Estimation Practice

Try this Estimation golf game to practice your estimating:
http://mrnussbaum.com/estimationvalley/

Here are other sites for practice:
https://www.sheppardsoftware.com/mathgames/menus/roundestimate.htm
http://www.theproblemsite.com/games/guess-it

Science- Remedies of First Nations People

Go the this link to try the "Heal the Drummer, Save the Band" game. Read instructions carefully.
https://ecokids.ca/swf-files/gamesPage/miltonGame.swf

Place Value practice

Try these sites to practice place value concepts:
1.https://www.sheppardsoftware.com/mathgames/menus/place_value.htm
2.http://www.topmarks.co.uk/maths-games/7-11-years/place-value
3.http://www.abcya.com/place_value_hockey.htm
4.http://www.math-play.com/place-value-games.html
5.