Elementary Tier 2 Manual

Joining B6-Finding Differences B7-Comparing Stories B8-Separating Stories B12-Adding Across andDown B13-Adding in Any Order B15-Finding the Missing Part B16-Relating Addition and Subtraction B17-Making 10 on a Ten-Frame B18-Missing Parts of 10 B19-Adding with 0, 1, 2

Subtract B38-Subtraction Facts with 10 B39-Using Subtraction Strategies B41-Adding Properties

B23-Subtracting with0, 1, 2 B24-Using Doubles to Subtract B25-Thinking Addition to 12 to Subtract B26-Doubles to 18 B27-Using Doubles toAdd B28-Adding 10 B29-Making 10 to Add9 B30-Making 10 to Add8 B31-Adding Three Numbers B32-Stories About Separating

C10-Two-Digit Addition C12-Subtracting Tens C13-Finding Parts of 100 C14-Subtracting on a Hundreds Chart C15-Subtracting Tens froma Two-Digit Number C16-Subtracting Two-Digit Numbers C17-Estimating Differences C18-Subtracting Two-Digit and

C36-Add with Tens onanOpen Number Line C37-Add Two-Digit Numbers on an Open Number Line C38-Subtract tens onanopen Number Line C39-Subtract Two-Digit Numbers onanOpen Number Line C40-Use Compensation to Add C41-Break Apart Numbers to Subtract C42-Partial Sums C43-Make 10 to Add 2-Digit Numbers C44-Counting Up to Subtract on an Open Number Line

B42-Relating Additon and Subtraction

C1-Adding Tens C2-Adding on a Hundreds Chart C3-Adding Tens to a Two-Digit Number C4-Adding Two-Digit Numbers C6-Regrouping in Addition C7-Deciding When to Regroup in Addition

DRAFT B34-Relating Addition and Subtraction to 18 One-Digit Numbers C19-Deciding When to Regroup in Subtraction C20-Subtracting With Regrouping