Identify skip counting rule with addition, subtraction, multiplication, and division
21, 16, 11, 6 has a skip counting rule of ?
?
?
?
21
16
11
6
When identify the skip counting rule, we look at the difference between each pair of numbers in the sequence.For example, if we have the numbers 2, 4, 6, 8, the difference between each pair of numbers (i.e. 4-2, 6-4, and 8-6) is 2. So, the skip counting is +2.
