Stage+4-5++Addition+Subtraction



Solve the equations before the raindrop reaches the water || || __Tic Tac Toe Squares__ Use your addition strategies to find the answer Select 'medium' level || Use doubling strategies to answer the problems || Basic doubling activity || Double the number shown You can partition the number to help ||
 * Activity || Description ||
 * [[image:mathzlinks/Screen_shot_2011-06-12_at_1.40.36_PM.png width="146" height="64" link="@http://www.mangahigh.com/en_au/games/iceicemaybe?localeset=en_au"]] || Using estimation, get the penguins safely from one iceberg to another ||
 * [[image:mathzlinks/Screen_shot_2011-06-08_at_9.52.50_AM.png link="@http://www.lumosity.com/brain-games/problem-solving-games/raindrops"]] || __Raindrops Speed Maths__
 * [[image:mathzlinks/Screen_shot_2011-06-21_at_12.14.27_PM.png]] || Using strategies such as doubling and halving to get to the target number in the least amount of clicks ||
 * [[image:mathzlinks/Screen_shot_2011-06-22_at_4.08.36_PM.png width="182" height="115" link="@http://www.funbrain.com/tictactoe/index.html"]]
 * [[image:mathzlinks/Screen_shot_2011-07-11_at_2.52.25_PM.png width="224" height="133" link="@http://ictgames.com/rhoodbeyond10.html"]] || __Robin Hood__
 * [[image:mathzlinks/Screen_shot_2011-07-12_at_1.41.34_PM.png width="201" height="105" link="@http://www.ictgames.com/bridgedoubles.html"]] || __Bridge Doubles__
 * [[image:mathzlinks/Screen_shot_2011-07-12_at_1.48.59_PM.png width="240" height="135" align="center" link="@http://www.ictgames.com/woodcards.html"]] || __Wood Cards__