vocabulary:
Addition: When you take two things and you count them as a whole group.
Add: Short name for addition.
Subtract: When you take some from a group to make two different groups.
Minus; Short name for subtractions.
Week: 30 Lesson ID:441
The Big Questions:
What is addition? What is subtraction? 

Objectives:

documents:
None for this lesson.
Lesson Standard:
CCSS.MATH.CONTENT.K.CC.B.5
Count to answer "how many?" questions about as many as 20 things arranged in a line, a rectangular array, or a circle, or as many as 10 things in a scattered configuration; given a number from 120, count out that many objects.
Assessment Tool:
Dr. Bernal will observe me as I work with the Websites to see if I understand the concepst of adding and subtracting.
441