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Results from the 2025-07-31 number sense challenge contest are now online at mathleague.org

New high school contest listing: 2026-04-26 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New middle school contest listing: 2026-03-29 in Online, XX. See https://mathleague.org/msevents.php for more details.

New elementary school contest listing: 2026-05-10 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2026-04-12 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2026-04-12 in Online, XX. See https://mathleague.org/esevents.php for more details.

New high school contest listing: 2026-04-06 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2026-03-09 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2026-02-09 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2025-12-29 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2025-12-01 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2025-11-03 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New middle school contest listing: 2026-04-06 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2026-03-09 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2026-02-09 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2025-12-29 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2025-12-01 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2025-11-03 in Online, XX. See https://mathleague.org/msevents.php for more details.

New elementary school contest listing: 2026-04-06 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2026-03-09 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2026-02-09 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2025-12-29 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2025-12-01 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2025-10-27 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2026-03-28 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2026-02-28 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2026-01-31 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2025-12-20 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2025-11-22 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2025-10-25 in Online, XX. See https://mathleague.org/esevents.php for more details.

New high school contest listing: 2026-03-21 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2026-02-21 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2026-01-24 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2025-12-13 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2025-11-15 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2025-10-18 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2026-03-28 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2026-02-28 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2026-01-31 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2025-12-20 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2025-11-22 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2025-10-25 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2026-03-15 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2026-02-15 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2026-01-18 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2025-12-14 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2025-11-16 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New high school contest listing: 2025-10-19 in Online, XX. See https://mathleague.org/hsevents.php for more details.

New middle school contest listing: 2026-03-29 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2026-03-01 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2026-02-01 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2025-12-21 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2025-11-23 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2025-10-26 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2026-03-21 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2026-02-21 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2026-01-24 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2025-12-13 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2025-11-15 in Online, XX. See https://mathleague.org/msevents.php for more details.

New middle school contest listing: 2025-10-18 in Online, XX. See https://mathleague.org/msevents.php for more details.

New elementary school contest listing: 2026-03-28 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2026-02-28 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2026-01-31 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2025-12-20 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2025-11-22 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2025-10-25 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2026-03-21 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2026-02-21 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2026-01-24 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2025-12-13 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2025-11-15 in Online, XX. See https://mathleague.org/esevents.php for more details.

New elementary school contest listing: 2025-10-18 in Online, XX. See https://mathleague.org/esevents.php for more details.

Results from the 2025-07-24 number sense challenge contest are now online at mathleague.org

Results from the 2025-07-17 number sense challenge contest are now online at mathleague.org

Results from the 2025-07-10 number sense challenge contest are now online at mathleague.org

Results from the 2025-07-07 elementary school contest in Denpasar, IDN, are now online at https://mathleague.org/results/elementary/viewresults.php?event=12916

Results from the 2025-07-07 elementary school contest in Denpasar, IDN, are now online at https://mathleague.org/results/elementary/viewresults.php?event=12916

Results from the 2025-07-07 high school contest in Denpasar, IDN, are now online at https://mathleague.org/results/highschool/viewresults.php?event=12913

Results from the 2025-07-07 high school contest in Denpasar, IDN, are now online at https://mathleague.org/results/highschool/viewresults.php?event=12913