Math Mammoth
Math Mammoth: Adding Three or Four Single Digit Numbers Mentally
In this lesson, students are shown strategies for adding several single-digit numbers in their heads. [7:12]
Math Mammoth
Math Mammoth: Add a 2 Digit Number and a 1 Digit Number Mentally: No Regrouping
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]
Math Mammoth
Math Mammoth: Mental Math: Add and Subtract Multiples of Ten
This video goes over how to add and subtract multiples of ten to or from a 3-digit number. [9:54]
Math Mammoth
Math Mammoth: Add and Subtract Multiples of 100: Mental Math
Learn how to add and subtract multiples of a hundred when working with 3-digit numbers. [8:14]
CK-12 Foundation
Ck 12: Elem Math: One Step Conversions Between Hundreds Tens and Ones
[Free Registration/Login may be required to access all resource tools.] The video uses place value to determine the number of hundreds given a specific number of ones. The video is followed by a series of practice questions to assess...
PBS
Pbs: Odd Squad: Tracking the Number Hog
Olive and Otto learn about using zero in the ones and tens place of numbers to make numbers bigger. Will this help them track down the Number Hog?
Sophia Learning
Sophia: Even Numbers: Lesson 7
This lesson shows even numbers, or numbers which can be evenly divided by two. It is 7 of 13 in the series titled "Even Numbers."
Other
Write Numbers 0 20: Common Core Standard: Word Problem
The video gives a visual representation of writing numbers using word problems.