Error Intervals
Authored by George Rew
Mathematics
8th - 9th Grade
Used 7+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the upper bound and lower bound of 390 grams, measured to the nearest 10 grams?
395 and 385
390.5 and 389.5
400 and 300
400 and 350
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number 79 has been rounded to the nearest unit. Find its lower and upper bounds
78.5 ≤ 79 <79.5
78 ≤ 79 <80
78.4 ≤ 79 <79.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number 10 has been rounded to the nearest whole number. Find its lower and upper bounds
9 ≤ 10 < 10
9.5 ≤ 10 < 10.5
9 ≤ 10 < 11
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number 1000 has been rounded to the nearest 100. Find its lower and upper bounds
950 ≤ 1000 < 1050
950 ≤ 1000 < 1050.1
950 ≤ 1000 < 1051
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number 51.2 has been rounded to the nearest 1 decimal place. Find its lower and upper bound
51.1 ≤ 51.2 < 51.2
51.15 ≤ 51.2 < 51.25
51 ≤ 51 < 51
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The following number has been rounded to the nearest 100...
800
Find the lower bound...
850
750
849
749
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The following number has been rounded to 1 decimal place.
0.8
Find the lower bound...
0.85
0.75
0.849
0.749
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