457
608
923
Ten Frames
Tallies
Base-ten Blocks
Picture
Expression
Which expression below represents 360? 200 - 160 380 – 30 400 – 40 300 + 60 100 + 100 + 100 + 50 + 10 260 + 75 + 25 357 + 3 260 + 10
Partitioning
How else might I partition the number 354? Partition Numbers Partition - to break a number apart 354 300 + 50 + 4 How else might I partition the number 354?
You try it! 354
You try it! 250
Group Work Each group will be given a sheet of chart paper, markers and a number You will need to work together to partition that number in as many different ways as you can using base-ten blocks As each base-ten model is created, record it on your chart paper using pictorial representations Record the expressions that go with each pictorial display