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Questions and Answers
Which number is divisible by both 2 and 3?
What is the divisibility rule for 4?
Which of the following is NOT a rule for divisibility?
Which number is divisible by 10?
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What is the divisibility rule for 8?
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Study Notes
Divisibility Rules
- A number is divisible by 2 if its last digit is even: 0, 2, 4, 6, or 8.
- A number is divisible by 3 if the sum of its digits results in a number that can be divided by 3 without a remainder.
- A number is divisible by 4 if the number formed by its last two digits can be divided by 4.
- A number is divisible by 5 if its last digit is either 0 or 5.
- A number is divisible by 6 if it meets the criteria for both 2 and 3.
- A number is divisible by 8 if the number created by its last three digits is divisible by 8.
- A number is divisible by 9 if the sum of its digits is divisible by 9.
- A number is divisible by 10 if its last digit is 0.
Problem 29: Product Calculation
- Given the expression 115/5 x 5/3.
- Simplifying 115/5 results in 23.
- The other fraction remains 5/3.
- Multiplying the simplified results leads to 23 x 5/3 = 115/3.
- Final fraction 115/3 is in its lowest term, as 115 and 3 have no common factors.
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Description
Test your knowledge of divisibility rules in this quiz. This quiz covers the conditions for divisibility by 2, 3, 4, 5, 6, 8, 9, and 10. Challenge yourself and see how well you understand these important mathematical concepts!
