Apps like Mental Abacus Book 2

Here are some great alternatives to Mental Abacus Book 2 by Hamster Force Multimedia Ltd. :
Mental Abacus Expert
Mental Abacus Expert
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Know Abacus
Know Abacus
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Abacus Lesson
Abacus Lesson
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Abacus Exercise
Abacus Exercise
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KoAbacus - Mental Arithmetic
KoAbacus - Mental Arithmetic
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Abacus Lesson - ADD and SUB -
Abacus Lesson - ADD and SUB -
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Abacus Counting Frame
Abacus Counting Frame
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Abacus Practice
Abacus Practice
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Math for 1st Graders
Math for 1st Graders
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Arithmetic Tricks
Arithmetic Tricks
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Mental arithmetic
Mental arithmetic
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Math games, problems and learn
Math games, problems and learn
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Mental Math Master
Mental Math Master
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Mental Calculation Training
Mental Calculation Training
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Math Machine: A Mental Math Pu
Math Machine: A Mental Math Pu
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Math Games - For Learn Maths
Math Games - For Learn Maths
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