Lesson 6

Sandwich Mass

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes

TIMS Bit

The missing input is 80. The missing output is 129,000. The rule is “multiply by 100, or N × 100.”

Ongoing Assessment

Use DPP item Q to assess these Expectations:

E1.: Identify and extend patterns for increasing and decreasing functions.
E2.: Represent patterns and functions using words, symbols, tables, and graphs.

Use tasks similar to those on the Writing Rules pages in the Student Guide to provide targeted practice.

Q. Clean It Up!

Frank found a function machine that was so dirty he could not read its rule. He recorded some of the inputs and outputs, but his paper got smudged. Complete Frank's data table. Then tell the rule for the function machine.