## Playing the Game - Section 2: Teaching the Lesson

Playing the Game
Playing the Game

# Estimation - an introduction

Unit 17: Getting Better at Addition and Subtraction
Lesson 3 of 12

## Big Idea: Estimation allows students to reflect on the accuracy of their own solutions. It provides a perspective for critiquing the chosen strategies and outcomes when solving problems.

Print Lesson
Standards:
Subject(s):
Math, Number Sense and Operations, estimate, addition, Operations
50 minutes

### Beth McKenna

##### Similar Lessons

###### 10, 20, 100 Day 2
1st Grade Math » Complements of 10 and 20
Big Idea: Students will use dice to roll a number and then find the complement to make 10, 20 or 100.
Favorites(1)
Resources(15)
Waitsfield, VT
Environment: Suburban

###### Domino Addition: Understanding the Part/Part/Whole Relationship
Big Idea: The big idea of this lesson is the understanding that addition can be represented as parts of a whole and that we can use addition sentences to represent those parts.
Favorites(19)
Resources(20)
Pepperell, MA
Environment: Rural