math teacher explains arithmetic sums younger children

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$A math teacher explains arithmetic sums to younger children. Royalty Free Stock Photo$

$Portrait of a confident Caucasian male teacher in class Royalty Free Stock Photo$

$A math teacher explains arithmetic sums to younger children.$

$Portrait of a confident Caucasian male teacher in class Royalty Free Stock Photo$

The teacher teaches how to count on the board in the classroom. Smiling man explains additions in a column in class. A math teacher explains arithmetic sums to younger children.