Problem Solving in Chemistry Concept Check

What are the steps for solving numeric problems?

• Analyze, calculate, and evaluate.

• Guess, check, and repeat.

• Memorize, forget, and ignore.

• Copy, paste, and submit.

What are the steps for solving nonnumeric problems?

• Identify the problem, develop a plan, and implement the solution.

• Add, subtract, and multiply.

• Write, erase, and rewrite.

• Draw, color, and display.

Why might someone choose the self-checkout at a grocery store?

• There are five customers ahead at the regular checkout

• The self-checkout is always faster

• The self-checkout gives discounts

• The regular checkout is closed

How does using a data table, graph, or other visual aid help in solving problems?

• It helps organize information and make decisions easier

• It makes the problem more confusing

• It is only useful for math problems

• It replaces the need for a plan

Tags

NGSS.MS-PS3-1

Imagine you are at a grocery store with a long list and limited time. What steps would you take to solve the problem of shopping efficiently?

• Make a plan, use your list, and choose the fastest checkout option

• Walk around randomly and pick items as you see them

• Buy only the first items you see

• Wait until the store is empty

Which of the following is NOT a suggested method for making a plan to solve a numeric problem?

• Draw a diagram

• Use data tables or graphs

• Select an equation

• Memorize the answer

Why is it important to evaluate your answer after solving a numeric problem?

• To ensure the answer is reasonable and has correct units and significant figures

• To make the problem more difficult

• To change the question

• To avoid using equations

Which of the following best describes the purpose of using data tables or graphs when solving numeric problems?

• To identify relationships between variables

• To make the problem longer

• To avoid using equations

• To memorize facts

Tags

NGSS.MS-PS3-1

According to the sample problem, how many blocks are equal to one mile?

• 5 blocks

• 8 blocks

• 10 blocks

• 12 blocks

If you walk 8 blocks and 10 blocks equal one mile, how many miles have you walked?

• 0.5 miles

• 0.8 miles

• 1 mile

• 1.2 miles