100-200
What number is right in the middle of 100-200
150
1+3
4
3-2
1
+4=7
3
What number is in the middle 100-160
130
4+2
6
10-6
4
-2=0
2
What is 120+130
150
12+3
15
12-7
5
+7=20
13
what is 134+234
386
20+33
53
20-14
6
-9=7
2
What is 100 rounded to the nearest 10
110
100+48
148
23-13
10
-14=7
7