NEW
Font size
S
M
L
XL
WorksheetsAccuracy & Rounding Off
Total questions: 60
Worksheet time: 2hrs 34mins
Name
Class
Date
1.
There are 293 steps to the top of the Leaning Tower of Pisa in Italy. To the nearest hundred, about how many steps are there?
a)
200
b)
300
c)
290
d)
250
2.
Round to the nearest hundred:
149
149
a)
100
b)
200
c)
150
d)
140
3.
Round to the nearest ten:
752
752
a)
700
b)
800
c)
750
d)
760
4.
Tyler says 753 rounds to 800. Alexis says 753 rounds to 750. Who is correct?
a)
Tyler
b)
Alexis
c)
Both of them are right, it depends on whether you are rounding to the nearest ten or hundred
d)
Niether of them are right
5.
Which of the following numbers will NOT round to 400 when rounding to the nearest hundred?
a)
409
b)
445
c)
345
d)
398
6.
The Klines are taking a car trip. They will drive 365 miles to visit family members in Maine. To the nearest hundred, about how many miles will the Klines drive?
a)
300
b)
360
c)
370
d)
400
7.
Ms. Almy is 28 years old. How old is Ms. Almy rounded to the nearest 10?
a)
10
b)
20
c)
30
d)
999,999,999,999,999
8.
Round 1,457 to the nearest hundred.
a)
1,500
b)
1,450
c)
1,550
d)
1,600
9.
Round to the nearest ten:
1,456
1,456
a)
1,000
b)
1,400
c)
1,500
d)
1,460
10.
Round to the nearest hundred:
752
752
a)
700
b)
800
c)
750
d)
760
11.
What is 3,982 rounded to the nearest ten?
a)
3,990
b)
3,980
c)
4,000
d)
3,995
12.
Round 72,389 to the nearest hundred.
a)
72,000
b)
72,400
c)
72,300
d)
70,000
13.
What number is this?
7 tens, 9 ones and 2 hundreds
7 tens, 9 ones and 2 hundreds
a)
279
b)
792
c)
292
d)
297
14.
Round to the nearest hundred:
888
888
a)
900
b)
800
c)
880
d)
890
15.
What number is 5 tens 3 ones and 6 hundreds
a)
563
b)
653
c)
356
d)
365
16.
How many sig figs are there?
100.00
100.00
a)
1
b)
3
c)
4
d)
5
17.
How many sig figs are there?
4004
4004
a)
1
b)
2
c)
3
d)
4
18.
How many sig figs are there?
0.000008
0.000008
a)
1
b)
2
c)
6
d)
7
19.
How many sig figs are there?
0.00400
0.00400
a)
1
b)
3
c)
5
d)
6
20.
How many sig figs are there?
9009.00
9009.00
a)
2
b)
4
c)
5
d)
6
21.
How many sig figs are there?
0.0009009090000
0.0009009090000
a)
3
b)
10
c)
14
22.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
23.
How many significant figures does the following number have: 0.0079010
a)
1
b)
4
c)
5
d)
9
24.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
25.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
26.
Which of the following numbers has three significant figures?
a)
1014 miles
b)
101 feet
c)
1000 yards
d)
all of the choices
27.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
28.
How many significant figures does the following number have: 0.998005
a)
9
b)
10
c)
6
d)
5
29.
How many significant figures does the following number have: 100.00210
a)
7
b)
5
c)
10
d)
8
30.
Round 0.010229 to four significant figures
a)
1022
b)
1023
c)
0.01023
d)
0.01022
31.
How many significant figures are in the measurement 48032 m?
a)
5
b)
4
c)
3
d)
2
32.
Calculate 12.34 + 1.234 + 0.1234 and give your answer with the correct number of significant figures.
a)
13.6974
b)
13.697
c)
13.70
d)
13.7
33.
Calculate 7.987 m - 0.54 m and give your answer with the correct number of significant figures.
a)
7.45 m
b)
7.447 m
c)
7.4 m
d)
7.5 m
34.
Write 2.6470588 to 2 decimal places
a)
2.65
b)
2.74
c)
2.647
d)
2.657
35.
Round off the number 3.9762645 to 1 dp
a)
4.0
b)
3.9
c)
3.98
d)
4.01
36.
What is 5.79 rounded to 1 decimal place?
a)
5.8
b)
5.79
c)
6.0
d)
6.1
37.
Round 34.11789 to 3 decimal places.
a)
34.118
b)
34.1
c)
34.0
d)
34.1179
38.
Round 11.45771 to 1 decimal place.
a)
11.5
b)
11.4
c)
11.0
d)
11.6
39.
Round 0.0188508 to 4 decimal places
a)
0.0189
b)
0.0188
c)
0.0198
d)
0.0199
40.
You are given the digits 3, 4, 0, 7 and the decimal point. What is the largest number you can make using all the numbers and decimal point?
a)
743.0
b)
0.743
c)
473.0
d)
0.437
41.
You are given the digits 8, 9, 0, 7 and the decimal point. What is the smallest number you can make using all the numbers and decimal point?
a)
0.789
b)
7.89
c)
0.879
d)
0.689
42.
Five swimmers are entered into a competition. Four of the swimmers have had their turns. Their scores are 9.8 s, 9.75 s, 9.79 s, and 9.81 s. What score did the last swimmer get in order to win the competition?
a)
9.73
b)
9.78
c)
9.80
d)
9.79
43.
Round 46.786358 to 3 decimal places
a)
46.768
b)
46.786
c)
46.358
d)
46786
44.
Estimate 2.3x4.5
a)
11
b)
10
c)
10.35
d)
I don’t know
45.
Write 19 % as a fraction
a)
19/100
b)
20%
c)
19%
d)
19/10
46.
Round 235.67926 to 4 decimal places
a)
235.6792
b)
2356793
c)
235.6794
d)
235.6793
47.
25% as a decimal:
a)
0.25
b)
02.5
c)
25
d)
2500
48.
120% as a decimal:
a)
1.2
b)
12
c)
0.12
d)
120
49.
2% as a decimal:
a)
0.02
b)
0.2
c)
2
d)
20
50.
18% as a decimal:
a)
0.18
b)
18
c)
1.8
d)
0.81
51.
200% as a decimal:
a)
2
b)
20
c)
200
d)
0.2
52.
Change 0.384 to a percent.
a)
3.84%
b)
384%
c)
38.4%
d)
38.4
53.
Change 4% to a decimal.
a)
.04
b)
.004
c)
.4
d)
4
54.
What is 70% turned into a decimal?
a)
0.70
b)
7.0
c)
70.0
d)
.007
55.
Write 200% as a decimal.
a)
20,000
b)
2
c)
200
d)
.02
56.
Change .009 to a percent.
a)
0.9%
b)
0.09%
c)
9%
d)
9.00%
57.
Which answer below has an eight in the hundredths place?
a)
234.87
b)
845.05
c)
159.482
d)
264.278
58.
What is the standard form of four hundred, sixty-three and nineteen thousandths?
a)
463.19
b)
436.019
c)
463.0019
d)
463.019
59.
What is the value of the 7 in the number 245.97?
a)
7/100
b)
7/10
c)
7
d)
70
60.
What is the value of the 9 in the number 845.279?
a)
9/10
b)
9,000
c)
9/1,000
d)
9/100
Reset
