Add and Subtract Within 100: Practice 66

In this Grade 2 lesson on Add and Subtract Within 100, you will practice solving problems like: "Aiden has 21 rocks. Aiden gets 45 more. How many rocks does Aiden have now?". Work through each problem carefully, use the hints if you need help, and check your answers. This builds your understanding of add and subtract within 100 step by step.