# Numbers and Number Sense

Lesson List

 Lesson Description 1-2 Numbers and Number Sense 1-3 Numbers from 1 to 10 1-6 One More and One Less 1-7 Recognize and Write Ordinal Numbers - First Through Tenth 1-11 Counting to 100 1-12 Recognize and Identify a Dozen and a Half Dozen 1-13 Introduction to the Symbols > and < 1-16 One Less Than & One More Than 1-18 Counting Forward and Backward 2-1 Skip Counting by 5 and 10 2-2 Even Numbers and Odd Numbers 2-3 Counting Between the Numbers 1 to 100 2-6 Learn to Write Number Words 2-21 Identify a Dozen, a Half Dozen and Multiple Groups of Dozens 2-26 Additional Practice with Greater Than & Less Than 2-58 Ordinal Numbers Eleventh Through Ninetieth 2-62 Introduction to Roman Numerals I - XX 2-67 Counting to 1000 2-68 Counting Between Hundreds 2-72 Comparing Three-Digit Numbers 2-73 Writing Three-Digit Numbers 3-26 Counting Between Thousands 3-27 Counting by Thousands 3-28 Introduction to Rounding to the Nearest Ten, Hundred, and Thousand 3-31 Greater Than and Less Than, in the Thousands Place Value 3-32 Ordinal Numbers, First Through One Hundred 3-37 Estimating the Sum 3-38 Estimating the Difference 3-41 Multiple Operations 6-2 The Symbols Greater Than or Equal To and Less Than or Equal To