advertisement

Exploring Computer Science Standards: Unit 2 – Problem Solving (PS) Beginning Name the steps you will use to solve the problem Approaching Explain each step you will use to solve the problem Meeting Solve a problem using your problem-solving plan Express your solution using standard design tools Standard PS.2 Determine if a given algorithm successfully solves a given problem Identify the steps in the given algorithm Explain what the algorithm does step-by-step Determine if the algorithm solves the given problem successfully Standard PS.3 Create algorithms to solve problems Identify the problem to be solve Explain how you can solve the problem using an algorithm Standard PS.4 Make connections between binary numbers and computers Convert between binary and decimal representations of a number Create an algorithm to solve the problem Test the algorithm to see if it solves the problem Describe how bits in a computer are like binary numbers Explain how the computer uses bits and bytes to represent things Standard PS.1 Solve a problem by applying appropriate problem-solving techniques Explain how to convert between binary and decimal representations of numbers Exceeding Analyze your problemsolving plan based on your solution Modify your plan as necessary and repeat your process Analyze the algorithm to determine if it can be more efficient Modify the algorithm to successfully solve the problem Analyze the algorithm to determine if it can be more efficient Explain the behavior of bits Justify why binary numbers are the best choice for computers