LI : To make four questions about the math strategies
Today I did maths I did four questions,As you can see I did addtion and subtratsion why you may say,well it was to make it eazyer to do the questions now some were to slove like the 203 + 187 question.I use the 3 form the 200 and I used the 87 form 100 to do it make 90 and I made the 200 and 100 go together so it made 300 and added the 90 to the 300 to make 390.
