Changes

Jump to navigation Jump to search
687 bytes added ,  16:36, 8 April 2010
Line 99: Line 99:     
=== Division ===
 
=== Division ===
'''TODO:''' Add instructions for division.
+
 
 +
Simple division (by a single-digit number) is the inverse of multiplication. In the example below, the dividend is put on the left (leaving one column vacant for the quotient) and the divisor on the right.
 +
 
 +
<gallery>
 +
File:Abacus-123456789-over-2.png|123456789÷2=? Place the dividend (123456789) on the left, leaving one blank column. Place the divisor (2) on the right.
 +
File:Abacus-1-over-2.png|1÷2=0.5
 +
File:Abacus-2-over-2.png|2÷2=1
 +
File:Abacus-3-over-2.png|3÷2=1.5
 +
File:Abacus-4-over-2.png|4÷2=2
 +
File:Abacus-5-over-2.png|5÷2=2.5
 +
File:Abacus-6-over-2.png|6÷2=3
 +
File:Abacus-7-over-2.png|7÷2=3.5
 +
File:Abacus-8-over-2.png|8÷2=4
 +
File:Abacus-9-over-2.png|9÷2=4.5
 +
</gallery>
 +
 
 +
'''TODO:''' Add instructions for long division.
    
[[Category:Activities]]
 
[[Category:Activities]]

Navigation menu