Skip to main content
Secondary Menu
Home
Contact Us
Login
Search this site:
Main Menu
Think Math!
Events
Presentations & Publications
FAQs
Resources
Chapter 2: Working with 10
View
Relationships
Course:
2nd Grade
L1: Finding Sums of 10
L2: Introducing > and <
L3: Finding and Comparing Sums to 10
L4: Mastering Sums of 10
L5: Adding and Subtracting with 10
L6: Finding How Close to 10
L7: Adding Numbers by Making 10
L8: Rounding to the Nearest 10
L9: Problem Solving and Test Prep: Solve a Simpler Problem
‹ L9: Finding Ways to Make 10
up
L1: Finding Sums of 10 ›
Browsing by Topic
Addition/subtraction
(3)
Algebra topics
(2)
Common Core State Standards CCSS
(4)
Geometry topics
(14)
Implementing Think Math!
(2)
Manipulative material or teaching aid
(2)
Mathematical language
(6)
Mental math
(5)
Multiplication/division
(5)
Number: whole, fraction, decimal, negative
(8)
Pacing
(1)
Philosophy of Think Math!
(1)
Professional development
(5)
Puzzles
(6)
Courses
1st Grade
2nd Grade
Chapter 1: Counting Strategies
Chapter 2: Working with 10
L1: Finding Sums of 10
L2: Introducing > and <
L3: Finding and Comparing Sums to 10
L4: Mastering Sums of 10
L5: Adding and Subtracting with 10
L6: Finding How Close to 10
L7: Adding Numbers by Making 10
L8: Rounding to the Nearest 10
L9: Problem Solving and Test Prep: Solve a Simpler Problem
Chapter 3: Place Value
Chapter 4: Addtion and Subtraction with Place Value
Chapter 5: Probability and Data
Chapter 6: Measuring Time
Chapter 7: Doubling Halving, and Fractions
Chapter 8: Building Addition and Subtraction Fluency
Chapter 9: Two-Dimensional Figures and Spatial Sense
Chapter 10: Adding and Subtracting Larger Numbers
Chapter 11: Skip-Counting and Equivalent Sets
Chapter 12: Measuring Length
Chapter 13: Exploring Multiplication and Division
Chapter 14: Comparing and Contrasting Three-Dimensional Figures
Chapter 15: Measuring Capacity, Weight/Mass, and Temperature
Chapter 16: Multiplying and Dividing
3rd Grade
4th Grade
5th Grade
Kindergarten