Percent of Change  

出　　处：《中学生数学》2022年第20期F0003-F0003,共1页

摘　　要：Hands-on Mini Lab Work with a partner.You can use paper strips to model a 50%increase·Begin with two paper strips.On each strip,label 0%on the left side and 100%on the right side.Fold one of the paper strips in half.Mark 50%in the center.Cut the second strip at the 50%mark and tape the piece onto the end of the first strip.The new longer strip represents a 50%increase or 150%.

关 键 词：STRIP center. PARTNER 

分 类 号：TG3[金属学及工艺—金属压力加工]