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Cakes and Bansho

We started a new art lesson today about Wayne Thiebaud and his cakes. Our artwork success criteria involves drawing a 3D cake with a slice cut out of it and using shading to capture the low light.

Today we practiced drawing the shape of our cakes.

Please look at the Math At Home tab at the top of the blog to see this week's Bansho question. Here are our solutions in order of efficiency. All of our methods would work at finding an answer but some methods would work more efficiently than others.

This group is adding one block at a time and seeing if it fits the problem.

 We started writing out all of the multiples of 3, 4, and 5 but that took too long. One of us thought that 60 would work so we did the multiplication to prove it.

 We used the multiplication chart to find a common multiple of 3, 4, and 5.

We knew the number had to end in a 5 or a 0 because it has to be a multiple of 5. We also knew it couldn't end in a 5 because then it wouldn't be a multiple of 4. After that, we quickly found 60 was a multiple of all three.

Great Bansho everyone!!! Yay us!

Math Mistakes

Big and Small Numbers

Lesson Goal: I can build large numbers out of small numbers.

Choose two numbers. One is really big and the other is pretty small. Tell how many of the small numbers it would take to make the big one.

Red: Pick numbers between 1 and 100

Yellow:  Pick numbers between 1 and 100 000

Green: Pick numbers between 0.01 and 1

Neon Green: Pick numbers between 0.001 and 1 000 000

Choose your question wisely based on making sure that learning is taking place. If you choose two numbers that are too easy for you, you won't be learning anything.

We will take this up, Bansho style, tomorrow.

Meanwhile…

What is something that you learned?

Blade learned that he could use patterns from the answers that he found using a calculator to quickly find answers using different numbers.

Evan learned that he could use division to find an answer in an efficient way.

Finley, Sohail, and others learned how to divide with decimals.

Kailee learned that, with perseverance, she could find an answer in the green level by building up the small number.

I learned that when dividing by decimals, it is like dividing by 10s. It is really a matter of moving your decimal.

Quinn learned that multiplying by base tens moves the decimal to the right and dividing by base tens moves the decimal to the left.

Numbers Tell Us How Many or How Much

What Can You Buy?

Big Idea

I can recognize the value of a digit based on where it is placed in a number.

I can read big and small numbers.

What can you buy with...

00000100000. One hundred thousand

• A really expensive car
• An very, very, inexpensive house in the Ottawa area
• Professional NHL grade goalie equipment
• Someone’s salary could be $100 000 / year
• A big renovation in your house
• a big wedding

0000010000.0 Ten thousand

• A home theatre system (television, speakers, surround sound)
• horse
• A car
• an expensive snowboard package
• 2 airplane tickets to Europe or China
• 10 Mac Airs
• a small wedding

000001000.00 One thousand

• an engagement ring
• used car, not in great shape
• laptops, computers
• television
• trampoline
• gaming system (console, headset, games)
• dog
• camera

00000100.000 One hundred

• one ticket to a concert
• skateboard
• pair of shoes
• skis
• pants
• haircut, hairstyle
• hockey stick
• good winter coat
• ukulele
• video games
• clarinet
• Maplelea Girl
• A week’s worth of food for a family of 3-4 ($200-$300)
• To fill a tank of gas in a car costs roughly $70
• A bill at a restaurant for 4 people could cost $100
• skates

0000010.0000 Ten

• a Littlest Pet Shop toy
• iPod case
• Cheeseburger
• Buzz Bee Toy
• Soft cover book
• Cups of coffee
• A used board game at Boomerang
• Album on iTunes
• water bottle
• Christmas ornaments
• nail polish
• Scout rocket
• hair brush
• Menchie’s
• cheap soccer ball

000001.00000

• a lot of things at Dollarama
• a pack of gum
• one song on iTunes
• used Rubrics Cube
• Lollipop
• a pencil
• a bottle of water
• can of Coke
• Apps

00000.100000 Ten cents, one tenth

• piece of candy
• sticker
• fake tattoo
• not much of anything

0000.0100000 One cent, one hundredth

• nothing
• it doesn’t even exist anymore
• another penny

Here are the words students summed up the lesson with:

place, value, math, numbers, descriptive, decimal

Aquaponics

In class we are starting a system called Aquaponics, it is where you have a fish and you use the fishes manure as the soil and you grow vegetables in clay balls. 

Jack (Tiiu's former student) got a grant to study aquaponics with our class, and came in to talk to us about pollution and how it affects our environment, after he talked to us about Nitrogen and what plants need to survive:

• H2O-Water(Hydrogen 2 oxygen)
• CO2-Carbon dioxide 

Next he talked about parasites and asked us what a parasite was and it is a being that takes but never gives. Then he talked about what a symbiotic relationship is and we gave examples of different symbiotic and parasitic relationships are.

For example:

• A bee and a flower
• A human and a loyal pet
• Fingers and a keyboard

We split up into three groups to try three different ways of planting, the three groups were soil, insulation, and plastic bags. We were planting broccoli, tomato's, kale, and spinach.

The insulation group adding their plants.

The plastic bag group planting.

They left and came back this week and we got started on the actual tank and system, we had to fix the tubes that would transfer the fish water to the garden. After that, we dumped the clay balls into the garden. Then we made the tank for the fish and dumped all the water into the tank. They will be coming back next week to do more. We'll keep you posted!