$impressed young female math teacher wearing glasses standing in front of chalkboard looking at front pointing with chalk at math problem written on chalkboard pointing up in classroom$

$Impressed young blonde female math teacher wearing glasses standing in front of chalkboard looking at camera pointing with chalk at math problem written on chalkboard keeping hand on waist$

$impressed young female math teacher wearing glasses standing in behind view in front of chalkboard looking at front holding chalk solving math problem in classroom$