6 multiplayer classroom games aligned to Common Core standard 4.OA.B.4 (often written 4.OA.4). Pick one to practice this standard with your whole class on a smartboard or Chromebooks, with no student logins. Every game has a free demo.
The Thanksgiving edition of Who's Multiplying? Cranberry and Pumpkin each move a chip on the 1–9 corn row, multiply the two chips and serve that plate. Get four plates in a row to win.
Bring a number to exactly zero in five steps, each with one operation and one digit from 1 to 9. Teams take turns, earn bonus points for using all four operations, and talk through their paths.
Break the Composite King's army into primes to defend the fortress, with a factor tree students build by tapping.
A single-player factors and multiples game for 4th grade. Fence grass squares into rectangle pens, find every factor pair, spot primes and multiples, and finish with a skills report for 4.OA.B.4.
A team review game for every 4th Grade math standard. Teams claim tiles on a map by answering questions, and can steal each other's tiles. Play a full review or pick the standards you want. The results show % correct for each standard.
Each player moves their own chip on the 1–9 row. Multiply the two chips, cover the product in your color, and get four in a row before your rival.
The All-Access Teacher License includes every game, every grade and all future games.