2nd grade math
Learn second grade math—addition and subtraction with regrouping, place value, measurement, shapes, and more. (aligned with Common Core standards)
8 units91 videos5 hours
Learn it live with a class on Puzzicle · Teachers: use it with your class
Unit 1: Add and subtract within 20
Add within 20
Add using arrays
Subtract within 20
Add and subtract within 20
Adding within 20 using place value blocks ✓ Check-ins1:24
Adding within 20 using ten frames ✓ Check-ins2:38
Subtract within 20 using place value blocks ✓ Check-ins1:19
Subtract within 20 using a number line ✓ Check-ins1:20
Addition and subtraction word problems: gorillas ✓ Check-ins5:32
Addition and subtraction word problems: superheroes ✓ Check-ins3:38
Unit 2: Place value
Intro to place value
Numbers in standard, word, and expanded form
Regroup whole numbers
Comparing 2 and 3 digit numbers
Even and odd numbers
Counting patterns within 1,000
Unit 3: Add and subtract within 100
Visually adding within 100
Strategies for adding within 100
Visually subtract within 100
Addition and subtraction: missing values
Addition and subtraction within 100 word problems
Addition and subtraction within 100 word problems (multi-step)
Unit 4: Add and subtract within 1,000
Visually adding within 1,000
Strategies for adding within 1,000
Strategies for subtracting within 1,000
Adding up to four 2-digit numbers
Unit 5: Money and time
Unit 6: Measurement
Units of length
Measure lengths
Estimate lengths
Unit 7: Data
Unit 8: Geometry
Shapes
Equal parts of shapes
Learn this with a class
With a class on Puzzicle this course runs as a timetable of live study parties: your batch watches together and answers the check-ins, sometimes with a teacher leading.
Course content © Khan Academy, used under CC BY-NC-SA. See this course on Khan Academy.