(i) Elementary instructional program--grades K through 6. Pupils in grades K - 6 shall participate in the physical education program as follows:

• (a) all pupils in grades K-3 shall participate in the physical education program on a daily basis. All pupils in grades 4-6 shall participate in the physical education program not less than three times each week. The minimum time devoted to such programs (K-6) shall be at least 120 minutes in each calendar week, exclusive of any time that may be required for dressing and showering;
• (b) notwithstanding the provisions of clause (a) of this subparagraph, pupils in grades 5-6 who are in a middle school shall participate in the physical education program a minimum of three periods per calendar week during one semester of each school year and two periods during the other semester, or a comparable time each semester if the school is organized in other patterns; or
• (c) as provided in an equivalent program approved by the Commissioner of Education.

FAQ addresses the amount of time that is provided for physical education in elementary school every week.