5mm ruling, or squared lines, can be used starting in elementary school. As early as fourth and fifth grade, this 5mm rule without a red margin is included in the school kit of children who have become comfortable writing numbers. From this point on, this type of ruling will begin to be used and will continue to be used throughout middle school, high school, and even college.
5mm ruling, or squared lines, can be used starting in elementary school. As early as fourth and fifth grade, this 5mm rule without a red margin is included in the school kit of children who have become comfortable writing numbers. From this point on, this type of ruling will begin to be used and will continue to be used throughout middle school, high school, and even college.
