consecutive number sums
noun phraseUK /kənˈsekjʊtɪv ˈnʌmbə sʌmz/
US /kənˈsekjətɪv ˈnʌmbər sʌmz/
Adding numbers that come one after another, like 1 + 2 + 3.
The teacher asked us to find consecutive number sums like 4 + 5 + 6.
OTHER MEANINGS
2. A math puzzle where you write a number as the sum of two or more numbers in a row.
We solved the puzzle by writing 15 as the consecutive number sum 7 + 8.
3. A running total made by adding numbers in order without skipping any.
The consecutive number sums of 2, 4, and 6 are 2, 6, and 12.
4. A way to add up counting numbers step by step to find a total.
Using consecutive number sums, she added 1 through 5 and got 15.