# Beta

## Updated Beta — Available March 2013

Addition & Subtraction for Multiple-Digit Numbers and Other Topics

Beta builds on the foundation in Alpha by applying students’ mastery of single-digit addition and subtraction to multiple-digit addition and subtraction. One of the stepping stones between these two levels is the concept of place value, which is an important milestone for truly grasping any multiple-digit operation.

Updates to the Instruction Manual include:

• suggestions for teaching odd and even numbers
• suggestions for introducing centimeters and meters
as measurement units (no conversions)
• Information on am and pm with telling time
• simple number line (in appendix)

Application & Enrichment pages in the Student Workbook include:

• coloring pictures coded to the answers to addition and subtraction problems
• fill-in-the-blank word problems
• draw the solution to word problems
• crossword puzzles with math vocabulary
• matching coins with prices
• measuring
• perimeter
• clocks
• arrays
• picture graphs
• line plots

Major Concepts and Skills Include:

• Understanding place value and using it to add or subtract
• Fluently adding any combination of whole numbers
• Solving for an unknown addend
• Fluently subtracting any combination of whole numbers
• Solving abstract and real-world problems involving addition and subtraction

Additional concepts and skills:

• Telling and writing time by hours and minutes
• Understanding, adding, and subtracting U.S. currency
• Measuring and estimating length with inches, feet, centimeters, and meters
• Comparing numbers and lengths
• Expressing differences between numbers as inequalities
• Finding the perimeter of any polygon
• Representing and interpreting data in plots and graphs

Check back in the first week of March for ordering information.

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