Class 3 to 11 · 26 games
Lists of numbers that follow a rule, and finding what comes next — or far ahead.
In everyday life: Squares in a growing pattern of tiles, seats in rows that grow by two, money saved doubling each month.
The first figure is made of 2 squares, the next of 5, the next of 8. The shape grows by the same 3 every time, and that 3 is the rule. Counting the squares in each figure turns a picture into a list of numbers you can carry on.
Look at the step from one term to the next. If it is the same amount each time the sequence is arithmetic; if it is the same multiplier, it is geometric.
Once you know the first term and the step, you can get the 50th term without writing out the 49 before it.
What comes next: 3, 7, 11, 15, ...?
19
Each term is 4 more than the one before, so 15 + 4 = 19.
You will carry a pattern on, say what each step does, and use that rule to jump to a term far past the end of the row.
Class 3 sequences (2) · Class 4 sequences (6) · Class 5 sequences (2) · Class 9 sequences (2) · Class 10 sequences (8) · Class 11 sequences (6)
No download, no account for your child. Classes 3 to 12, more than 1,000 games.
