I would print the cards representing units in a particular period the same color. More Place Value Ideas - FREE printable - Example on extending learning beyond an ipad game with the use of FREE printable resource
Telling Time Bingo Game (to the hour and half hour). This game would be a fun and easy way to work on telling time. Telling time is a large math concept that comes in first grade and this activity would help make it more enjoyable for the first graders.
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