2nd Grade Math Topics
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Topic 1: Understanding Addition and Subtraction
- Writing addition numbers sentences and story problems about joining.
- Writing subtraction number sentences and story problems about separating and comparing.
Topic 2: Addition Strategies
- Adding 0,1,2
- Adding two-digit and three-digit numbers
- Making 10 to add 9
- Making 10 to add 8
Topic 3: Subtraction Strategies
- Subtracting 0,1,2
- Thinking addition to subtract doubles
- Finding the missing part
Topic 4: Place Value – Numbers to 100
- Models for tens and ones
- Reading and writing numbers
- Using models and symbols to compare numbers
- Understand and using the terms “before, after, and between”
- Number patterns on a number chart
Topic 5: Counting Money
- Identify and count dimes, nickels, pennies
- Identify and count quarters and half-dollars
- Counting collections of coins
- Ways to show the same amount
- Identify and count dollars
Topic 6: Mental Addition
- Adding tens and ones
- Adding on a hundred chart
Topic 7: Mental Subtraction
- Subtracting tens
- Finding the missing parts of 100
- Subtracting on a hundred chart
- Adding on to subtract
Topic 8: Adding Two-Digit Numbers
- Regrouping 10 ones for 1 ten
- Models to add two-digit and one-digit numbers
- Adding two-digit numbers
- Adding three-digit numbers
Topic 9: Subtracting Two-Digit Numbers
- Regrouping 1 ten for 10 ones
- Models to subtract two and one-digit numbers
- Subtracting two and one-digit numbers
- Using addition to check subtraction
Topic 10: Using Addition and Subtraction
- Adding and subtracting money
- Estimating sums and differences
- Different ways to add and subtract
Topic 11: Geometry
- Relating plane shapes and solid figures
- Identifying flat surfaces, vertices and edges
- Making new shapes
- Cutting shapes apart
- Understanding and identifying congruent shapes
- Different ways to move a shape
- Symmetry
Topic 12: Fractions
- Wholes and equal parts
- Estimating fractional parts of a whole
- Fractions of a set
Topic 13: Measurement – Length and Area
- Exploring length
- Measuring length using nonstandard units
- Measuring inches, feet and yard
- Measuring Centimeters and meters
- Exploring perimeter and area
Topic 14: Measurement – Capacity and Weight
- Exploring capacity
- Measuring capacity using nonstandard units
- Measuring cups, pints, quarts, liters
- Exploring weight
- Measuring ounces, pounds, grams and kilograms
Topic 15: Time and Temperature
- Telling time to 5 minutes
- Telling time before and after the hour
- Estimating time
- Using a calendar
- Temperature: Fahrenheit and Celsius
Topic 16: Graphs and Probability
- Organizing data
- Pictographs, bar graphs, coordinate graphs
- Understanding and using the terms “likely and unlikely”
- Understanding and using the terms “certain, probable, and impossible”
Topic 17: Number and Patterns to 1,000
- Counting hundreds, tens, and ones
- Reading and writing numbers to 1,000
- Changing numbers by hundreds and tens
- Patterns with numbers on a hundred chart
- Comparing numbers
- Understanding and using the terms “before, after and between”
Topic 18: Three-digit Addition and Subtraction
- Estimating sums
- Models for adding three-digit numbers
- Adding three-digit numbers
- Estimating differences
- Models for subtracting three-digit numbers
- Subtracting three-digit numbers
Topic 19: Multiplication Concepts
- Repeating addition and multiplication
- Building arrays
- Writing multiplication stories
- Multiplying in any order