BASE TEN BUILD AND TASK TASK CARDS 1 | 1st and 2nd grade math, tens and ones, perfect for small group / intervention!I love using this activity for my small group, math intervention, or whole group review when teaching building two-digit numbers with tens and ones. These can be easily printed and/or laminated to be reused with different classes/groups. This also includes a building mat, so students can put their manipulatives in the correct category, record their work, and then put their learn