- Tom Leinster. The Probability That an Operator Is Nilpotent. The American Mathematical Monthly, 128(4):371-375, 2021.
- Xiaomin Chen, Fenglin Huang, Shuhan Zhou, Mingxuan Zou, Junchi Zuo. Foster, Turán, and Neighbors. The American Mathematical Monthly, 128(1):73-78, 2021.
- Daniel H. Ullman, Daniel J. Velleman, Douglas B. West. Problems and Solutions. The American Mathematical Monthly, 128(5):467-475, 2021.
- Ian Thompson, Morris Davies, Miren Karmele Urbikain. Analysis of Series and Products. Part 1: The Euler-Maclaurin Formula. The American Mathematical Monthly, 128(2):115-124, 2021.
- David M. Bradley. Note on Dirichlet's Sinc Integral. The American Mathematical Monthly, 128(3):273-274, 2021.
- Darren B. Glass, Béla Bajnok, Carolyn Yackel, Edray Goins, Jenna Carpenter, Stephen Kennedy, Jeanette Shakalli, Ursula Whitcher, Dave Kung, Kathryn Kozak, Robert Ghrist, Andrew Gelman. Reviews. The American Mathematical Monthly, 128(2):187-192, 2021.
- Robert F. Brown. A Good Question Won't Go Away: An Example of Mathematical Research. The American Mathematical Monthly, 128(1):62-68, 2021.
- Vadim Ponomarenko. 100 Years Ago This Month in The American Mathematical Monthly. The American Mathematical Monthly, 128(1):61, 2021.
- Frederick K. Dashiell Jr.. Countable Metric Spaces Without Isolated Points. The American Mathematical Monthly, 128(3):265-267, 2021.
- Daniel H. Ullman, Daniel J. Velleman, Douglas B. West. Problems and Solutions. The American Mathematical Monthly, 128(3):276-284, 2021.