Investigating Number Properties
Young mathematicians investigate the commutative property of addition using manipulatives. They show that subtraction and addition are inverse operations.
1st - 3rd Math 3 Views 40 Downloads
Solve Multiplication Problems: Using Repeated Addition
While young mathematicians are still working to memorize their multiplication facts, teach them how to use repeated addition when solving multiplication problems. The second video in a series models this skill with multiple examples,...
5 mins 2nd - 4th Math CCSS: Designed
Add Up To Four 2-Digit Numbers by Using Addition Facts and Friendly Numbers
Learning to recognize friendly numbers is a big step in developing fluency with addition. Looking at multiple real world examples, the instructor models how to rearrange addition number sentences and use friendly numbers to quickly and...
5 mins 1st - 3rd Math CCSS: Designed
Solve for Unknowns: Using the Commutative Property
Though it can be difficult for children to pronounce, the commutative property is a relatively simple concept to understand. The first video in this seven-part series explores how the order of numbers does not matter when adding them...
4 mins 2nd - 4th Math CCSS: Designed
Study Jams! Properties of Addition
Zoe from the StudyJams! crew brings the properties of addition to life by clearly explaining the meaning of the associative, commutative, and identity properties as she collects photos for an album. Listen to the included karaoke song...
1st - 3rd Math CCSS: Adaptable
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