What do the digits in the number 15 add up to?
How many other numbers up to a thousand have digits with the same total if we only include numbers without zeros?
Click here for Solutions and Suggested Lesson Plans in the AIMSSEC Notes for Teachers.
This problem is adapted from the NRICH task Six is the Sum with permission of the University of Cambridge. All rights reserved.
Tagged with: Number patterns • Place value • Whole numbers
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