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Subtraction with Exchanging Center using QR Codes=INSTRUCTIONS ONLY!

Subtraction with Exchanging Center using QR Codes=INSTRUCTIONS ONLY!
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Product Description
This is a the instructions for the center activity SUBTRACTION WITH EXCHANGING CENTERS USING QR CODES. with four levels of subtracting with exchanging. Students can use I pods, I pads, or smartphones to scan the QR code attached to each problem for self checking.
Total Pages
1 page
Answer Key
N/A
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