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Free 1st grade math video lessons

This is a collection of free math videos for 1st grade, showing varied exercises for each topic. You can view them here on my site or at my YouTube channel (www.youtube.com/user/mathmammoth). The videos match Math Mammoth Grade 1 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.

Addition of single-digit numbers

Learn to write sums with + and =

Addition with missing numbers (missing addend)

Addition of three numbers

Number line addition

Compare numbers and sums

Addition facts within 10 — six video lessons


Subtraction and related concepts

Two subtractions from one addition

Connection between subtraction and addition

Fact families

The concept of "how many more"

"How many more" problems and difference


Place value

The "teen" numbers

Naming and writing 2-digit numbers

Add and subtract whole tens (e.g. 20 + 70 or 80 − 40)

Bar graphs


Addition and subtraction of two-digit numbers

Add a 2-digit number and a single-digit number mentally - no regrouping

Add and subtract 2-digit numbers without regrouping

Mental math trick with nine and eight

Pictographs


Time and measuring

Measuring length: whole inches

Measuring length — whole centimeters


Tell the time — whole and half hours

AM and PM (morning and afternoon) hours


Geometry and fractions

Basic shapes

Halves, quarters — and thirds too!


Math Mammoth Tour


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An initial email to download your GIFT of over 400 free worksheets and sample pages from my books; 6 other emails on 6 subsequent days that describe the different series of Math Mammoth products, answering the most commonly asked questions, including "What is the difference between all these different-colored series?"

This way, you'll have time to digest the information over one week, plus an opportunity to ask me personally which book would be right for your child or students.

Note: You will FIRST get an email that asks you to confirm your email address. If you cannot find this confirmation email, please check your SPAM/JUNK folder.

"Mini" Math Teaching Course


This is a little "virtual" 2-week course, where you will receive emails on important topics on mathematics education. The topics include:

- Teaching multiplication tables
- Why fractions are so difficult
- How to help a student who is behind
- Should you use timed tests
- The value of mistakes
- And more!

You will also receive a GIFT of over 400 free worksheets and sample pages from my books right in the very beginning. smile

Note: You will FIRST get an email that asks you to confirm your email address. If you cannot find this confirmation email, please check your SPAM/JUNK folder.

Join over 25,000 others!


Maria's Math Tips is my email publication that comes out usually once a month. It's filled with math teaching resources, Math Mammoth news & discounts, humor, giveaways, and more! The content is equally good for all of us who teach math.

Peek at the previous volumes here.

By subscribing you will also receive:

  • A GIFT of over 400 free worksheets and sample pages from my books.
  • Once or twice a year, you may also receive an email where I promote something from Inspire4.com — I simply want to spread the word about it.

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