When zero is subtracted from a number, the answer is ____________?
1
0
The number itself
None of these
Round 34 to the nearest 10.
30
35
40
45
Round 786 to the nearest 100.
700
750
790
800
The property used in 41 × 23 = 23 × 41 is.
Closure
Commutative
Associative
Distributive
Round 2311 to the nearest 1000.
2400
3000
2000
2300
Combining two or more numbers together is called __________.
Addends
Addition
Subtraction
Division
Round 67 to the nearest 10.
60
70
80
85
Rearrange and add 25 + 8 + 25 + 92.
120
130
140
150
A number remains unchanged when _________ is added to a number.
2
2508 × ____ = 2508
2508
10
