Meaning of little friend | Babel Free
Definitions
- A natural number which when added to another number equals 5.
- Used other than figuratively or idiomatically: see little, friend.
Examples
“The little friend of 2 is 3 because 2 + 3 = 5.”
“In Sessions 6 and 7, the little friends (terminology that refers to the numbers that are missing to reach another number, e.g., the number 1 is missing 4 to reach 5, so 1 is a little friend of 4) were applied in addition to being used when a calculation could not be performed directly because there were not enough pieces in the row to be added. In Sessions 8 and 9, the same little friends were used, but, in this case, when there are not enough pieces in the row to be subtracted.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.