Level 1, Lesson 28: Divisibility by 3

Add up the digits. If the total divides by 3, the whole number divides by 3.

Practice

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Answered 0 of 8 · 0 correct

Q1Digit sum of 138?

Q2Digit sum of 471?

Q3Digit sum of 256?

Q4Digit sum of 903?

Q5Digit sum of 682?

Q6Digit sum of 1,245?

Q7Digit sum of 517?

Q8Digit sum of 396?