1 Less
What is one less than 18?
17
What is one more than 21?
22
What is 10 less than 10?
0
What is 10 more than 17?
27
What is 123+10?
133
What is one less than 78?
77
What is one more than 46?
47
What is 10 less than 76?
66
What is 10 more than 65?
75
What is 568+100?
What is one less than 90?
89
What is one more than 45?
46
What is 10 less than 100?
What is 10 more than 546?
556
What is 768+200?
968
What is one less than 124?
123
What is one more than 876?
877
What is 10 less than 658?
648
What is 10 more 870?
880
What is 400+507?
907
What is one less than 567?
566
What is one more than 998?
999
What is 10 less than 978?
968
What is 10 more than 953?
963
What is 967+100?
1067