0 0 0 0 4
Lesson 1.2: Counting by 2's to 30 for Russian Abacus
The beads will move at each step with an
appropriate explanation in this window.
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0 0 0 2 4
Lesson 1.2 Counting by 2's
2

Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
4

Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
6

Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
8

Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
10
Correct but not done yet...
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0 0 0 -10 4
Lesson 1.2 Counting by 2's
10  ... Hold on...

Press Space-bar
0 0 1 1 4
Lesson 1.2 Counting by 2's
10
OK now we can move on
Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
12

Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
14

Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
16

Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
18

Press Space-bar
0 0 0 -8 4
Lesson 1.2 Counting by 2's
20  Taking a short cut
Add 2 by taking away 8 and adding 10
Press Space-bar
0 0 1 1 4
Lesson 1.2 Counting by 2's
Now add 10 for
20
Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
22

Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
24

Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
26

Press Space-bar
0 0 0 2 4
Lesson 1.2 Counting by 2's
28

Press Space-bar
0 0 0 -8 4
Lesson 1.2 Counting by 2's
30  Short cut again...

Press Space-bar
0 0 1 1 4
Lesson 1.2 Counting by 2's
30  Done!

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