The SNAP Math assessment created by the Chilliwack school district provides a framework for assessing discrete math concepts and includes a one-page number sense assessment for each grade level with an accompanying overarching rubric for assessing in k-7. The rubric provides a good framework that is tied to the BC provincial performance standards in math while isolating the number sense concepts as a standalone rubric. Having a standalone rubric for number sense is helpful in determining what proficiency should look like with developmentally appropriate or grade appropriate number sense tasks. My concern with this specific rubric is that it is a three-point scale when we report on a four point scale, the rubric is missing descriptors for students who are extending beyond grade level expectations. The descriptors for emerging (1), developing (2) and proficient (3) are clear for teachers, students and parents to follow and provide a strong picture of what is expected with some additional tools. When looking at the Understanding and solving which is related to composition and decomposition of numbers the rubric lists “grade appropriate operations” I would suggest having a list of grade appropriate operations students could be expected to use for each grade and when students demonstrate using ones in a higher grade level than their own such as a grade 4 squaring a number or using a square root which aren’t introduced for a few more years that being an opportunity for a fourth category on the rubric to represent extending.
grade 4 blank assessment: https://snap.sd33.bc.ca/sites/snap.sd33.bc.ca/files/2019-02/Grade%204%20NS%20and%20Op.pdf
rubric : https://snap.sd33.bc.ca/sites/snap.sd33.bc.ca/files/2019-02/Rubrics%20NS%20and%20Op.pdf
