Comparing Numbers

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M2N1 Students will understand the place value representation of whole numbers through four digits.
a. Represent numbers using a variety of models, diagrams, and number sentences (e.g., 4703 represented as 4,000 + 700 + 3, 47 hundreds + 3, or 4,500 + 203).
b. Understand the relative magnitudes of numbers using 10 as a unit, 100 as a unit, or 1000 as a unit. Represent 2-digit numbers with drawings of tens and ones and 3-digit numbers with drawings of hundreds, tens, and ones.
c. Use money as a medium of exchange. Count back change and use decimal notation and the dollar and cent symbols to represent a collection of coins and currency.
M2N5 Students will represent and interpret quantities and relationships using mathematical expressions including equality and inequality signs (=, <, >).
a. Include the use of boxes or ___ to represent a missing value.
b. Represent problem-solving situations where addition, subtraction, or multiplication may be applied using mathematical expressions.
M2P1 Students will solve problems that arise in mathematics and in other contexts.
a. Solve non-routine word problems using the strategies of use or look for a pattern or guess and check as well as all strategies learned in previous grades.
b. Solve single step routine word problems related to all appropriate second grade math standards.
c. Determine the operation(s) needed to solve a problem.
d. Determine the most efficient way to solve a problem (mentally, paper/pencil, or calculator).
M2P2 Students will investigate, develop, and evaluate mathematical arguments.
M2P3 Students will use the language of mathematics to express ideas precisely.
M2P4 Students will understand how mathematical ideas interconnect and build on one another and will apply mathematics in other content areas.16
M2P5 Students will create and use pictures, manipulatives, models, and symbols to organize, record, and communicate mathematical ideas.