Comparing Numbers with Ratios

Ms. Lee’s Class

Work Time

Ms. Lee's Class

There are 15 boys and 17 girls in Ms. Lee's math class.

  • What is the difference between the number of girls and the number of boys in the class?
  • What is the ratio of boys to girls?
  • What is the ratio of girls to boys?

Ask yourself:

  • When you need to find the difference between two numbers, what operation do you use?
  • For the ratio of boys to girls, what should the first number be, ”the number of girls or the number of boys?
  • For the ratio of girls to boys, what should the first number be, the number of girls or the number of boys