Content Standard: K. Mathematical Communication
Students will reflect upon and clarify their understanding of mathematical ideas and relationships.
Common Assessment(s) MAP Tasks, Snow People, Potato Harvest Time or LAD task, Band-Aid Alien

Performance Indicators Students will be able to:	Essential Elements			Suggested Performance Activities	Suggested Classroom Assessments	Vocabulary
1. Use numerals and symbols (>, <, =, +, -) to report numerical data and relationships.	Write,draw or describe numbers or symbols that represent a number sentence or mathematical idea			Students will practice buying objects in the room. They will draw their problem and a write a number sentence that reports the purchase. Given a list of objects and a certain amount of money, students will list objects they can buy and how much they cost. They will tell how many objects they can buy and what they can not buy using numerical sentence. Resources: Houghton Mifflin, 1995, Assessment 27B See F. Indicators 1 and 2 Measurement for more practice See C.2 Data Analysis and Statistics - Tally and graphs of information gathered from immediate surroundings Resources: Interactive math word problems http://www.bathpu blicschools.com/ fms/grade2/cooki es/ckhome.html> This contains samples of a variety of problems and solutions	Given a word problem, the student will write number sentences and/or charts, graphs, etc. to explain the answer(s) to the problem. Resources: See B.1, B .2, B .3 Estimate and calculate See A .2 Numbers and Number Sense See H .1 and H .2 Algebra Concepts See G .2 and G .3 Patterns, Relations, Functions There are several tasks that meet the standard at MAP Tasks This link brings you to MAP Tasks (Maine Assessment Portfolio Tasks includes the task, teacher notes and scoring rubric.). Click on select a Discipline. Then select Mathematics Grade PK-2. We Set the Standards, Exemplars Math K-8 Volume 7, 1999-2000 271 Poker Hill Rd., Underfill, VT 05489 Exemplars Fall 1999, p 39- 51 The Salad Bar Given items of salad bar and their value, the student will decide what he/she can purchase using specific amount of money. The will tell what they can buy and what they can not buy. The response will include number sentences.	symbol data equal plus minus equal = add + subtract - greater than > less than < Dollar $ cent $ . number sentence example equation answer sum difference