The worksheet on rounding decimals would be really good for the students to practice huge number of questions related to round a decimal.
This worksheet include questions related round decimals to the nearest whole number; round decimals to the nearest tenth; round decimals to the nearest hundredth and round decimals to the nearest thousandth.
1. Round off each of the following to the nearest whole number.
(a) 8.71
(b) 26.01
(c) 69.48
(d) 103.72
(e) 49.84
(f) 101.35
(g) 39.814
(h) 1.23
2. Round off the decimal:
(a) 3.153 to the nearest tenths
(b) 10.126 to the nearest hundredths
(c) 5.0014 to the nearest thousandths
(d) 5.992 to the nearest tenths
(e) 21.805 to the nearest hundredths
(f) 3.1089 to the nearest thousandths
3. Find the value of
(a) 23.37 correct to 1 decimal place
(b) 1.2003 correct to 3 decimal places
(c) 7.755 correct to 2 decimal places
(d) 9.99 correct to 1 decimal place
(e) 101.2345 correct to 3 decimal places
(f) 121.513 correct to 2 decimal places
(g) 1.00203 correct to 4 decimal places
(h) 301.081 correct to 2 decimal places
(i) 0.3446 correct to 3 decimal places
(j) 10.947 correct to 1 decimal place
4. Find the number of significant digits in the following.
(a) 5.60
(b) 0.09
(c) 80.80
(d) 9.03
(e) 101
(f) 70.3
(g) 0.304
(h) 0.05010
Word problems involving place value of decimals
5. What is the nearest whole number of 13.607?
6. What is the place value to the nearest tenths of 3.105?
7. What is the place value to the nearest hundredths of 41.252?
8. What is the place value to the nearest thousandths of 56.3009?
9. What is the place value to the nearest whole number of 9.57?
Answers for the worksheet on rounding decimals are given below to check the exact answers of the above problems related to round off the place value of decimals.
Answers:
1. (a) 9
(b) 26
(c) 69
(d) 104
(e) 50
(f) 101
(g) 40
(h) 1
2. (a) 3.2
(b) 10.13
(c) 5.001
(d) 6
(e) 21.81
(f) 3.109
3. (a) 23.4
(b) 1.200
(c) 7.76
(d) 10.0
(e) 101.235
(f) 121.51
(g) 1.0020
(h) 301.08
(i) 0.345
(j) 10.9
4. (a) 3
(b) 1
(c) 4
(d) 3
(e) 3
(f) 3
(g) 3
(h) 4
5. 14
6. 3.1
7. 41.25
8. 56.301
9. 10
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