734 to the nearest tenth.
Look at the hundredths digit.
3 is less than 5, so keep the 7 in the tenths place.
Therefore, 4.734 is rounded to the nearest tenth as 4.7
b. 5.629
Answer:
5.6
Explanation:
Round 5.629 to the nearest tenth.
Look at the hundredths digit.
2 is less than 5, so keep the 6 in the tenths place.
Therefore, 5.629 is rounded to the nearest tenth as 5.6
c. 0.138
Answer:
0.1
Explanation:
Round 0.138 to the nearest tenth.
Look at the hundredths digit.
3 is less than 5, so keep the 1 in the tenths place.
Therefore, 0.138 is rounded to the nearest tenth as 0.1
d. 9.818
Answer:
9.8
Explanation:
Round 9.818 to the nearest tenth.
Look at the hundredths digit.
1 is less than 5, so keep the 8 in the tenths place.
Therefore, 9.818 is rounded to the nearest tenth as 9.8
Round each number to the nearest hundredth.
Question 4.
a. 5.872
Answer:
5.87
Explanation:
Round 5.872 to the nearest hundredth.
Look at the thousandths digit.
2 is less than 5, so keep the 7 in the hundredths place.
Therefore, 5.872 is rounded to the nearest hundredth as 5.87.
b. 2.212
Answer:
2.21
Explanation:
Round 2.212 to the nearest hundredth.
Look at the thousandths digit.
2 is less than 5, so keep 1 in the hundredths place.
Therefore, 2.212 is rounded to the nearest hundredth as 2.21.
c. 6.447
Answer:
6.45
Explanation:
Round 6.447 to the nearest hundredth.
Look at the thousandths digit.
7 is greater than 5, so round 4 to 5 in the hundredths place.
Therefore, 6.447 is rounded to the nearest hundredths as 6.45.
d. 1.735
Answer:
1.74
Explanation:
Round 1.735 to the nearest hundredth.
Look at the thousandths digit.
5 is greater than or equal to 5, so round 3 to 4 in the hundredths place.
Therefore, 1.735 is rounded to the nearest hundredths as 1.74.
Question 5.
a. 4.397
Answer:
4.40
Explanation:
Round 4.397 to the nearest hundredth.
Look at the thousandths digit.
7 is greater than 5, so round 9 to 10 in the hundredths place.
Therefore, 4.397 is rounded to the nearest hundredths as 4.40.
b. 4.442
Answer:
4.44
Explanation:
Round 4.442 to the nearest hundredth.
Look at the thousandths digit.
2 is less than 5, so keep the 4 in the hundredths place.
Therefore, 4.442 is rounded to the nearest hundredth as 4.442.
c. 9.161
Answer:
9.16
Explanation:
Round 9.161 to the nearest hundredth.
Look at the thousandths digit.
1 is less than 5, so keep the 6 in the hundredths place.
Therefore, 9.161 is rounded to the nearest hundredth as 9.16.
d. 3.476
Answer:
3.48
Explanation:
Round 3.476 to the nearest hundredth.
Look at the thousandths digit.
6 is greater than 5, so round 7 to 8 in the hundredths place.
Therefore, 3.476 is rounded to the nearest hundredths as 3.48.
Question 6.
a. 5.849
Answer:
5.85
Explanation:
Round 5.849 to the nearest hundredth.
Look at the thousandths digit.
9 is greater than 5, so round 4 to 5 in the hundredths place.
Therefore, 5.849 is rounded to the nearest hundredths as 5.85.
b. 4.484
Answer:
4.48
Explanation:
Round 4.484 to the nearest hundredth.
Look at the thousandths digit.
4 is less than 5, so keep the 8 in the hundredths place.
Therefore, 4.484 is rounded to the nearest hundredth as 4.48.
c. 0.987
Answer:
0.99
Explanation:
Round 0.987 to the nearest hundredth.
Look at the thousandths digit.
7 is greater than 5, so round 8 to 9 in the hundredths place.
Therefore, 0.987 is rounded to the nearest hundredths as 0.99.
d. 0.155
Answer:
0.16
Explanation:
Round 0.155 to the nearest hundredth.
Look at the thousandths digit.
5 is greater than or equal to 5, so round 5 to 6 in the hundredths place.
Therefore, 0.155 is rounded to the nearest hundredths as 0.16.