Name
Date
2–18
Addition Patterns
In this addition pattern, the same number, 2, is added to each number to get the next.
2, 4, 6, 8, 10, 12, . . .
In some addition patterns, a different number is added to each number to get the next.
The numbers that are added also form a pattern. In the addition pattern below, each number
added is 1 more than the number added before it:
2
3
4
5
6 . . .
2,
4,
7,
11,
16,
22, . . .
Write the missing numbers in each pattern. Then describe the pattern.
2, 7, 12, 17,
,
,
1.
2, 4, 8, 14, 22,
,
,
2.
1.2, 3.3, 5.4, 7.5, 9.6,
,
,
3.
5, 6, 9, 14, 21,
,
,
4.
1, 4, 10, 19, 31,
,
,
5.
1, 4, 8, 11, 15, 18,
,
,
6.
1, 2, 3, 5, 7, 10, 13,
,
,
7.