A Teens Board, showing the numerals '10' through '19'. Two boxes consists of lids and numeral 10 printed on nine of the number slots, and 9 wooden tablets where the numerals 1-9 printed on them.
Two Tens Board, showing the numerals '10' through '99'. Two boxes consists of lids and numeral 10-40 printed on one box and 50-90 printed on the second box. The boxes consists of nine movable wooden tablets numbered 1-9.
1Correct understanding of 11-19 and11-99 for several.
2Help children grasp the arrangement of several consecutive experience the several sequential relationship.
3Understand the relationship between the ten-digit, understand the amount and represents the number of symbols.
The word "consistency