Exercises: Tests of Divisibility

Use the divisibility rules for 2, 3, and 5 rather than doing full division wherever possible.

Grade 6·21 problems·~28 min·Uganda NCDC Primary 6 Mathematics·lesson·patterns-01

Work through problems with immediate feedback

Recall / Warm-Up

Can 15 pencils be shared equally among 3 learners with none left over? Answer yes or no.

Which of these numbers is even?

Is 128 an even number or an odd number?

Fluency Practice

Is 4,532 divisible by 2?

No, because 4,532 is a large number.

Yes, because the last digit is 2, which is even.

No, because it does not end in 0.

Is 340 divisible by 5? Answer yes or no.

Is 456 divisible by 3? Answer yes or no.

Test 1,234 for divisibility by 3: sum of digits = 1 + 2 + 3 + 4 = ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ . Since ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ is not divisible by 3, 1,234 is ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ divisible by 3.

digit sum:

digit sum repeated:

yes or not:

Is 7,845 divisible by 5? Answer yes or no.

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