Yes, you can add just about as many tables as you like. Recommend you separate the tables with an empty column to make the tables easier to identify.
Because they are tables of the numbers that are the result of "times"-ing a number.
It would be best to include shape work, triangles, percentages and times tables. The worksheet should gradually get more difficult allowing the students to ease in and feel comfortable with what they are doing.
Times tables
As many as you like -- limited only by computer memory.
55 and its multiples. 1, 5, and 55 are all in both the 5 times and 11 times tables.
4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100
No, 86 is not in the 4 times tables. The 4 times tables consist of multiples of 4, starting from 4, 8, 12, 16, and so on. Since 86 is not a multiple of 4, it is not found in the 4 times tables.
The transum times tables website is amazing. You can learn so much from it.
number of prime numbers which are in the seven times tables: 1 prime numbers are in the seven times tables: 7 only
No, 49 is in the 7 times tables.
121 is not in the 2 times tables because it is an odd number.