Next 5 #'s
3, 6, 9, ___, 15, 18
What is the missing number and what is the rule?
12
add 3
3, 8, 13, 18, 23
Start at 3 then add 5
2, 23, 13, 33, ___, 43, 33
What is the missing number and what is the rule?
23
add 20, take 10
17, 27, 37, 47, 57
Start at 17 then add 10 each time
Start at 1. Add 1. Increase the number you add by 1 each time.
What is 1, 2, 4, 7, 11
99, 98, 198, 197, ____, 296, 396
What is the missing number and what is the rule?
297
take 1, add 100
1, 2 ,4 ,5 ,7, 8
Start at 1. alternately add 1, then add 2
1, 2 ,4, 7 ,______, 16, 22
What is the missing number and what is the rule?
11
add 1, then increase the number you add by 1 each time
2, 4, 3 ,5 ,4, 6 ,5
Start at 2. Then alternately add 2, then subtract 1
98, 85, 87, ___, 76, 63, 65
What is the missing number and what is the rule?
74
take 13, then add 2
1, 10, 7, 70, 67, 670
Start at 1. Alternately multiply by 10, then subtract 3