## A Student Explanation of Working with 9s and 10s - Section 2: Lesson Centers

A Student Explanation of Working with 9s and 10s
A Student Explanation of Working with 9s and 10s

# From Tens to Nines

Unit 2: Adding and Subtracting the Basics
Lesson 12 of 18

## Big Idea: Fluency in adding and subtracting is expected during second grade. New strategies to add and subtract efficiently provide students with a variety of options to increase fluency.

Print Lesson
6 teachers like this lesson
Standards:
Subject(s):
55 minutes

### Beth McKenna

##### Similar Lessons

###### Give Me Five!
1st Grade Math » Counting by Groups
Big Idea: Give me 5! Why do we call it that? Today your students will explore exactly why and determine the number of 5s within a given group.
Favorites(0)
Resources(23)
Waitsfield, VT
Environment: Suburban

###### Go Fishing for Doubles
2nd Grade Math » The Mission of Addition
Big Idea: Students play a favorite card game which practices the quick and accurate recall of double facts.
Favorites(11)
Resources(11)
Pepperell, MA
Environment: Rural

###### Tallying it Up
2nd Grade Math » Numbers & Operation in Base Ten Grade 2
Big Idea: In this collaborative lesson students will use "Head, or Tails" to learn how to tally count by fives and add on left over numbers.
Favorites(13)
Resources(16)
Jackson, MS
Environment: Urban