20 MATH STORIES
in english, en français
y en español
18. Why do elephants have big ears? (gr. 6-8): Wolf asks, “Why do elephants have big ears?” and Hoodie uses cubes to model elephants of various sizes to discover a neat relationship between surface area and volume. [measurement; geometry; surface area & volume relationships]

NUMBER
1. Something odd
2. Who's the Big Bad Wolf?
3. To infinity & beyond
4. Add it up!
5. Smart multiplication
6. Smart division

PATTERN/ALGEBRA
7. Colourful patterns
8. Making 10 - stage 1
9. Making 10 - stage 2
10. Math trains
11. Math waves
12. Scary patio patterns

MEASUREMENT/GEOMETRY
13. Big party, small party
14. Wolf gets hurt
15. Do parallel lines meet?
16. Mirror, mirror
17. How big is a billion?
18. Elephants' big ears

DATA/PROBABILITY
19. Tortoise & hare rematch
20. How left-handed are you?

 
     
 

Math can explain why elephants have big ears!

Wolf asks, “Why do elephants have big ears?” and Hoodie uses cubes to model elephants of various sizes to discover a neat relationship between surface area and volume.

Content: volume & surface area relationships; patterns in data

44 pages