Free 2nd grade math video lessons
This is a collection of free math videos for 2nd grade, showing varied exercises for each topic. The videos match Math Mammoth Grade 2 curriculum but will also work no matter which curriculum you follow (in other words, the videos don't rely on you having Math Mammoth curriculum).
These videos are usable for students, teachers, and parents. You can use them...
- To learn these topics yourself (if you're a student for example, or an adult needing a refresher)
- As lesson plans for teaching these topics. Often, one video from below can be made into several lessons with students.
Please choose a topic from the list. The chapters refer to Math Mammoth Grade 2 curriculum.
Chapter 1: Some Old, Some New
Review: add and subtract whole tens to/from 2-digit numbers (review lesson for early 2nd grade)
Chapter 2: Telling time/clock
The minutes – telling the time to the nearest five minutes
Telling time: "past" and "till"
How many hours pass? – elapsed time in whole hours
Chapter 3: Addition and Subtraction Facts Within 0-18
Difference, subtraction, and "How many more" additions
Number rainbow & fact families with 11
Number rainbow & fact families with 12
Number rainbow & fact families with 13
Number rainbow & fact families with 14
Chapter 4: Regrouping in Addition
Add a 2-digit number and a single-digit number mentally – no regrouping
Mental addition of two-digit numbers
Add three or four single-digit numbers mentally
Chapter 5: Fractions and geometry
Rectangles and squares and geometric patterns
Chapter 6: Place value and three-digit numbers
Three-digit numbers, place value, expanded form, 3-digit numbers on a number line (2 videos)
Add and subtract multiples of 100 (mental math)
Mental math: Add and subtract multiples of ten
Chapter 7: Measurement
Measure length to the nearest centimeter
Measuring length to the nearest half-inch
Chapter 8: Regrouping in Addition and Subtraction
Regrouping 10 tens as one hundred
Regrouping twice in addition (3 digit numbers)
Regrouping in subtraction, parts 1 and 2 (with 2-digit numbers)
Regrouping in subtraction, part 3 – includes word problems with Mathy and Giganto (mammoth mascots)
Mental subtraction, parts 1 and 2 – strategies for mental subtraction
Regrouping one hundred as 10 tens in subtraction
Regrouping one hundred as 10 tens in subtraction: word problems and puzzles
Chapter 9: Money
Chapter 10: Exploring Multiplication
Multiplication as repeated addition