Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Basic Subtraction
This video covers a short review of addition, followed by basic subtraction concepts. Practice problems are available. [8:32]
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: Arithmetic and Pre Algebra: Subtraction 2
This video provides an overview of subtraction. Practice problems are available. [12:32]
Khan Academy
Khan Academy: Addition and Subtraction Within 10
Sal solves addition and subtraction equations with number 10 or less. Includes a video, transcript, and question and answer section.
Khan Academy
Khan Academy: Adding 7 + 6
Sal demonstrates adding 7 + 6 using a number line. Includes a video, transcript, and question and answer section. [3:53]
Khan Academy
Khan Academy: Relating Addition and Subtraction
Sal demonstrates the relationship between addition and subtraction using objects. Includes a video, transcript, and question and answer section. [2:05]
PBS
Pbs Learning Media: Move That Math
Calculate the sum of the two cards on the screen to find out how many repetitions of each exercise to do. Then exercise along with the kids in the video to improve your mental math skills and fitness level at the same time. [5:34]
Khan Academy
Khan Academy: Recognizing Shapes
Learn the names of different shapes and how to recognize them. [6:08]
PBS
Pbs: Odd Squad: Mr. Frank's Flat Cart
Learn about the relationships between two- and three-dimensional objects with the Odd Squad. A new villain is on the loose, and he's flattening things around town. Olive and Otto are on the case!
PBS
Pbs: Odd Squad: How to Feed the Hamster
Oscar needs to calculate the value of an unknown number in a subtraction formula in order to feed the Odd Squad hamster.
PBS
Pbs: Odd Squad: Shape Crystals
Oscar shows how to count sides to determine different shapes, which is important when agents come into contact with a shape crystal.
PBS
Pbs: Odd Squad: Centigurps Love Spheres
Learn about identifying spheres and counting in bundles of fives with the Odd Squad. Oscar and Otto know that centigurps love spheres, so the agents focus their search on places where spheres can be found. They put the captured...
PBS
Pbs: Odd Squad: Disappearing Shapes
Learn about subtraction with the Odd Squad. Circles and triangles are disappearing everywhere, but why?
PBS
Pbs: Odd Squad: Centigurps Escape
Learn about spheres and the importance of following directions with the Odd Squad. Ms. O needs Otto to deliver a secret box to storage at headquarters, but he can't help but look inside. When he opens the box, he accidentally releases a...
Math TV
Math Tv
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...
PBS
Pbs: Odd Squad: General Pentagon's Alibi
Learn about shapes in this fun clip from the Odd Squad. General Pentagon tries to convince Otto that he didn't steal Lord Rectangle's birthday cake.
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]
Khan Academy
Khan Academy: Composing Shapes
Shows how shapes can be put together to make new shapes. [2:04]
Other
E Spark Learning: Composing Shapes Framing Video
Demonstrates how to put shapes together to make a new shape, e.g., two triangles to make a square, and asks students to do this on their own and record their ideas. [0:33]