No. 289 (January 4, 2020) "10 Problems in Transposing the Terms of First-Degree Equations"
No. 290 (January 11, 2020) "10 Problems in Solving First-Degree Equations"
No. 291 (January 18, 2020) "10 Problems in Clearing First-Degree Equations of Fractions"
No. 294 (February 8, 2020) "10 Problems in Solving First-Degree Inequalities"
No. 297 (February 29, 2020) "10 Problems in Solving Equations Involving Absolute Value"
No. 298 (March 7, 2020) "10 Problems in Solving Inequalities Involving Absolute Value"
No. 299 (March 14, 2020) "10 Problems in Adding Polynomials"
No. 300 (March 21, 2020) "10 Problems in Subtracting Polynomials"
No. 301 (March 28, 2020) "10 Problems in Simplifying Expressions Enclosed by Grouping Punctuation"
No. 302 (April 4, 2020) "10 Problems in Multiplying Monomials"
No. 303 (April 11, 2020) "10 Problems in Raising Monomials to Powers"
No. 304 (April 18, 2020) "10 Problems in Dividing Monomials"
No. 305 (April 25, 2020) "10 Problems in Multiplying a Monomial by a Polynomial"
No. 306 (May 2, 2020) "20 Problems in Multiplying a Polynomial by a Polynomial (Part 1)"
No. 307 (May 9, 2020) "20 Problems in Multiplying a Polynomial by a Polynomial (Part 2)"
No. 308 (May 16, 2020) "30 Problems in Factoring by Finding the Greatest Common Factor (Part 1)"
No. 309 (May 23, 2020) "30 Problems in Factoring by Finding the Greatest Common Factor (Part 2)"
No. 310 (May 30, 2020) "30 Problems in Factoring by Grouping (Part 1)"
No. 311 (June 6, 2020) "30 Problems in Factoring by Grouping (Part 2)"
No. 312 (June 13, 2020) "40 Problems in Factoring by the ac-Method (Part 1)"
No. 313 (June 20, 2020) "40 Problems in Factoring by the ac-Method (Part 2)"
No. 314 (June 27, 2020) "40 Problems in Factoring by the ac-Method (Part 3)"
No. 315 (July 4, 2020) "40 Problems in Factoring by the ac-Method (Part 4)"
No. 316 (July 11, 2020) "40 Problems in Factoring by the ac-Method (Part 5)"
No. 317 (July 18, 2020) "40 Problems in Factoring by the ac-Method (Part 6)"
No. 318 (July 25, 2020) "40 Problems in Factoring by the ac-Method (Part 7)"
No. 319 (August 1, 2020) "40 Problems in Factoring by the Difference of Squares (Part 1)"
No. 320 (August 8, 2020) "40 Problems in Factoring by the Difference of Squares (Part 2)"
No. 321 (August 15, 2020) "40 Problems in Factoring by the Difference of Squares (Part 3)"
No. 322 (August 22, 2020) "20 Problems in Solving Equations (Part 1)"
No. 323 (August 29, 2020) "20 Problems in Solving Equations (Part 2)"
No. 324 (September 5, 2020) "20 Problems in Solving Equations (Part 3)"
No. 325 (September 12, 2020) "20 Word Problems Involving Simple Equations (Part 1)"
No. 326 (September 19, 2020) "20 Word Problems Involving Simple Equations (Part 2)"
No. 327 (September 26, 2020) "20 Word Problems Involving Simple Equations (Part 3)"
No. 328 (October 3, 2020) "20 Word Problems Involving Simple Equations (Part 4)"
No. 329 (October 10, 2020) "20 Word Problems Involving Simple Equations (Part 5)"
No. 330 (October 17, 2020) "30 Problems in Reducing Complex Fractions to Simple Fractions (Part 1)"
No. 331 (October 24, 2020) "30 Problems in Reducing Complex Fractions to Simple Fractions (Part 2)"
No. 332 (October 31, 2020) "30 Problems in Reducing Complex Fractions to Simple Fractions (Part 3)"
No. 333 (November 7, 2020) "30 Problems in Reducing Complex Fractions to Simple Fractions (Part 4)"
No. 334 (November 14, 2020) "10 Problems in Dividing a Polynomial by a Monomial (Part 1)"
No. 335 (November 21, 2020) "10 Problems in Dividing a Polynomial by a Monomial (Part 2)"