Chapter 2: Compare and Order Whole Numbers
Lesson 1: Compare Numbers. Objective: To use number lines and place value to compare numbers.
Lesson 2: Order Numbers. Objective: To use number lines and place value to order numbers through millions.
Lesson 3: Problem Solving Strategy: Make a Table. Objective: To solve problems by using the strategy make a table.
Lesson 4: Round Numbers. Objective: To round whole numbers to a given place value.
Vocabulary: compare, place value, order, round
compare: to describe whether a number is equal to, less than, or greater than anothe number
place value: the value of a digit in a number, based on its position
order: to describe which of a set of numbers is the greatest, which is the least, and where the others fall between them based on their values
round: to replace a number with another number that tells about how many or how much
Mark the place. Look to the right. 4 or less are out of sight. 5 and up will buy one more before they too are out the door. In those empty right-hand spaces, zeros keep the proper places.
Estimating and rounding:
Rounding Whole Numbers: http://www.basic-mathematics.com/rounding-whole-numbers.html
Our textbook website: www.harcourtschool.com
Some good practice websites: