Little Baby Bum
Numbers Song—Number 2
Number 2 is star of a music video featuring a friendly duo that points out pairs of objects—gloves, ears, shoes, and more!
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.
Scholastic
Scholastic: Study Jams! Math: Subtract With Regrouping
Practice subtraction with regrouping with this interactive lesson.
Math Mammoth
Math Mammoth: Review: Adding and Subtracting Whole Tens
This video goes over how to add and subtract multiples of ten to or from a 2-digit number. [8:14]
Math Mammoth
Math Mammoth: Subtraction and Addition in the Same Picture
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]
Khan Academy
Khan Academy: Regrouping to Add 1 Digit Number
Demonstrates how to add 35 + 6 using drawings of base ten cubes to represent 1s and 10s and show the regrouping. [4:14]
Khan Academy
Khan Academy: Adding 8+7
Demonstrates how to count pieces of fruit and make a group of ten to find the sum of 8 + 7. [3:18]
Khan Academy
Khan Academy: Understand Place Value When Adding Ten
Demonstrates how to add two 2-digit numbers, with no regrouping, using drawings of base ten cubes to represent 1s and 10s. [3:16]
Khan Academy
Khan Academy: Addition and Subtraction Within 10
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.
Math Mammoth
Math Mammoth: Sums With 10 Addition Facts Lesson
Teaches strategies for learning the addition facts for ten. Students are then presented with an addition facts drill where they practice along to the video. This is followed by problems comparing sums and numbers and two word problems....
Math Mammoth
Math Mammoth: Sums With 7 Basic Addition Lesson
Teaches strategies for learning the addition facts for seven. Students are then presented with an addition facts drill where they practice along to the video. This is followed by addition problems, a word problem, and an arithmetic...
Math Mammoth
Math Mammoth: Sums With 8 Addition Lesson
Teaches strategies for learning the addition facts for eight. Students are then presented with an addition facts drill where they practice along to the video. This is followed by missing number and number line problems. [5:06]
Math Mammoth
Math Mammoth: Add and Subtract Whole Tens
Teaches how to add and subtract multiples of ten. [5:07]
Khan Academy
Khan Academy: Addition and Subtraction With Number Lines
Watch as Sal figures out which number line matches up with a 2-digit addition or subtraction problem. [1:52]
Khan Academy
Khan Academy: Adding 53+17 by Making a Group of 10
Watch as Sal adds 53+17 by breaking apart the numbers and making a group of 10. [3:04]
Khan Academy
Khan Academy: Adding 1 vs. Adding 10
Sal talks about the difference between adding 1 and adding 10 in this Khan Academy video. [2:16]
PBS
Pbs: Odd Squad: It's Picture Day!
It's Picture Day at Odd Squad, and Otto needs to use an equation to calculate how long he needs to wait in line.
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: Game Time!
Olive and Otto need to add multiple small numbers together in series. There's only one thing to do: go to the Mathroom.
PBS
Pbs: Odd Squad: Soundcheck
Learn about addition and subtraction in this fun clip from the Odd Squad. Otto's favorite band has a new song, "Take Away Four."
PBS
Pbs: Odd Squad: Giant Sighting
Oscar looks at patterns by using a number line, and makes predictions about a giant sighting in the area.
PBS
Pbs: Odd Squad: Why Are Shapes Disappearing?
Olive and Otto use counters to figure out how many objects are being taken away in a visit to the Mathroom.
PBS
Pbs: Odd Squad: Halfway From 30
In this video from Odd Squad, Olive and Otto must find some Shmumbertonium for a scientist to return to the real world. Olive remembers that there was a Shmumbertonium factory halfway through the comic book. But exactly how far away is...