Abacus Lesson 2 Small Friends: Adding Using 5 As Boss Flashcards
1
Q
Abacus addition
3
2
A
3
5
-3
5
2
Q
Abacus addition
3
3
A
3
5
-2
6
3
Q
Abacus addition
3
4
A
3
5
-1
7
4
Q
Abacus addition
3
5
A
8
5
Q
Abacus addition
2
3
A
2
5
-2
5
6
Q
Abacus addition
2
4
A
2
5
-1
6
7
Q
Abacus addition
2
5
A
7
