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A folder of mental math starters on PowerPoint. They can easily be added to or changed as necessary.
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A folder of mental math starters on PowerPoint. They can easily be added to or changed as necessary.
2_or_3_2_digit_multiples_of_10.ppt
adding_2__2_digit_numbers.ppt
Complements_revisited.ppt
addition_and_subtraction_.ppt
finding_differences_by_counting_up.ppt