Math educators talk about the importance ... There is no correct answer here — pulling the middle counter down, for example, might make it easier for them to see the remaining nine.

Math educators talk about the importance ... There is no correct answer here — pulling the middle counter down, for example, might make it easier for them to see the remaining nine.

Math educators talk about the importance of learning to ... There is no correct answer here — pulling the middle counter down, for example, might make it easier for them to see the remaining nine.