Instructional Video
Khan Academy

Khan Academy: Comparing Whole Numbers

1st - 3rd Standards
Sal compares 394 and 397 and then writes the expression using < or >. Includes a video, transcript, and question and answer section. [2:04]
Instructional Video
Math Mammoth

Math Mammoth: Add a 2 Digit Number and a 1 Digit Number Mentally: No Regrouping

1st - 2nd Standards
Uses visual representations to model how to solve the addition of a 2-digit and a 1-digit number where there is no regrouping. [9:10]
Instructional Video
Khan Academy

Khan Academy: Greater Than and Less Than Symbols

1st - 2nd Standards
Understand how to compare numbers using the greater than symbol ">" and the less than symbol "<". [5:03]
Instructional Video
Math Mammoth

Math Mammoth: Naming and Writing Two Digit Numbers

1st Standards
In this lesson, students learn how to assign place value to two-digit numbers, how to write numbers as groups of tens and ones, and how to match place value to sets of dots. [5:13]
Instructional Video
Mucho Math

Algebra2go: Digits and Place Value: Part 2

K - 1st Standards
This video will use expanded forms of numbers to help students understand place value. Additionally students will learn how to write numbers as word statements.
Instructional Video
PBS

Pbs: Odd Squad: Ms. O Tries to Be Nice

K - 1st Standards
Learn about comparing numbers in this fun clip from the Odd Squad. Ms. O desperately wants to get back on Santa's nice list before Christmas. With a little help from Oscar, will she get there in time?
Instructional Video
PBS

Pbs: Odd Squad: Ms. O, Naughty or Nice?

K - 1st Standards
Learn about comparing numbers in this fun clip from the Odd Squad. On Christmas Eve, Ms. O finds out that she is still on Santa's naughty list.
Instructional Video
PBS

Pbs Learning Media: Peg+cat: Eid Al Adha Adventure

K - 1st Standards
In this video [4:12], join Peg+Cat as they learn about the Muslim holiday Eid-Al-Adha from their friends Yasmina and Amir. In addition to exploring how Muslims celebrate the holiday, students also explore the mathematical concepts of...