This learning resource focuses on reviewing addition strategies suitable for early learners. It covers simple addition facts, including those involving +0, +1, +2, doubles, doubles +1, and the 'Make a Ten' strategy for adding +9 and +10. The resource is structured into sections where learners solve horizontal and vertical addition equations, apply mental math strategies using visual aids like ten-frames and bar models, and engage in a mixed review of addition facts. It reinforces the understanding of concepts like the doubles strategy and gives challenges for students to create their own addition equations. Throughout the resource, various problem sets encourage mental math practice, enhancing the students' arithmetic skills in a structured and interactive manner.