Donkey Kong Jr. + Jr. Sansū Lesson

Donkey Kong Jr. + Jr. Sansū Lesson is the for the, a combined television and Family Computer unit released only a few months after the original Famicom. It is a compilation of the games Donkey Kong Jr. and a prototype of Donkey Kong Jr. Math, the latter would not be out until December of that year. Despite being a compilation of the two games, it only contains half of the 1- and 2-Player game modes from Donkey Kong Jr. and the +-×÷ Exercise mode from Donkey Kong Jr. Math.

Differences from Donkey Kong Jr.

 * Stage 2 and Stage 3 have been removed.
 * The cut scene after Stage 4 has been removed.
 * There is only one difficulty setting, equivalent to B mode (expert) from the earlier release.

Differences from Donkey Kong Jr. Math

 * The title in Japanese is different. In this version, the game is called Math Lesson which was the working title during development. When the full game was released in December, the title became Math Play.
 * The question format selection screen is different.
 * Donkey Kong is caged for unknown reasons. He will remain that way even when the game is completed.
 * The Nitpicker that drops eggs when the answer is correct is absent. Instead of eggs, apples are used.
 * The time is used as the score.