难点:明确要加的数或要减的数是接近哪个整十、整百数;加上或减去整百、整十数,多加了或多减了多少。

难点:明确要加的数或要减的数是接近哪个整十、整百数;加上或减去整百、整十数,多加了或多减了多少。的英文翻译

基本释义

• Teaching Difficult Points: Identify which tens or hundreds the number being added or subtracted is close to and how much more or less has been added or subtracted.