Test: Arithmetic I - Ambitious

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Question 1:   Which of the following sets of numbers consists only from whole numbers?
−1,2,7,9,12
0,13,18,1,7
2 ,0,5,8,13
1.1,2,3.3,4,5
Question 2:   Which of the following sets of numbers consists only from natural numbers?
0,1,2,3,4
−2,−1,1,2,3
6,9,1,12,98
5.7,2,9,12,16
Question 3:   Which of the following sets of numbers consists only from integers?
1.21,0,−34,15,−3
−1,2,π,8,−11,0
−3,−2,−1,0,1, 4
−18,2,3,17,−1.6
Question 4:   Arrange the following set of numbers in order of size from the largest to the smallest: −25,30,27,−31,5,17,−12
30,27,17,5,−12,−25,−31
−31,−25,−12,5,17,27,30
30,27,17,5,−31,−25,−12
−31,30,27,−25,17,−12,5
Question 5:   Arrange the following set of numbers in order of size from the smallest to the largest: −25,30,27,−31,5,17,−12
5,−12,17,−25,27,30,−31
30,27,17,5,−12,−25,−31
−12,−25,−31,5,17,27,30
−31,−25,−12,5,17,27,30
Question 6:   Round 59 to the nearest ten
50
60
55
100
Question 7:   Round 857 to the nearest hundred
860
1000
800
900
Question 8:   Round 621 to the nearest hundred
600
650
700
620
Question 9:   Round 43 to the nearest ten
50
40
0
100
Question 10:   Round 1921 to the nearest thousand
1000
2000
1920
1900