{ "item_title" : "1st Grade Math Comparison, Subtraction and Multiplication Basics", "item_author" : [" Marina Vigodsky "], "item_description" : "The 1st Grade Math Comparison, Subtraction and Multiplication Basics workbook introduces 1st graders to three basic arithmetic operations. Use of a three-sector numbers introduction button for teaching three basic operations provides common contextual background which makes comparison, subtraction and multiplication easier for understanding and practice. From cognitive standpoint a common contextual background turns all three parts of a three-sector number button into one unit which contributes to better understanding of functions of numbers in basic arithmetic operations. The workbook provides practice for basic arithmetic operations with numbers 1 to 12.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/1/72/759/181/172759181X_b.jpg", "price_data" : { "retail_price" : "6.50", "online_price" : "6.50", "our_price" : "6.50", "club_price" : "6.50", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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