fourth grade along with PEMDAS to write out the correct equation. The three standards along with the example problems build onto one another. The skills increase each year in difficulty as to what the student is required to know and do with whole numbers using the order of operations. B.Watch the “Grade 6 Math: Introduction to Integers” video and do the following:1.Explain how the introductory activity assesses prior knowledge.2.Describe how the teacher effectively integrates relevant vocabulary terms into the lesson using examples from the video.3.Explain how the visual aids and real-world examples in the observed lesson work together to illustrate the meaning of zero.