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

Solve \(\displaystyle 6304\div8\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 790\)

\(\displaystyle 787\)

\(\displaystyle 786\)

\(\displaystyle 789\)

\(\displaystyle 788\)

Correct answer:

\(\displaystyle 788\)

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 \(\displaystyle 6304\).\(\displaystyle 8\times 788=6304\)

Example Question #22 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 6144\div3\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 2048\)

\(\displaystyle 2050\)

\(\displaystyle 2046\)

\(\displaystyle 2049\)

\(\displaystyle 2047\)

Correct answer:

\(\displaystyle 2048\)

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 \(\displaystyle 6144\).\(\displaystyle 3\times 2048=6144\)

Example Question #23 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 4326\div14\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 311\)

\(\displaystyle 308\)

\(\displaystyle 310\)

\(\displaystyle 307\)

\(\displaystyle 309\)

Correct answer:

\(\displaystyle 309\)

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 \(\displaystyle 4326\).\(\displaystyle 14\times 309=4326\)

Example Question #24 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 2726\div2\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 1361\)

\(\displaystyle 1362\)

\(\displaystyle 1363\)

\(\displaystyle 1364\)

\(\displaystyle 1365\)

Correct answer:

\(\displaystyle 1363\)

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 \(\displaystyle 2726\).\(\displaystyle 2\times 1363=2726\)

Example Question #25 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 6816\div16\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 425\)

\(\displaystyle 427\)

\(\displaystyle 426\)

\(\displaystyle 424\)

\(\displaystyle 428\)

Correct answer:

\(\displaystyle 426\)

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 \(\displaystyle 6816\).\(\displaystyle 16\times 426=6816\)

Example Question #26 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 144\div12\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 10\)

\(\displaystyle 14\)

\(\displaystyle 11\)

\(\displaystyle 12\)

\(\displaystyle 13\)

Correct answer:

\(\displaystyle 12\)

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 \(\displaystyle 12\) to get \(\displaystyle 144\).\(\displaystyle 12\times 12=144\)

Example Question #27 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 190\div19\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 10\)

\(\displaystyle 12\)

\(\displaystyle 8\)

\(\displaystyle 11\)

\(\displaystyle 9\)

Correct answer:

\(\displaystyle 10\)

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 \(\displaystyle 19\) to get \(\displaystyle 190\).\(\displaystyle 19\times 10=190\)

Example Question #28 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 6744\div8\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 845\)

\(\displaystyle 843\)

\(\displaystyle 841\)

\(\displaystyle 842\)

\(\displaystyle 844\)

Correct answer:

\(\displaystyle 843\)

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 \(\displaystyle 6744\).\(\displaystyle 8\times 843=6744\)

Example Question #29 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 406\div2\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 204\)

\(\displaystyle 205\)

\(\displaystyle 202\)

\(\displaystyle 201\)

\(\displaystyle 203\)

Correct answer:

\(\displaystyle 203\)

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 \(\displaystyle 406\).\(\displaystyle 2\times 203=406\)

Example Question #30 : Understand Division As An Unknown Factor Problem: Ccss.Math.Content.3.Oa.B.6

Solve \(\displaystyle 1166\div11\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 108\)

\(\displaystyle 107\)

\(\displaystyle 104\)

\(\displaystyle 106\)

\(\displaystyle 105\)

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 \(\displaystyle 11\) to get \(\displaystyle 1166\).\(\displaystyle 11\times 106=1166\)

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