Second Grade Mathematics Content Standards
Standards are met in the areas of:
- number and operation
- geometry and measurement
- function and algebra, statistics and probability
- problem solving and mathematical reasoning
- and mathematical communication.
Second grade students are expected to:
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Number and operations
- Count, read, and write numbers up to 1000, e.g. ones, twos, fives, tens, hundreds
- Recognize place value
- order and compare numbers up to 1000 using <, =, >
- represent numbers in words, models, and expanded form
- Solve word problems using addition and subtraction appropriately
- Use knowledge of place value to find answers to 2 and 3 digit addition and subtraction problems
- Apply the regrouping method to 2 and 3 digit addition and subtraction problems
- Understand and use inverse relationship between addition and subtraction
- Estimate to compute and solve problems (ones, tens, hundreds, thousands)
- Identify fractions
- recognize, name and compare unit fractions from 1/12 to 1/2
- identify one whole equivalents (four fourths, three thirds)
- Model and solve simple concepts of multiplication and division
- apply knowledge of 2’s, 5’s, and 10’s to solve problems
- use repeated addition, arrays and counting by multiples to do multiplication
- use repeated subtraction, equal sharing and forming equal groups with remainders to do division
- Students model and solve problems by representing, adding, and subtracting amounts of money
- Solve problems using combination of coins and bills and make correct equivalences
- Know and use the decimal notation and the dollar and cent symbols for money
Geometry and measurement
- Identify 2 and 3 dimensional geometric shapes
- Sort and describe shapes by common attributes
- Construct new shapes by putting shapes together or taking shapes apart
- Use different units (standard, nonstandard, and metric) to measure and compare objects
- Measure length to the nearest unit
- Tell time
- Tell time to the nearest quarter hour
- know time relationships (minutes/hour, days/month, weeks/year)
- determine the duration of intervals of time in hours
- Identify, count, and solve problems using combinations of coins and bills
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Function and Algebra
- Students model, represent, and interpret number relationships to create and solve problems involving addition and subtraction
- Use the commutative and associative rules to simplify mental calculations and to check results
- Relate problem situations to number sentences involving addition and subtraction
- Solve addition and subtraction problems by using data from simple charts, picture graphs, and number sentences
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Statistics and Probability
- Collect, organize, and construct data in simple graphs and tables
- Identify, build and extend linear patterns to solve problems
- Represent same data in more than one way
- Use data to solve problems
- Compare data in order to make true statements about simple graphs; identify range and mode
- Predict if something is likely or unlikely based on available information
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Problem solving and mathematical reasoning
- Use manipulatives or drawings to model problems
- Decide on an approach to find a correct solution and explain thinking in written and verbal form
- Show solutions in more than one way
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Mathematical communication
- Use appropriate mathematical terms and vocabulary
- Understand verbal and simple written directions