Back to Exercise: Tests of Divisibility
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
A
Recall / Warm-Up
B
Fluency Practice
4
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:
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