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# 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

Add and subtract whole tens to/from 2-digit numbers (review lesson for early 2nd grade)

Even & odd numbers

Doubling

One-half of a number

## Chapter 2: Telling time/clock

Tell the time to the nearest five minutes

Tell the time using "past" and "till"

Elapsed time — 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

Mental addition — add a 2-digit and a 1-digit number (with regrouping)

Regrouping with tens (carrying to tens) — two-digit addition

Add three or four single-digit numbers mentally

## Chapter 5: Fractions and geometry

Easy fractions

Comparing fractions visually

Rectangles and squares and geometric patterns

## Chapter 6: Place value and three-digit numbers

Place value and three-digit numbers (2 videos)

Bar graphs and pictographs

## Chapter 7: Measurement

Meters and kilometers — grade 2

## Chapter 8: Regrouping in Addition and Subtraction

Regrouping in addition: 10 tens is regrouped as one hundred

Regrouping twice in addition (3 digit numbers)

Regrouping in subtraction (2-digit numbers)

Word problems with Mathy and Giganto (mammoth mascots)

Strategies for mental subtraction

Regrouping one hundred as 10 tens in subtraction

Word problems and puzzles — 3-digit subtraction

## Chapter 9: Money

Making change (money lesson)

Counting up to make change

## Chapter 10: Exploring Multiplication

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