Twin Sisters Productions Twin Sisters Add & Subtrack Workbooks 2PK

The ADDITION Music CD includes 13 original songs that teach Addition Facts—Addends 0 to 9, The Zero Strategy, Count Up Strategy, Two-more-than Strategy and Doubles Plus One. The ADDITION 96-page full-color workbook features Addition learning games—using an easy-to-assemble 10-sided die, Reproducible practice worksheets, Real-life problem solving, Time tests, Advanced addition—adding three numbers, one-, two- and three-digit addition and CrissCross Addition Card Game—players build addition sentences. The SUBTRACTION Music CD includes 14 original songs that teach How to "think addition" when learning subtraction, Why the "count down" strategy is helpful, How to make a "fact family" and Subtraction Facts—minuends 1 - 18. The SUBTRACTION 96-page full-color workbook includes Subtraction learning games using easy-to-assemble 20-sided dice, Practice worksheets, Real-life problem solving, Time tests, Advanced subtraction—subtracting two-, three-, and four-digit numbers and The Claim That Number Card Game—players add or subtract cards to claim the target number.

• Addition Workbook and CD Set
• Subtraction Workbook and CD Set