TA Elementary Division Theory - Contest Years 2001-02 to 2022-23


ACSL Elementary Division Theory 2022-23

The Elementary Division is open to students from grades 3-6. It consists of non-programming problems. Four categories, one for each contest, will be tested. Each contest consists of an online 30-minute, 5-question non-programming test, focused on a single category of content. A different category will be tested on each contest
May 31 2023 to Oct 14 2023
01:00 PM EDT - 02:00 PM EDT  
Contest #1: Oct 31, 2022 - Sunday Jan 15, 2023 @ 11:59pm EST
Contest #2: Dec 26, 2022 - Sunday Mar 5, 2023 @ 11:59pm EST
Contest #3: Jan 30, 2023 - Sunday Apr 9, 2023 @ 11:59pm EDT
Contest #4: March 6, 2023 - Sunday May 14, 2023 @ 11:59pm EDT

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Elementary Division Theory - Contest Years 2002-2023

The American Computer Science League (ACSL) 2001-2022 organizes computer programming and computer science contest for K-12 students. The academic program is broken down into four different contests which test the students on all the fundamental concepts in computer science. It covers a wide range of topics from number systems to Boolean Algebra. Challenges vary from level to level and age group. As you advance in the course, challenges increase. At the end of the year, the top students are invited to compete in an online Finals competition, contests are administered online. Team advisors facilitate students' access to the online platform; the platform corrects the submissions and reports the scores to ASCL. Each contest consists of an online 30-minute, 5-question non-programming test, focused on a single category of content. A different category will be tested on each contest.

ACSL arranges international computer science and computer programming competitions for elementary, junior, and senior high school students. Over 400 team members from the United States, Canada, Europe, Africa, and Asia start competing in different divisions this year, our 41st year of continuous operation. The National Association of Secondary School Principals has approved ASL as an activity (NASSP). ASL is also a participant of the Computer Science Teachers Association as an institutional member. ACSL provides a variety of competitions from 2001 to 2021. High school students with prior programming experience, particularly those pursuing AP Computer Science, are best suited. As we all know, Advanced Placement Computer Programming is a collection of Advanced Placement science courses and assessments in the United States. The College provides them.

Computer Number Systems, Recursive Functions, What does this programme do?, Pre/Post/Infix Notation, Bit-String Flicking, LISP, Boolean Algebra, Data Structures, Finite State Automation (FSA)/Regular Expressions, Graph Theory, Digital Electronics, Assembly Language, and many other challenging and interesting topics are covered in the curriculum. All of the topics covered in the curriculum are extremely useful in terms of future career opportunities. Throughout the competition, one of the most frequently seen topics is Boolean Algebra. As a result, all previous year's question papers provide a lot of practice and broad exposure to how questions can be asked. This enables students to make better use of their time. Not only that, but by practising with previous question papers, students gain confidence and can perform exceptionally well. Based on the track record, students who use the modules correctly and efficiently achieve excellent results.

The beginner division is the elementary division, which includes grades 3 through 6. The ACSL Elementary Division consists of four non-programming contests. They are Number Systems, Prefix/Infix/Postfix Notations, Boolean Algebra, and Graph Theory. Each contest in the Elementary Division consists of 5 short answer questions covering one topic for each contest; the topic for each contest is listed below. The time limit for the 5-question test is 30 minutes. More information about this division is available in this presentation. They cover elementary computer number systems, prefix or infix or postfix notations, have basic elementary level boolean algebra, and have wide topics covered under the graph theory and understanding. What is ACSL's mission? For all computer enthusiasts, this is one-of-a-kind and thrilling educational experience. It would almost certainly look great on a resume if you were applying to a school. Competitions in programming can help students improve their algorithmic problem-solving, data analytics, and programming skills in general. The ASCL competition encourages students to improve and compete in their math and reasoning skills, as well as to study computer areas that are not covered in their school's curriculum. Pre-Requisite? While it is not required to start with the fundamentals in order to compete in the ACSL, it is strongly advised. Students should apply as soon as possible to the Talent Academy's foundational programming / flowchart courses, following which they should register for the ACSL previous years module paper access modules, which will give them a head start and prepare them for the actual contest.

Details : For more details
Student Guide : For more details
Student Material : For more details
ACSL Schedule :For more details

    Contest #1: Completed on Dec 11 2021 @ 10.00 AM EST

    Contest #2: Completed on Feb 13 2022 @ 10:00 AM EST

    Contest #3: Completed on April 10 2022 @ 10:00 AM EST

    Contest #4: Coming Soon

Decimal conversion

  • Decimal to Binary Ex.1
  • Decimal to Binary Ex.2
  • Decimal to Octal Ex.1
  • Decimal to Octal Ex.2
  • Decimal to Hexadecimal Ex.1
  • Decimal to Hexadecimal Ex.2

Octal conversion

  • Octal to Decimal Ex.1
  • Octal to Decimal Ex.2
  • Octal to Binary Ex.1
  • Octal to Binary Ex.2
  • Octal to Hexadecimal Ex.1
  • Octal to Hexadecimal Ex.2

Hexadecimal conversion

  • Hexadecimal to Decimal Ex.1
  • Hexadecimal to Decimal Ex.2
  • Hexadecimal to Binary Ex.1
  • Hexadecimal to Binary Ex.2
  • Hexadecimal to octal Ex.1
  • Hexadecimal to octal Ex.2
  • Hexadecimal Subtraction

Binary conversion

  • Binary to Decimal Ex.1
  • Binary to Decimal Ex.2
  • Binary to octal Ex.1
  • Binary to octal Ex.2
  • Binary to Hexadecimal Ex.1
  • Binary to Hexadecimal Ex.2

Mixed Practice conversion

  • Mixed Practice Ex.1
  • Mixed Practice Ex.2
  • Mixed Practice Ex.3
  • Mixed Practice Ex.4
  • Mixed Practice Ex.5


  • Computer Number Systems
  • Prefix/Infix/Postfix Notation
  • Boolean Algebra
  • Graph Theory

Binary Numbers

  • Adding Binary Numbers
  • Subtracting Binary Numbers


  • Contest 1
  • Contest 2
  • Contest 3
  • Contest 4
  • Finals Contest


  • Contest 1
  • Contest 2
  • Contest 3
  • Contest 4
  • Finals Contest


  • Contest 1
  • Contest 2
  • Contest 3
  • Contest 4
  • Finals Contest


  • Contest 1
  • Contest 2
  • Contest 3
  • Contest 4
  • Finals Contest


  • Contest 1
  • Contest 2
  • Contest 3
  • Contest 4


  • Contest 1
  • Contest 2
  • Contest 3
  • Contest 4

2016 - 2017

  • Contest 1
  • Contest 2
  • Contest 3
  • Contest 4