4th 5th Grade end of the year math review activities or early finishers activities for multiplication - no prep puzzles worksheets: 8 fun math code breaker or crack the code type puzzles (mystery word) for doubling, times tables fluency, multiplying by 10, 100, 1000, and multiples of 10, 100, 1000 - including multiplying decimals. Upper elementary / Grade 4 5. Review in 6th Grade. Warm ups, math centers, stations, extension challenges, bell ringers, morning work, extra practice, emergency sub pl