Identity Property of Subtraction- Two Digit Numbers
In this elementary math activity, 2nd graders subtract zero from a two digit number to show that the difference remains the same as the minuend. They see a cartoon like coloring dinosaur on the page.
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Subtraction with 3-Digit Numbers #3
Get plenty of subtraction practice with 25 subtraction problems. Using their borrowing skills, second or third graders work through the first twenty problems, then solve five problems with decimals to the hundredths. A good opportunity...
2nd - 3rd Math CCSS: Designed
Grade 1 Supplement Set A3 - Number & Operations: Addition & Subtraction on the Number Line
Hop your way through a mathematical equation with your first grade class as they learn the idea of moving up and down the number line. Adding and subtracting like little frogs is an engaging and clever way to teach/reinforce this concept.
K - 2nd Math CCSS: Adaptable
Numbers and Operations: Addition and Subtraction Grade 2
Using unifix cubes, a spinner, a number line, and fact family triangles second graders will play their way to subtraction competency. They engage in a series of activities that has them playing game that require them to add and subtract...
2nd Math CCSS: Adaptable
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
How Do You Divide a Two-Digit Number by a One-Digit Number With No Remainder?
The instructor draws a diagram to represent a given value using base 10 blocks. She shows how to divide it up into groups just to give you a visual. She then demonstrates how to solve the problem using the long division method.
8 mins 2nd - 5th Math