Question Video: Subtracting One-Digit Numbers from Three-Digit Numbers Using Partial Difference Mathematics

Video Transcript

Find the difference by first subtracting ones.

246 take away five equals what? The number 246 has two hundreds, four tens, and six ones. We can partition the number 246 into six ones and 240 or twenty-four tens. So, we have six ones and we need to take away five. What is six take away five? The answer is one. 246 take away five equals 241. We subtracted five ones from the six ones which left us with one. We found the difference by first subtracting ones. 246 take away five equals 241.