Represent a Math Problem
Work Time
Represent a Math Problem
Explore each of these math representations: a ratio table tool, a double number line tool, and a tape diagram tool.
- Research each type of representation and explore how to use it. Select one representation to describe to the class.
Solve this problem. Represent it using a double number line or a ratio table.
Three types of nails are for sale:
- It costs 5¢ to buy 3 type A nails.
- It costs 8¢ to buy 6 type B nails.
- It costs 10¢ to buy 8 type C nails.
Which type of nails costs the least per nail?
Jack says:
“The rates are for type A, for type B, and for type C. Type A costs the least per nail." Jack is wrong. Explain his mistake.