Agenda 3/18/15 (Asia)Agenda 3/18/15 (Asia)Please open your agenda and write Please open your agenda and write

the following:the following:

• Reading: A Different Kind of Adding Machine

• HW: None

A Different Kind of Adding MachineA Different Kind of Adding Machine

• An abacus is a wooden frame containing a series of vertical rods• It is used widely in China and Japan in businesses and homes• Earliest known counting device was a board sprinkled with sand

more than 5000 years ago• Numbers are formed by moving beads up to the bar• Some types of abacuses have been used in China since about the

12th century• They can serve as a calculator, an adding machine, or a cash

register• Chinese and Japanese learn how to use in school are trained by a

professional abacus operator.• Banks and other big businesses are finally giving away to

electronic computers, however, smaller businesses will depend on the abacus

A Different Kind of Adding MachineA Different Kind of Adding Machine

1. Silent read for 2-4 minutes2. If you finish before time is up, reread itC: Level 0H: Raise your handA: Reading silentlyM: None, unless you need a tissueP: Reading, not talkingS: Success

A Different Kind of Adding MachineA Different Kind of Adding Machine

1. Write your first and last name at the top of the paper

2. If you finish before time is up please do the activity on the back3. They will collect them today C: Level 0-1H: Raise your hand, ask someone at your tableA: Completing questionsM: Sharpen pencil, get tissueP: Working, following CHAMPSS: Success