These target worksheets focus on multiplying 2 digit numbers by ten. The goal is to have children become automatic with each of the tables. The ten times table is one of the fastest tables to learn and once children are able to skip count by tens (10, 20, 30, 40) starting at different numbers, they are then ready to learn the ten times tables.
Be sure to follow a sequence for learning the times tables. Random learning of facts rarely leads to permanent learning. Always begin with the two times tables, the five times tables and the ten times tables. Once those are committed to memory, move to the squares like two times two, three times three, four times four etc. Then concentrate on four, seven and eight. Random times tables should only be used to help with automaticity once the easier tables are relatively known and speed is the goal.
There are some great games to help children learn the timestables that require very little and can be done at home or in the classroom. Getting children to commit the times tables to memory is just as important today as it was 50 years ago. Mental math is used regularly in many day to day situations and will be a life long skill.