Westcott Steel Measuring Office and School Ruler (10414BX)

if you give your students an object and a broken ruler that is a ruler that does not start at zero what do you think we might do this task is called the broken really task where students are given a ruler that does not start at zero to measure an object's this is a great assessment tool for both primary and junior students alike so assess their understanding of the zero point and if you understand what it means to measure not only how to measure in a study done by system Axew that focused just on sixth grade students they found that over half of the students believes that the ruler should be longer than the object being measured he also believes that if the rule did not start at zero the ruler is less broken and has lost function these student error is demonstrates their inability to conceptualize the idea there's a rooster that ticks SiC should be viewed as zero because it becomes init