1.	
1	2	4	6	7	10	

2.	
11	13	15	16	17	20	

3.	
12	15	16	18	19	

4.	
6	7	9	10	14	

5.	
11	14	15	16	19	

6.	
13	14	17	19	

7.	
6	8	12	

8.	
6	8	10	13	14	15	

9.	
7	9	10	13	

10.	
5	6	7	11	13	14	

Challenge – Can you create a number line for the next set of numbers after 20?