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Sum to   5 in order   Sum  to   5 mixed  order

Sum to 10 in order   Sum  to 10 mixed order

Sum to 12 in order   Sum  to 12 mixed order

Sum to 15 in order   Sum  to 15 mixed order

Sum to 20 in order   Sum  to 20 mixed order


Subtraction from  10 in order         Subtraction from  10 Mixed Order

Subtraction from 12 in order          Subtraction from 12 Mixed Order                

Subtraction from 15 in order          Subtraction from 15 Mixed Order


Math fluency involves students knowing their basic math facts with speed and accuracy. Japan Math makes the assumption that all learners are proficient in their core basic math facts prior to obtaining demonstrable success

with an a Soboran (Japanese Abacus) and prior to undertaking any higher level math.

Japan Math creates Math Fact Fluency!