Subtract From Two-Digit Numbers
In this subtraction learning exercise, students practice taking single digit values "away" from two digit numbers. There are ten subtraction problems on this one-page learning exercise.
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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
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