Problem+Solver

Grade 6... these are some problem solving activities that we will work on.

Problem # 1

There are three switches downstairs. Each corresponds to one of the three light bulbs in the attic. You can turn the switches on and off and leave them in any position. How would you identify which switch corresponds to which light bulb, if you are only allowed one trip upstairs?

Solution



= **Problem Solving Question#2** =

=== On July 5, six different people reported to the police that they had seen Big Foot. The next day, twice as many people called the police to report that they had seen the creature. Each day the police received twice as many calls as the day before. After they got a total of more than 300 calls, the police took the phone off the hook! On what day did the police receive their 300th call? ===

Connections: Can you extend the sloution and or relate this problem to another math problem by their math similarities?
== Can you relate this problem to anything in the "real world" in some mathematical way?

=﻿Problem Solving Question #3=

Which of the following numbers 15, 20, 23, 25 does not belong? Explain why. Find as many different solutions as possible.
=Problem Solving Question #4=

You have collected $200 from Christmas gifts. You need to find a product or products from on-line stores. You will need to be aware of the GST, PST, and shipping costs.

Here is a calculator to help you determine your answer.

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=﻿Problem Solving Question #5=

Compare different pay scales. Decide if it is better to receive $300 a week or to be paid hourly at a rate of $7.50 per hour. What factors could affect your decision?

Here is a calculator to help you determine your answer.

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=﻿Problem Solving Question #6=

How many times in a 12 hour period does the sum of the digits on a digital clock equal 6? Try to think of a way to solve this without going through every single time. Describe what you did.