# Spectrum Math Grade 5 Chapter 2 Lesson 9 Answer Key Rounding to the Nearest Whole Number

Practice with the help of Spectrum Math Grade 5 Answer Key Chapter 2 Lesson 2.9 Rounding to the Nearest Whole Number regularly and improve your accuracy in solving questions.

## Spectrum Math Grade 5 Chapter 2 Lesson 2.9 Rounding to the Nearest Whole Number Answers Key

Round 15.897 to the nearest whole number.
Look at the tenths digit. 15.897
8 is greater than or equal to 5, so round 5 to 6 in the ones place.

Round 234.054 to the nearest whole number.
Look at the tenths digit. 234.054
0 is less than 5, so keep the in the ones place.

Round each to the nearest whole number.

Question 1.
a. 6.421
_______
6

Explanation:
Round 6.421 to the nearest whole number.
Look at the tenths digit.
4 is less than 5, so keep the same number in the ones place.
Therefore, 6.421 is rounded to 6.

b. 5.882
_______
6

Explanation:
Round 5.882 to the nearest whole number.
Look at the tenths digit.
8 is greater than 5, so round 5 to 6 in the ones place.
Therefore, 5.882 is rounded to 6.

c. 19.235
_______
19

Explanation:
Round 19.235 to the nearest whole number.
Look at the tenths digit.
2 is less than 5, so keep the same number in the ones place.
Therefore, 19.235 is rounded to 19.

d. 2.371
_______
2

Explanation:
Round 2.371 to the nearest whole number.
Look at the tenths digit.
3 is less than 5, so keep the same number in the ones place.
Therefore, 2.371 is rounded to 2.

Question 2.
a. 45.288
_______
45

Explanation:
Round 45.288 to the nearest whole number.
Look at the tenths digit.
2 is less than 5, so keep the same number in the ones place.
Therefore, 45.288 is rounded to 45.

b. 97.5
_______
98

Explanation:
Round 97.5 to the nearest whole number.
Look at the tenths digit.
5 is greater than or equal to 5, so round 7 to 8 in the ones place.
Therefore, 97.5 is rounded to 98.

c. 12.003
_______
12

Explanation:
Round 12.003 to the nearest whole number.
Look at the tenths digit.
0 is less than 5, so keep the same number in the ones place.
Therefore, 12.003 is rounded to 12.

d. 72.71
_______
73

Explanation:
Round 72.71 to the nearest whole number.
Look at the tenths digit.
7 is greater than 5, so round 2 to 3 in the ones place.
Therefore, 72.71 is rounded to 73.

Question 3.
a. 13.936
_______
14

Explanation:
Round 13.936 to the nearest whole number.
Look at the tenths digit.
9 is greater than 5, so round 3 to 4 in the ones place.
Therefore, 13.936 is rounded to 14.

b. 8.42
_______
8

Explanation:
Round 8.42 to the nearest whole number.
Look at the tenths digit.
4 is less than 5, so keep the same number in the ones place.
Therefore, 8.42 is rounded to 8.

c. 1.100
_______
1

Explanation:
Round 1.100 to the nearest whole number.
Look at the tenths digit.
1 is less than 5, so there is no change of number in the ones place.
Therefore, 1.100 is rounded to 1.

d. 65.39
_______
65

Explanation:
Round 65.39 to the nearest whole number.
Look at the tenths digit.
3 is less than 5, so there is no change of number in the ones place.
Therefore, 65.39 is rounded to 65.

Question 4.
a. 98.55
_______
99

Explanation:
Round 98.55 to the nearest whole number.
Look at the tenths digit.
5 is greater than or equal to 5, so round 8 to 9 in the ones place.
Therefore, 98.55 is rounded to 99.

b. 269.57
_______
270

Explanation:
Round 269.57 to the nearest whole number.
Look at the tenths digit.
5 is greater than or equal to 5, so round 9 to 10 in the ones place.
Therefore, 269.57 is rounded to 270.

c. 14.369
_______
14

Explanation:
Round 14.369 to the nearest whole number.
Look at the tenths digit.
3 is less than 5, so there is no change of number in the ones place.
Therefore, 14.369 is rounded to 14.

d. 23.09
_______
23

Explanation:
Round 23.09 to the nearest whole number.
Look at the tenths digit.
0 is less than 5, so there is no change of number in the ones place.
Therefore, 23.09 is rounded to 23.

Question 5.
a. 95.645
_______
96

Explanation:
Round 95.645 to the nearest whole number.
Look at the tenths digit.
6 is greater than 5, so round 5 to 6 in the ones place.
Therefore, 95.645 is rounded to 96.

b. 8.67
_______
9

Explanation:
Round 8.67 to the nearest whole number.
Look at the tenths digit.
6 is greater than 5, so round 8 to 9 in the ones place.
Therefore, 8.67 is rounded to 9.

c. 99.198
_______
99

Explanation:
Round 99.198 to the nearest whole number.
Look at the tenths digit.
1 is less than 5, so there is no change of number in the ones place.
Therefore, 99.198 is rounded to 99.

d. 51.70
_______
52

Explanation:
Round 51.70 to the nearest whole number.
Look at the tenths digit.
7 is greater than 5, so round 1 to 2 in the ones place.
Therefore, 51.70 is rounded to 52.

Question 6.
a. 29.98
_______
30

Explanation:
Round 29.98 to the nearest whole number.
Look at the tenths digit.
9 is greater than 5, so round 9 to 10 in the ones place.
Therefore, 29.98 is rounded to 30.

b. 98.4
_______
98

Explanation:
Round 98.4 to the nearest whole number.
Look at the tenths digit.
4 is less than 5, so there is no change of number in the ones place.
Therefore, 98.4 is rounded to 98.

c. 33.333
_______
33

Explanation:
Round 33.333 to the nearest whole number.
Look at the tenths digit.
3 is less than 5, so there is no change of number in the ones place.
Therefore, 33.333 is rounded to 3.

d. 67.67
_______