This math topic focuses on subtraction using base 10 blocks, emphasizing visualization and understanding of the quantities in hundreds and tens, without the need for borrowing. Each problem presents a scenario where blocks are subtracted, and multiple-choice answers are provided. Students are required to determine the remaining number of blocks after subtraction, engaging their skills in visualization, counting, and basic subtraction without borrowing within these number ranges.
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How many blocks are left if the second group is subtracted from the first?