Basic Math Facts
What percent is 1 whole ? (e.g. 1 whole pizza or 1 whole pie)
1 0 0 %
7 x 7
4 9
1 0 0 divided by 5
2 0
Who was interested in the land that is now North America, including Canada ?
France, Britain & Spain
Where is carbon found on Earth ?
In every living thing.
Change this fraction (1/2 or half) into a percent.
5 0 %
8 X 7
5 6
1 2 5 divided by 5
2 5
What is a natural resource ?
Any material or animal found in nature that is useful to people.
After it's been buried in the ground for millions of years, WHAT does carbon turn into ?
Fossil fuels
What is 1/4 as a percent ? (Think of money.)
0 . 2 5 %
12 X 12
1 4 4
1 3 0 divided by 2
6 5
What three North American resources we Europeans interested in ?
Fish, fur & timber
What causes the heat we feel on a hot summer day ?
The Greenhouse Effect
What fraction is the same as: 0.33
1 / 3 (or one third)
25 x 6
1 5 0
1 4 4 divided by 1 2
1 2
What European items did First Nations trade their resources for ?
Metal pots, metal tools and cloth
How does carbon get put back into the Earth ? (i.e. What breaks down dead plant & animal matter?)
D e c o m p o s e r s
Tax in Ontario is 13%. If you buy something that costs $100.00, how much money do you have to give the cashier?
$ 1 1 3 . 0 0
66 x 27
1 , 7 8 2
1 2 0 divided by 3 0
4
Why were Europeans interested in fur and the fur trade ?
Fur was warm, water resistant, and fashionable.
How does CO2 cycle back & forth between plants and animals ?
A N D
What is the process called when green plants make their own food?
Animals breathe OUT CO2 and green plants take IN CO2
P h o t o s y n t h e s i s