I wrote these 12 problems for my 4th graders. The pacing roughly follows the enVision math book, but these are also stand-alone problems. Each problem has 3 number sets to help you differentiate instruction, as well as an extension problem for extra challenge. The skills they encompass are: problem solving, multi-step problems, part/part/whole, 2 and 3 digit multiplication with and without zeroes, rounding, estimation, division. These problems are ready to print or you can change the names to yo