Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Level 2 Addition
A video explaining addition of a two-digit number and a one-digit number using the addition algorithm, objects and number lines. Practice problems are available. [9:47]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Basic Addition
This video introduces basic addition concepts using objects and number lines to represent and add numbers. Practice problems are available. [7:42]
Khan Academy
Khan Academy: Addition Word Problems Within 10
Sal solves word problems by adding small numbers of objects (numbers 10 or less). Includes a video, transcript, and question and answer section. [1:41]
Khan Academy
Khan Academy: Subtraction Word Problems Within 10
Sal solves a word problem about sharks by subtracting numbers less than 10. Includes a video, transcript, and question and answer section. [1:02]
Khan Academy
Khan Academy: Comparing Numbers on the Number Line
Sal uses a number line to compare numbers less than or equal to 10. Includes a video, transcript, and question and answer section. [1:30]
Khan Academy
Khan Academy: Addition Word Problems Within 10
The video discusses examples of addition word problems that add small numbers (numbers 10 or less).
Khan Academy
Khan Academy: Subtraction Word Problems Within 10
The video describes how to solve word problems by subtracting small numbers (numbers 10 or less).
Khan Academy
Khan Academy: Getting to 10 by Filling Boxes
The video shows how to add two numbers to make 10. He uses 3 + ___ = 10 and 6 + ___ = 10 as examples.
Khan Academy
Khan Academy: Comparing Numbers of Objects
The video uses pictures to explain the concept of more than, less than, or the same as.
Khan Academy
Khan Academy: Comparing Numbers on the Number Line
The video uses a number line to compare numbers less than or equal to 10.
Other
Corbettmaths: Videos and Worksheets for Math
Click on Videos to find Videos and Workshops for math videos, practice questions, and textbook exercises for math. It includes shapes, addition, algebra, Algebraic fractions, Angles, Area, Averages, and much more. Answers are provided.
![Freckle Education: [k.oa.3 1.0] Decompose Less Than 10 Common Core Standard Instructional Video](https://content.lessonplanet.com/knovation/original/410028-48ffcee99064fea3b4649f4e64e26570.jpg?1661611789 "Freckle Education: [k.oa.3 1.0] Decompose Less Than 10 Common Core Standard Instructional Video")
Curated Video
Freckle Education: [k.oa.3 1.0] Decompose Less Than 10 Common Core Standard
This video demonstrates how to decompose the number 5. [1:15]
Jack Hartmann
Jack Hartmann: Subitize Up to 5
Subitize is the ability to tell the number of objects in a set, quickly, without counting. In this subitizing song, watch how easy it is to name the numbers in each set of dots, ten frames, and fingers. [4:15]
Khan Academy
Khan Academy: Add and Subtract: Pieces of Fruit
Demonstrates how to add and subtract pieces of fruit using the numbers 5 and 3. [2:17]