Mathematics, Grade 2

Unit 1: Number

Skip-counting and place value to 100, even and odd numbers, ordinals, and addition and subtraction to 100 with mental-math strategies.

• Skip-counting by 2s, 5s, and 10s to 100
• Skip-counting from tricky starting points

• Even and odd numbers
• Ordinal numbers and position

• Showing numbers to 100
• Compatible pairs to 20 and 50
• Comparing and ordering numbers to 100
• Estimating quantities to 100
• What each digit means
• Counting in tens and ones

• Adding and subtracting zero
• Personal strategies for adding and subtracting to 100
• Making and solving addition and subtraction problems
• Does order matter?
• Doubles and making 10
• More, less, and using addition to subtract

Unit 2: Patterns and Relations

Predicting elements in repeating patterns, increasing patterns, and equality and inequality with the equal and not-equal symbols.

• Predicting elements in a repeating pattern
• Describing and extending increasing patterns
• Creating increasing patterns

• Equal and not equal
• Writing equal and not-equal sentences

Unit 3: Shape and Space

Calendar and time relationships, non-standard measurement of length and mass, and sorting and describing 2-D shapes and 3-D objects.

• Reading the calendar
• Solving calendar and time problems

• Choosing a good measuring unit
• Comparing and ordering length and mass
• Measuring with many copies of a unit
• Measuring with one unit again and again
• Orientation does not change measurement

• Sorting by two attributes
• Describing and building 3-D objects
• Describing and building 2-D shapes
• Flat shapes on solid objects

Unit 4: Statistics and Probability

Gathering and recording first-hand data, and constructing and interpreting concrete graphs and pictographs.

• Gathering and recording data
• Making concrete graphs
• Making pictographs