Problem Solving Maths

Term 4, Week 7

Green Problem: In a bag there are some balls. I draw out one ball and it is red. I put it back and draw again. This time the ball is black. I put it back. After ten draws, I have drawn out three red and seven black. How many balls might there be in the bag and how many might be black?

Orange Problem: Madeleine three two dice and when they landed she subtracted one number from the other and wrote down the answer ‘1’. What might the numbers on each dice have been?

 

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Term 4, Week 5

 SHAPE Post-Assessment

Screenshot 2015-08-31 16.48.34

School Code: OLSC2015

Log In: Your OLSC number – number only!

Password: Your OLSC number – number only!

Your Challenge: 

Design a spinner that has 1/3 (one-third) chance of landing on RED

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Term 4, Week 4

I was watching television and I noticed that the hands of a clock made an acute angle (smaller than 90º right angle).

What program might I have been watching?

What time might I have been watching television?

 

Also, finish your symmetry picture from last Friday. 

Term 4, Week 3

Magazine Mirrors

Your task today is to choose a page from a magazine that has interesting pictures on it. Cut it in half and stick it onto a page in your book.

Then, you need to draw the mirror image of the magazine page.

Term 4, Week 1

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Term 3, Week 4

Sally and David have agreed to work for their Mum over the holidays. The pay they get will vary though. Sally will get $10 for the first day she works and two more dollars for every day she works after that. David, on the other hand, will get $1 for the first day he works but for each day he works from then on his pay will be doubled. Who would you rather be and why?

Extension: After how many days will David’s Mum run out of money?

 

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Term 3, Week 2

1. There is something you do after you get out of bed and before you go to school that takes approximately four minutes. What might it be?

2. The hands of a clock make an angle that it less than a quarter of a turn. What time might it be? 

3. What is something you can do in exactly 100 times in one minute?

 

Term 3, Week 1

My Typical Day

Your Task: Show 8 things you do in an ordinary day. Draw and write a description about each activity. Then, draw a 12-hour clock showing the time the activity normally happens.

Extension: Write the time as you would see it on a digital clock using a.m. and p.m.

Term 2, Week 8

1.

 

 2.

The perimeter of a pentagon is 35cm. ​

What is the length of each side, in both cm ​and​ mm?

What would the length of each side be if it were a square?

What would the length of each side be if it were an equilateral triangle?

 

 

Term 2, Week 7

Perimeter

Your challenge: How many ways can you draw a shape with the perimeter of 10cm?

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Term 2, Week 4

Location: A-Mazing!

Image result for maze

Have you ever been caught in a maze? How did you get out? Why was the maze so difficult to escape from?

Today – your task is to design a maze! Make sure it’s a tricky one!

After you have made the maze, write down the directions how to get through the maze.

Now, share your maze and directions with a friend to see if they can use the directions to get out of the maze!

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