ETA? Cuisinaire, p/n eta 323 Green Foam Base Ten Flats, Set of 10, NEW Condition: Item is in “Brand NEW in Original Package”. Product Description: Green Foam Base Ten Flats, Set of 10 Base Ten Blocks Flats represent the numeral 100 with this hands-on manipulative Product Perks: Demonstrate place value and base ten concepts Represent the number 100 with this hands-on manipulative Soft, durable, and quiet foam material What To Teach: Adding and Subtracting - Developing the concept of addition and subtraction Multiplication and Division - Developing the concept of multiplication and division Number sense - Develop number concepts up to 10 and beyond Place Value - Differentiate number values Counting - Emphasize the relationship between groups of blocks Decimals - Explore and develop decimal concepts, compare decimals, and perform basic operations with decimal numbers by letting the cube, flat, long, and unit represent 1, 0.1, 0.01, and 0.001, respectively. Logical Thinking - Exploring problem solving and spatial reasoning Learning About Base 10 Blocks (pdf): https://cdn.hand2mind dot com/productassets/BaseTenBlocks.pdf MPN: ETA 323 UPC: Reviews: https://cathyduffyreviews dot com/homeschool-reviews-sorted-by/homeschool-reviews-by-publisher/9-eta-hand2mind Videos: https://www.youtube dot com/watch?v=Y7qkyMyanjU Shipping Dimensions: 15 x 11 x 1” Shipping Weight: 0' 12” before packing 0” 15.6” after packing