Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Basic Subtraction

Pre-K - 1st Standards
This video covers a short review of addition, followed by basic subtraction concepts. Practice problems are available. [8:32]
Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Basic Addition

Pre-K - 1st Standards
This video introduces basic addition concepts using objects and number lines to represent and add numbers. Practice problems are available. [7:42]
Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Subtraction 2

Pre-K - 1st Standards
This video provides an overview of subtraction. Practice problems are available. [12:32]
Instructional Video
Scholastic

Scholastic: Study Jams! Math: Subtract With Regrouping

1st - 4th Standards
Practice subtraction with regrouping with this interactive lesson.
Instructional Video
Math Mammoth

Math Mammoth: Subtraction and Addition in the Same Picture

1st Standards
This video demonstrates how addition and subtraction are related when looking at the same set of objects and models how to solve several problems. [8:13]
Instructional Video
Khan Academy

Khan Academy: Addition and Subtraction Within 10

1st Standards
The video describes how to solve basic addition and subtraction problems within 10 where students have to fill in the blank to complete the math sentence.
Instructional Video
Math Mammoth

Math Mammoth: Fact Families: Addition and Subtraction

1st Standards
This lesson explains what fact families are and how to use them to answer related arithmetic facts. It also models how to solve two word problems. [7:54]
Instructional Video
Math Mammoth

Math Mammoth: Add and Subtract Whole Tens

1st Standards
Teaches how to add and subtract multiples of ten. [5:07]
Instructional Video
Mucho Math

Algebra2go: Introduction to Subtraction

1st - 6th Standards
Subtraction is visually demonstrated on a number line. Negative numbers are included in this video.
Instructional Video
Khan Academy

Khan Academy: Arithmetic Properties: Commutative Law of Addition

1st - 4th Standards
This video explains the commutative law of addition. Practice problems are available. [1:40]
Instructional Video
Khan Academy

Khan Academy: Addition and Subtraction With Number Lines

1st - 3rd Standards
Watch as Sal figures out which number line matches up with a 2-digit addition or subtraction problem. [1:52]
Instructional Video
Math TV

Math Tv

K - 1st Standards
Helpful math video tutorials covering topics related to whole numbers including addition, division, estimation, expanded form, exponents, multiplication, order of operations, subtraction, rounding, and more. Choose a teacher and watch...
Instructional Video
Khan Academy

Khan Academy: Add and Subtract: Pieces of Fruit

K - 1st Standards
Demonstrates how to add and subtract pieces of fruit using the numbers 5 and 3. [2:17]