Mathematics, Grade 2

Unit 1: Number

Counting and skip-counting to 200, even and odd numbers, numbers and place value to 100, coins, adding zero, and adding and subtracting to 100 with personal strategies and mental-math facts.

• Counting by 1s to 200
• Skip-counting by 2s, 5s, and 10s

• Even and odd numbers
• Showing numbers to 100
• Breaking numbers into parts
• Comparing and ordering to 100
• Estimating amounts to 100
• Place value: tens and ones
• Adding and subtracting zero

• Personal strategies for adding and subtracting
• Making and solving math stories
• Does order matter?
• Recalling addition facts to 18
• Think-addition to subtract

Unit 2: Patterns and Relations

Repeating patterns, increasing patterns, the meaning of equality and inequality, and recording equalities and inequalities symbolically.

• Describing and extending repeating patterns
• Creating and translating repeating patterns
• Describing and extending increasing patterns
• Creating increasing patterns

• What equality and inequality mean
• Writing = and ≠

Unit 3: Measurement

The calendar, choosing non-standard units, comparing objects by length, height, and mass, and measuring accurately with multiple copies of a unit.

• Days, weeks, months, and years

• Choosing a unit to measure
• Comparing objects by length, height, and mass
• Measuring accurately with copies of a unit

Unit 4: Geometry

Sorting by two attributes, recognizing and building 3-D objects and 2-D shapes, and finding 2-D shapes as parts of 3-D objects.

• Sorting by two attributes
• Naming and describing 3-D objects
• Comparing and building 3-D objects

• Naming and describing 2-D shapes
• Comparing and building 2-D shapes
• Finding 2-D shapes on 3-D objects

Unit 5: Statistics and Probability

Gathering and recording data about self and others, and building and reading concrete graphs and pictographs.

• Asking a question and collecting data
• Building and reading concrete graphs
• Building and reading pictographs