Count forwards and backwards by tens, on and off the decade, with two- and three-digit numbers, eg 40, 30, 20, ... (on the decade); 427, 437, 447, ... (off the decade)

1.		10 less, 10 more than 40
2.		Which number is 10 more than 18?
3.		Which number is 10 more than 20?
4.		Which number is 10 more than 2?
5.		Which number is 10 more than 18?
6.		Which number is 10 more than 11?
7.		Which number is 10 less than 22?
8.		Which number is 10 more than 89?
9.		Which number is 10 more than 27?
10.		Which number is 10 more than 62?
11.		Which number is 10 less than 45?
12.		Which number is 10 less than 23?
13.		Which number is 10 less than 76?
14.		10 less, 10 more than 10
15.		10 less, 10 more than 20
16.		10 less, 10 more than 30
17.		10 less, 10 more than 40
18.		10 less, 10 more than 50
19.		10 less, 10 more than 60
20.		10 less, 10 more than 38
21.		10 less, 10 more than 24
22.		100 Grid: Start at 63. Add 1 ten
23.		100 Grid: Start at 73. Add 10
24.		100 Grid: Start at 35. Add 10
25.		100 Grid: Start at 56. Add 10
26.		100 Grid: Start at 83. Add 10
27.		100 Grid: Start at 34. Add 10
28.		Which number is 10 less than 30?
29.		Which number is 10 less than 10?
30.		Which number is 10 less than 40?
31.		Which number is 10 less than 80?
32.		Which number is 10 less than 60?
33.		Which number is 10 less than 90?
34.		Which number is 10 less than 100?
35.		Which number is 10 less than 70?
36.		What Comes Next? - 10 less than 12
37.		What Comes Next? - 10 more than 13
38.		What Comes Next? - 10 more than 12