Use whole group, small group, or in centers.
Print on color card-stock, laminate or place in a clear plastic sleeve. Students use dry erase marker.
Students shake a container of red/yellow counters. They spill them onto the work mat in the largest circle. They count them and write the number in the correct space in the number sentence. They sort the yellow and red in the two spaces, count them, and write the number in the correct space in the number sentence.
Write, wipe, and play again and again!