Drawing Lines

  Watch the video on Mass BrainPopJr Grams and Kilograms When I go and do my grocery shopping, lots of{...}

Warm Up Finding a friend.   Ask students to form different groups. Eg groups of 2, 4,  girls/boys etc. Ask{...}

How many birds are there altogether?  What is the best way to count this?   What is the fastest way{...}