Common Core: 3rd Grade Math : Understand Division as an Unknown-Factor Problem: CCSS.Math.Content.3.OA.B.6

Study concepts, example questions & explanations for Common Core: 3rd Grade Math

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Example Questions

Example Question #101 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 636\div6\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 106\)

\(\displaystyle 108\)

\(\displaystyle 105\)

\(\displaystyle 104\)

\(\displaystyle 107\)

Correct answer:

\(\displaystyle 106\)

Explanation:

A factor is a number that is multiplied by another number to produce a given number. In this case, the unknown factor is the number multiplied by \(\displaystyle 6\) to get \(\displaystyle 636\).  \(\displaystyle 6\times 106=636\)

Example Question #102 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 1824\div16\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 116\)

\(\displaystyle 115\)

\(\displaystyle 112\)

\(\displaystyle 114\)

\(\displaystyle 113\)

Correct answer:

\(\displaystyle 114\)

Explanation:

A factor is a number that is multiplied by another number to produce a given number. In this case, the unknown factor is the number multiplied by \(\displaystyle 16\) to get \(\displaystyle 1824\).  \(\displaystyle 16\times 114=1824\)

Example Question #103 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 392\div14\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 26\)

\(\displaystyle 30\)

\(\displaystyle 28\)

\(\displaystyle 27\)

\(\displaystyle 29\)

Correct answer:

\(\displaystyle 28\)

Explanation:

A factor is a number that is multiplied by another number to produce a given number. In this case, the unknown factor is the number multiplied by \(\displaystyle 14\) to get \(\displaystyle 392\).  \(\displaystyle 14\times 28=392\)

Example Question #104 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 5223\div3\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 1741\)

\(\displaystyle 1742\)

\(\displaystyle 1739\)

\(\displaystyle 1743\)

\(\displaystyle 1740\)

Correct answer:

\(\displaystyle 1741\)

Explanation:

A factor is a number that is multiplied by another number to produce a given number. In this case, the unknown factor is the number multiplied by \(\displaystyle 3\) to get \(\displaystyle 5223\).  \(\displaystyle 3\times 1741=5223\)

Example Question #105 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 270\div5\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 54\)

\(\displaystyle 52\)

\(\displaystyle 56\)

\(\displaystyle 53\)

\(\displaystyle 55\)

Correct answer:

\(\displaystyle 54\)

Explanation:

A factor is a number that is multiplied by another number to produce a given number. In this case, the unknown factor is the number multiplied by \(\displaystyle 5\) to get \(\displaystyle 270\).  \(\displaystyle 5\times 54=270\)

Example Question #106 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 2874\div3\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 956\)

\(\displaystyle 958\)

\(\displaystyle 957\)

\(\displaystyle 960\)

\(\displaystyle 959\)

Correct answer:

\(\displaystyle 958\)

Explanation:

A factor is a number that is multiplied by another number to produce a given number. In this case, the unknown factor is the number multiplied by \(\displaystyle 3\) to get \(\displaystyle 2874\).  \(\displaystyle 3\times 958=2874\)

Example Question #107 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 969\div17\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 57\)

\(\displaystyle 55\)

\(\displaystyle 58\)

\(\displaystyle 56\)

\(\displaystyle 59\)

Correct answer:

\(\displaystyle 57\)

Explanation:

A factor is a number that is multiplied by another number to produce a given number. In this case, the unknown factor is the number multiplied by \(\displaystyle 17\) to get \(\displaystyle 969\).  \(\displaystyle 17\times 57=969\)

Example Question #108 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 6448\div8\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 806\)

\(\displaystyle 807\)

\(\displaystyle 804\)

\(\displaystyle 805\)

\(\displaystyle 808\)

Correct answer:

\(\displaystyle 806\)

Explanation:

A factor is a number that is multiplied by another number to produce a given number. In this case, the unknown factor is the number multiplied by \(\displaystyle 8\) to get \(\displaystyle 6448\).  \(\displaystyle 8\times 806=6448\)

Example Question #109 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 676\div2\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 336\)

\(\displaystyle 338\)

\(\displaystyle 340\)

\(\displaystyle 337\)

\(\displaystyle 339\)

Correct answer:

\(\displaystyle 338\)

Explanation:

A factor is a number that is multiplied by another number to produce a given number. In this case, the unknown factor is the number multiplied by \(\displaystyle 2\) to get \(\displaystyle 676\).  \(\displaystyle 2\times 338=676\)

Example Question #110 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 7848\div2\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 3924\)

\(\displaystyle 3922\)

\(\displaystyle 3923\)

\(\displaystyle 3925\)

\(\displaystyle 3926\)

Correct answer:

\(\displaystyle 3924\)

Explanation:

A factor is a number that is multiplied by another number to produce a given number. In this case, the unknown factor is the number multiplied by \(\displaystyle 2\) to get \(\displaystyle 7848\).  \(\displaystyle 2\times 3924=7848\)

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