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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!


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Math Mammoth Tour


Confused about the different options? Take a virtual email tour around Math Mammoth! You'll receive:

An initial email to download your GIFT of over 400 free worksheets and sample pages from my books. Six other "TOURSTOP" emails that explain the important things and commonly asked questions concerning Math Mammoth curriculum. (Find out the differences between all these different-colored series!)

This way, you'll have time to digest the information over one or two weeks, plus an opportunity to ask me personally about the curriculum.
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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 teaching math, including:

- How to help a student who is behind
- Troubles with word problems
- Teaching multiplication tables
- Why fractions are so difficult
- The value of mistakes
- Should you use timed tests
- 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 A monthly collection of math teaching tips & Math Mammoth updates (unsubscribe any time)
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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.

Maria's Math Tips


Enter your email to receive math teaching tips, resources, Math Mammoth news & sales, humor, and more! I tend to send out these tips about once monthly, near the beginning of the month, but occasionally you may hear from me twice per month (and sometimes less often). smile

Peek at the previous tips here.

You will also receive:

  • A GIFT of over 400 free worksheets and sample pages from my books. smile
We respect your email privacy.