Place Value: Addition

Author:Austen Meek

First add the two numbers by regrouping--don't use the standard algorithm. Check you answer. Relate the process of regrouping to the steps in the standard algorithm.

New Resources

Golden Rectangles and Golden Spirals
Balls in an Urn
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Morse code visualizer / decoder
bewijs stelling van Pythagoras

Discover Resources

Addition of Fractions
Trefoil Knot
Mr.V's BCHS Geometry Book
Tabogan Jocas

Discover Topics

Frequency Distribution
Pythagoras or Pythagorean Theorem
Median Line
Reflection
Orthocenter