Description: This Write the Room resource is designed to actively engage students in practicing and mastering the concept of making 10. A set of letter cards contains incomplete addition equations within 10, such as "4 + ___ = 10". The objective is for students to find the missing addend that, when added to the given number, makes 10. To accomplish this, students utilize strategies such as number combinations (e.g., 4 + 6), rainbow partners (e.g., 4 + 6), rainbow buddies (e.g., 6 + 4), or friend