Guided Inquiry 3: zyBook Ch. 2.7–2.12 + exercises

Overview

The purpose of this reading and exercise set is to acquaint you with the basics of C++ variables.

Learning Objectives

Basic learning objectives

You are responsible for learning and demonstrating proficiency in the following objectives prior to the next class meeting:

• use a floating point literal in scientific notation
• formatting how floating point numbers are displayed (setprecision)
• distinguish between constants, variables, and literal values
• implement arithmetic expressions with variables and literals
• implement code that uses math library functions

Advanced learning objectives

You should demonstrate mastery of the following objectives by the end of the next class meting through the in-class activities:

• using integer division and rounding in a program
• explain the difference between integer and floating point division in C++
• using the modulo operation to calculate remainders

Resources

Read Ch. 2 of the zyBook (sections 2.7–2.12). You may work with others on the exercises. If you have questions, please talk with a classmate or post your question to Piazza under the "gi 3" tag.

Exercises

Complete the following. There is nothing to submit via Canvas; zyBook shows me what you've completed and when.

• finish Class Activity 2: Command Line & Variables (individually or with your group)
• carry out at least  80% of the "Participation Activities" (the orange ones) in the reading
  
  • you can see how many of the participation activities you've done for a section or chapter using the "Reporting" tab on the main CSC160 zyBook page
  • ask me or a classmate for help if you can't find it
• complete the following "Challenge Activities" (don't spend more than ~20 minutes on each)
  
  • 2.9.1: Using constants in expressions
  • 2.12.1: Type casting: Computing average kids per family
• complete zyLab 2.26: Caffeine levels

If you have a question while you are doing this, please post to the class Piazza board with the "gi 3" tag.