**Math** (funded by SSHRC, KNAER + Fields)

**Infinity in my hand**(gr. 3: fractions, infinity, limit)**Making sums of 10**(gr. 3-4: patterning, linear functions)**How to fence a pen**(gr. 2-4: area, perimeter, optimization)**Where parallel lines meet**(gr. 2: geometry of a sphere)**Probability race**(gr. 2-4: probability with dice)**Odds and evens**(gr. 2, 7: growth patterns, odds, evens)**How much is a billion?**(gr. 3: Fermi questions, social justice)**Growing patterns**(gr. 1-4: growth patterns, slope, linear functions)**Math waves around us**(gr. 3-4: patterning, trigonometry)**Low floor, high ceiling**(big ideas for young mathematicians)

**Cough, cough**(gr. 4: pollution, social justice)**Eating plastic**(gr. 3-4: the great plastic dump, social justice)**Refraction action**(gr. 2-3: refraction)**Will it float, will it sink?**(gr. 2-3: density, buoyancy)**Gravity's pull**(gr. 2-3: gravity, density)

**Never met a happy bully**(bullying and breaking the silence)**The lizard in your brain**(violence in the media)

Mathematician and author Manil Suri (University of Maryland Baltimore) visited St. Andrews Public School in Toronto and took questions from students and parents at the school's Math Community Evening, where young students shared their classroom learning with family, firends, and the wider community.

**Questions asked:**

**1. [0:05]** Why did they choose North for a compass to point to. Why were South, East or West not chosen?

**2. [0:37]** If parallel lines meet, are they really parallel lines anymore?

**3. [2:32] **Other than math, do mathematicians have any other interests?

**4. [3:22]** When can 2 + 2 = 5?

**5. [3:53]** Can you please share some unconventional methods of learning or understanding math basics other than bookish?

**6. [4:29] **We now know that odd numbers hide in squares. Where do mathematicians hide?

**7. [5:06]** Who created multiplication?

**8. [6:02]** What skill or strand is most important for this generation of kids, to take them into the future?

**9. [6:57]** Does pi go on forever?

**10. [8:42] **Would 3.333... eventually become a whole?

**11. [9:43] **Is zero and odd or an even number?

**12. [10:34]** How do calculators work?

**13. [11:30]** How were numbers created?

**14. [12:51]** Are calculators always right?

**15. [13:57]** Why are there pluses and equals between numbers like when you write 1 + 1?

**16. [14:58]** Isn't that BEDMAS where brackets go first and exponents second?