Practice the questions of McGraw Hill Math Grade 8 Answer Key PDF Lesson 7.1 Place Value and Rounding to secure good marks & knowledge in the exams.
McGraw-Hill Math Grade 8 Answer Key Lesson 7.1 Place Value and Rounding
Exercises
ROUND
Round to the nearest whole number.
Question 1.
48.6
Answer:
49
Explanation:
If the digit in tenth place is greater than 5 add 1 to the nearest whole number.
So, 48.6 is rounded to nearest whole number 49.
Question 2.
98.3
Answer:
98
Explanation:
If the digit in tenth place is less than 5 round down and keep the nearest whole number.
So, 98.3 is rounded to nearest whole number 98.
Question 3.
156.67
Answer:
157
Explanation:
If the digit in hundredth place is greater than 5 add 1 to the nearest whole number.
So, 156.67 is rounded to nearest whole number 157.
Question 4.
3026.92
Answer:
3027
Explanation:
If the digit in hundredth place is greater than 5 add 1 to the nearest whole number.
So, 3026.92 is rounded to nearest whole number 3027.
Question 5.
189.41233
Answer:
189
Explanation:
If the digit in tenth place is less than 5 round down and keep the nearest whole number.
So, 189.41233 is rounded to nearest whole number 189.
Question 6.
2244.66795
Answer:
2245
Explanation:
If the digit in tenth place is greater than 5 add 1 to the nearest whole number.
So, 2244.66795 is rounded to nearest whole number 2245.
Question 7.
279.99556
Answer:
280
Explanation:
If the digit in tenth place is greater than 5 add 1 to the nearest whole number.
So, 279.99556 is rounded to nearest whole number 279.99556.
Question 8.
428.5
Answer:
429
Explanation:
If the digit in tenth place is greater than 5 add 1 to the nearest whole number.
So, 428.5 is rounded to nearest whole number 4285.
Round to the nearest tenth.
Question 9.
124.5755
Answer:
124.6
Explanation:
If the digit in hundredth place is greater than 5 add 1 to the nearest tenth place.
So, 124.5755 is rounded to nearest tenth place 124.6
Question 10.
175.5133
Answer:
175.5
Explanation:
If the digit in hundredth place is less then 5 round down to the tenth place.
So, 175.5133 is rounded to nearest tenth place 175.5
Question 11.
349.49888
Answer:
349.5
Explanation:
If the digit in hundredth place is greater than 5 add 1 to the nearest tenth place.
So, 349.49888 is rounded to nearest tenth place 349.5
Question 12.
313.35664
Answer:
313.4
Explanation:
If the digit in hundredth place is greater than 5 add 1 to the nearest tenth place.
So, 313.35664 is rounded to nearest tenth place 313.4
Question 13.
375.77454
Answer:
375.8
Explanation:
If the digit in hundredth place is greater than 5 add 1 to the nearest tenth place.
So, 375.77454 is rounded to nearest tenth place 375.8
Question 14.
44.00913
Answer:
44.0
Explanation:
If the digit in hundredth place is less than 5 round down to the nearest tenth place.
So, 44.009133 is rounded to nearest tenth place 44.0
Question 15.
566.9943
Answer:
567.0
Explanation:
If the digit in hundredth place is greater than 5 add 1 to the nearest tenth place.
So, 566.9943 is rounded to nearest tenth place 567.0
Question 16.
61.15
Answer:
61.2
Explanation:
If the digit in hundredth place is greater than 5 round down to the nearest tenth place.
So, 61.15 is rounded to nearest tenth place 61.2
Round to the nearest hundredth.
Question 17.
1536.3357
Answer:
1536.34
Explanation:
If the digit in thousandth place is greater than 5 add 1 to the nearest hundredth place.
So, 1536.3357 is rounded to nearest hundredth place 1536.34
Question 18.
32.4589
Answer:
32.46
Explanation:
If the digit in thousandth place is greater than 5 add 1 to the nearest hundredth place.
So, 32.4589 is rounded to nearest hundredth place 32.46
Question 19.
118.9977
Answer:
119.00
Explanation:
If the digit in thousandth place is greater than 5 add 1 to the nearest hundredth place.
So, 118.9977 is rounded to nearest hundredth place 119.00
Question 20.
523.75776
Answer:
523.76
Explanation:
If the digit in thousandth place is greater than 5 add 1 to the nearest hundredth place.
So, 523.75776 is rounded to nearest hundredth place 523.76
Question 21.
1099.989877
Answer:
1099.99
Explanation:
If the digit in thousandth place is greater than 5 add 1 to the nearest hundredth place.
So, 1099.989877 is rounded to nearest hundredth place 1099.99
Question 22.
1.11881
Answer:
1.12
Explanation:
If the digit in thousandth place is greater than 5 add 1 to the nearest hundredth place.
So, 1.11881 is rounded to nearest hundredth place 1.12
Question 23.
33.43718
Answer:
33.44
Explanation:
If the digit in thousandth place is greater than 5 add 1 to the nearest hundredth place.
So, 33.43718 is rounded to nearest hundredth place 33.44
Question 24.
555.555
Answer:
555.56
Explanation:
If the digit in thousandth place is greater than 5 add 1 to the nearest hundredth place.
So, 555.555 is rounded to nearest hundredth place 555.56
Round to the nearest thousandth.
Question 25.
729.239788
Answer:
729.240
Explanation:
If the digit in ten thousandth place is greater than 5 add 1 to the nearest thousandth place.
So, 729.239788 is rounded to nearest thousandth place 729.240
Question 26.
409.13391
Answer:
409.134
Explanation:
If the digit in ten thousandth place is less than 5 round down to the nearest thousandth place.
So, 409.133391 is rounded to nearest thousandth place 409.134
Question 27.
8056.708035
Answer:
8056.709
Explanation:
If the digit in ten thousandth place is greater than 5 add 1 to the nearest thousandth place.
So, 8056.708035 is rounded to nearest thousandth place 8056.709
Question 28.
549.594959
Answer:
549.595
Explanation:
If the digit in ten thousandth place is greater than 5 add 1 to the nearest thousandth place.
So, 549.594959 is rounded to nearest thousandth place 549.595
Question 29.
99.80007
Answer:
99.800
Explanation:
If the digit in ten thousandth place is less than 5 round down to the nearest thousandth place.
So, 99.80007 is rounded to nearest thousandth place 99.800
Question 30.
177.555901
Answer:
177.556
Explanation:
If the digit in ten thousandth place is greater than 5 add 1 to the nearest thousandth place.
So, 177.555901 is rounded to nearest thousandth place 177.556
Question 31.
2012.20507
Answer:
2012.205
Explanation:
If the digit in ten thousandth place is less than 5 round down to the nearest thousandth place.
So, 2012.20507 is rounded to nearest thousandth place 2012.205
Question 32.
901.901445
Answer:
901.901
Explanation:
If the digit in ten thousandth place is less than 5 round down to the nearest thousandth place.
So, 901.901445 is rounded to nearest thousandth place 901.901