Using Pattern Rules
The no. of toothpicks equals 5 times the no. of shapes.
How many toothpicks are needed to build 7 shapes?
The no. of matchsticks equals 7 times the no. of shapes.How many matchsticks are needed to build:
i) 6 shapes?



ii) 11 shapes?
The no. of toothpics equals                        2 times the no. of shapes plus 3.
How many toothpics are needed to build 11 shapes?
The number of toothpicks equals        6 times the number of shapes minus 4.
How many toothpicks are needed to build:
i) 3 shapes


ii) 11 shapes
The number of matchsticks equals
   7 times the number of shapes minus 5.

How many matchsticks are needed to build:
i) 8 shapes?

ii) 5 shapes?
创建 That Quiz — 数学测试与其他学科的资源网站.