Page 20 - PlayFacto_A3

Two rules in a pattern

A pattern has two rules.

① The shapes , are repeating. ① The colors green, red, green
are repeating.
② The colors blue, red, green
are repeating. ② The numbers of circles 1, 2, 3
are repeating.

Example 1 Find two pattern rules for each pattern. Fill in the blanks.

⑴

① The shapes , , are repeating.
② The colors , are repeating.

⑵

① The numbers of circles , are repeating.
② The colors , , are repeating.

2. Two pattern rules 17