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Proportional Reasoning Projects
The Petri Dish: exploring the growth of “critters” in a petri dish over time. Exercises lots of great grade 6/7 skills, including line graphs, t-tables, expressions, fractions and percents.
Basic Open Number Line Practice
Subtraction to 100 Set 1:
- In development
Subtraction to 1000 Set 1:
- Subtraction Practice to 1000 (word document)
- Subtraction Practice to 1000 (pdf)
The Mystery of the Dark Day: Level 2
Ready for a winter mystery? Try to solve the Mystery of the Dark Day!
Here are your numbers:
Remember that your first step is to put these numbers in order and record what you know about each. Focus on word forms and expanded forms.
Here is the printout with numbers and descriptions: The Mystery of the Dark Day
If you happen to notice any other possible connections to the identity of these numbers, you can record those as well!
Once you are done, make a first guess at matching numbers to descriptions.
Then, time to read to see how close you came!
Here is the reading printout: The Mystery of the Dark Day
As part of this quest, you may want to answer some other questions you have or explore more deeply. Click here to access the Research Station!
Mystery Of the Dark Day Level 3
Imagine bundling up in your winter coat, grabbing your snack, and heading out for school under a dark sky filled with stars! The snow on the playground sparkles in the moonlight. Maybe you look up in the sky and see colours so beautiful that you stand in quiet amazement and watch as the colours dance before you.
At lunch you head out and still…no sunshine peaks over the horizon. You feel the sharpness of the cold against your cheeks and hang out with your friends in the dark.
After school, the day goes from dark to even darker! You walk home in silence, hearing the crunch and squeak of snow under your boots.
Could this be true or is it a kind of strange dream? Is there a place in this world where you wake up and spend your whole day in the dark?
Take out your journal and a pencil. Time to write down some ideas based on the following questions:
- What did you notice? What did it make you think of?
- What are your questions? What do you wonder?
When you are done recording your ideas, time to visit the Mystery of the Dark Research Station: https://numeracylab.edublogs.org/2020/11/20/mystery-of-the-dark-research-station/
Read or watch and find:
- Information that you think helps you build your understanding of this mysterious place. Does it exist? Where could it be? What might cause this strange phenomenon?
- Numbers that connect with this story. Try to find a range of interesting numbers, perhaps some with decimal numbers. Don’t forget to write the unit and the story of each number. Find between 8 and 12 numbers.
Represent Your Thinking: Grades 4 and 5
This is a quick warm-up routine with big rewards! It allows you to practice the competency of mathematical communication, which is a cornerstone of the new curriculum! We are beginning with multiplication equations, but will shift to fractions, decimals and division over the course of the year.
Week 1 Term 2. Choose 1 equation to work on: 13 x 5 or 26 x 17
You are going to represent the equation and the solution using words, pictures, and numbers.
Sample of completed work:
The Mystery of the Dark Day!
This mystery takes you to places you probably have never been before! Question is: could they really be real?
Level 1: Numbers 0-100 (with one big number thrown in!) Click here.
Level 2: Numbers 0-100,000! Click here.
Level 3: Solve your own mystery through inquiry and research! Click here.
Mystery of the Dark Day: Level 1
Time for you to solve a mystery!
Remember to select “view slide show” and don’t skip ahead until you have given everything a good read and proposed a possible solution! You can record your ideas in your math journal in order to keep track.
Good luck everyone and have fun!
Mystery of the Dark: Research Station
Now that you have finished reading The Mystery of the Dark Day, time to decide how you would like to approach your investigation! We have several options for you:
Websites: It is worth looking at all of these websites. If you look at them all, they will help you form a bigger picture It is your job to explore the choices and look for information that helps you understand the mystery better.
- National Geographic 1
- National Geographic 2
- National Geographic 3
- National Geographic 4
- New York Times
- Canadian Encyclopedia
- Kids World Travel Guide
- CBC Kids
- Time and Date
Reading Printouts: Sometimes a printout is handy! You can underline or highlight important information. We have one options for you (so far):
Videos: When you are viewing videos for information, it actually helps to watch them twice. The first time just watch and take in the whole story. The second time, take notes! Again, some of these videos may be more helpful than others depending on your questions. Explore and decide for yourself what is most useful.
Books: Go to your local library or learning commons and go for a search! Look for books that help you build your understanding. Tell librarians about your investigation and what you are hoping to find out. They can help you search!
Standard Algorithm for Multiplication
It is not a must that students learn the standard algorithm. However, the standard algorithm is the most efficient model for multiplying large numbers. If students are using it, it is important to draw connections between this model and the partial products model. A film helping students make these connections is currently in development.
These videos from Math Antics explains the standard algorithm:
These free practice pages are from Dad’s Worksheets: Click here!