what is a integer?
An integer is a number with no decimimal or fractional part from the set of negative or positive numbers including zero.
what does the 5 represent in 350?
5 tens
6[2+18-9+[3x4]
200
round 76 to the nearest 10
80
write in the missing number 4,5,6_
7
what is directed number?
directed number are numbers with both size and direction one direction is positive and the other is negative
what does the 6 represent in 78644
600
5+[3x[35divited by 7]
20
round 27 to the nearest 10
30
write the missing number 64,67,_
70
[-5]+[-17]
-22
what does the 2 represent in 106281
200
8[5+15]-[7+13]
300
round 421 to the nearest 10
420
write in the next number 7,20 ,47 ,_
94
[-5]+[10]
-15
what does the 9 represent in 7891234
90000 or ten thousands
3[9+14-81divited by 9]
42
round 752 to the nearest 100
800
write in the next number 66, 69 __
72
-13+-12
-25
what does the 7 represent in 7891324
7000000
-12divited by[-4]x[144divited by [15-3]
36
round 954 to the nearest 100
1000
write in the next number 11, 23,48__
99