Double Digit Subtraction
A Launch, explore, summarize lesson plan.
This is a lesson plan to use when introducing double digit subtraction using various strategies the children can think up such as base ten blocks, drawing pictures, breaking apart numbers, and using a 100s chart. It is an exploratory lesson plan, which enables automatic accommodation for low and high students. Each group of students can help each other with hard concepts, and if the group finishes early, there are also options for fast finishers.