Understanding Regrouping in Decimal Addition with Examples #3696889 (License: Personal Use)

The image illustrates the addition of 0.99 and 0.01, where adding the hundredths (9 + 1) yields 10, triggering a regroup into the tenths place; then 9 + 0 + 1 (carry) = 10 again, regrouping into the units place to produce 1.00. Superscripted “¹” marks the carried digits, emphasizing that regrouping can span multiple decimal places simultaneously.

Used in elementary or middle school math curricula to teach decimal arithmetic; ideal for lesson slides, interactive worksheets, or online tutorials targeting learners mastering place value and carrying in decimals.