Common Core: 4th Grade Math : Common Core Math: Grade 4

Study concepts, example questions & explanations for Common Core: 4th Grade Math

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Example Questions

Example Question #161 : Common Core Math: Grade 4

Which answer below provides a factor of \(\displaystyle 98?\)

 

Possible Answers:

\(\displaystyle 12\)

\(\displaystyle 8\)

\(\displaystyle 7\)

\(\displaystyle 9\)

\(\displaystyle 11\)

Correct answer:

\(\displaystyle 7\)

Explanation:

A factor is a number that can be evenly divided into a given number, or a number when multiplied  by another number equals the given number. 

\(\displaystyle 98\div7=14\)

or

\(\displaystyle 7\times14=98\)

Example Question #162 : Common Core Math: Grade 4

Which answer below provides a factor of \(\displaystyle 99?\)

 

Possible Answers:

\(\displaystyle 44\)

\(\displaystyle 66\)

\(\displaystyle 55\)

\(\displaystyle 22\)

\(\displaystyle 33\)

Correct answer:

\(\displaystyle 33\)

Explanation:

A factor is a number that can be evenly divided into a given number, or a number when multiplied  by another number equals the given number. 

\(\displaystyle 99\div33=3\)

or

\(\displaystyle 33\times3=99\)

Example Question #163 : Common Core Math: Grade 4

Which answer below provides a factor of \(\displaystyle 100?\)

Possible Answers:

\(\displaystyle 40\)

\(\displaystyle 30\)

\(\displaystyle 20\)

\(\displaystyle 60\)

\(\displaystyle 70\)

Correct answer:

\(\displaystyle 20\)

Explanation:

A factor is a number that can be evenly divided into a given number, or a number when multiplied  by another number equals the given number. 

\(\displaystyle 100\div20=5\)

or

\(\displaystyle 20\times5=100\)

Example Question #164 : Common Core Math: Grade 4

Which answer below provides a factor of \(\displaystyle 52?\)

 

Possible Answers:

\(\displaystyle 14\)

\(\displaystyle 13\)

\(\displaystyle 17\)

\(\displaystyle 15\)

\(\displaystyle 16\)

Correct answer:

\(\displaystyle 13\)

Explanation:

A factor is a number that can be evenly divided into a given number, or a number when multiplied  by another number equals the given number. 

\(\displaystyle 52\div13=4\)

or

\(\displaystyle 13\times4=52\)

Example Question #165 : Common Core Math: Grade 4

Which answer below provides a factor of \(\displaystyle 48?\)

Possible Answers:

\(\displaystyle 12\)

\(\displaystyle 20\)

\(\displaystyle 14\)

\(\displaystyle 18\)

\(\displaystyle 22\)

Correct answer:

\(\displaystyle 12\)

Explanation:

A factor is a number that can be evenly divided into a given number, or a number when multiplied  by another number equals the given number. 

\(\displaystyle 48\div12=4\)

or

\(\displaystyle 12\times4=48\)

Example Question #166 : Common Core Math: Grade 4

Which answer below provides a factor of \(\displaystyle 28?\)

 

Possible Answers:

\(\displaystyle 14\)

\(\displaystyle 26\)

\(\displaystyle 10\)

\(\displaystyle 12\)

\(\displaystyle 18\)

Correct answer:

\(\displaystyle 14\)

Explanation:

A factor is a number that can be evenly divided into a given number, or a number when multiplied  by another number equals the given number. 

\(\displaystyle 28\div14=2\)

or

\(\displaystyle 14\times2=28\)

Example Question #167 : Common Core Math: Grade 4

Which answer below provides a factor of \(\displaystyle 12?\)

Possible Answers:

\(\displaystyle 4\)

\(\displaystyle 11\)

\(\displaystyle 5\)

\(\displaystyle 24\)

\(\displaystyle 10\)

Correct answer:

\(\displaystyle 4\)

Explanation:

A factor is a number that can be evenly divided into a given number, or a number when multiplied  by another number equals the given number. 

\(\displaystyle 12\div4=3\)

or

\(\displaystyle 4\times3=12\)

Example Question #168 : Common Core Math: Grade 4

Which answer below provides a factor of \(\displaystyle 8?\)

 

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle 7\)

\(\displaystyle 16\)

\(\displaystyle 5\)

\(\displaystyle 6\)

Correct answer:

\(\displaystyle 2\)

Explanation:

A factor is a number that can be evenly divided into a given number, or a number when multiplied  by another number equals the given number. 

\(\displaystyle 8\div2=4\)

or

\(\displaystyle 2\times4=8\)

Example Question #169 : Common Core Math: Grade 4

Which number below is prime? 

 

Possible Answers:

\(\displaystyle 20\)

\(\displaystyle 7\)

\(\displaystyle 4\)

\(\displaystyle 21\)

\(\displaystyle 14\)

Correct answer:

\(\displaystyle 7\)

Explanation:

A prime number is a number that cannot be divided evenly by any number , other than \(\displaystyle 1\) and itself. This means that a prime number has no divisors or factors.

Of the choices above, \(\displaystyle 7\) is the only number with no divisors or factors. 

\(\displaystyle 4\) can de divided evenly by \(\displaystyle 2\)

\(\displaystyle 14\)  can be divded evenly by \(\displaystyle 2\) and \(\displaystyle 7\)

\(\displaystyle 20\) can be divided evenly by \(\displaystyle 2,4,5,10\) 

\(\displaystyle 21\) can be divided evenly by \(\displaystyle 3\) and \(\displaystyle 7\)

Example Question #73 : Find Factor Pairs: Ccss.Math.Content.4.Oa.B.4

Which number below is prime? 

 

Possible Answers:

\(\displaystyle 6\)

\(\displaystyle 8\)

\(\displaystyle 4\)

\(\displaystyle 10\)

\(\displaystyle 5\)

Correct answer:

\(\displaystyle 5\)

Explanation:

A prime number is a number that cannot be divided evenly by any number , other than \(\displaystyle 1\) and itself. This means that a prime number has no divisors or factors.

Of the choices above, \(\displaystyle 5\) is the only number with no divisors or factors. 

\(\displaystyle 4\) can de divided evenly by \(\displaystyle 2\)

\(\displaystyle 6\)  can be divded evenly by \(\displaystyle 2\) and \(\displaystyle 3\)

\(\displaystyle 8\) can be divided evenly by \(\displaystyle 2\) and \(\displaystyle 4\)

\(\displaystyle 10\) can be divided evenly by \(\displaystyle 2\) and \(\displaystyle 5\)

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