Common Core: 3rd Grade Math : Operations & Algebraic Thinking

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

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Example Questions

Example Question #601 : Operations & Algebraic Thinking

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

Possible Answers:

\(\displaystyle 425\)

\(\displaystyle 428\)

\(\displaystyle 427\)

\(\displaystyle 424\)

\(\displaystyle 426\)

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 #602 : Operations & Algebraic Thinking

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

Possible Answers:

\(\displaystyle 10\)

\(\displaystyle 11\)

\(\displaystyle 12\)

\(\displaystyle 13\)

\(\displaystyle 14\)

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 #603 : Operations & Algebraic Thinking

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

Possible Answers:

\(\displaystyle 10\)

\(\displaystyle 8\)

\(\displaystyle 11\)

\(\displaystyle 12\)

\(\displaystyle 9\)

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 #604 : Operations & Algebraic Thinking

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

Possible Answers:

\(\displaystyle 841\)

\(\displaystyle 844\)

\(\displaystyle 842\)

\(\displaystyle 843\)

\(\displaystyle 845\)

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 #605 : Operations & Algebraic Thinking

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

Possible Answers:

\(\displaystyle 201\)

\(\displaystyle 203\)

\(\displaystyle 202\)

\(\displaystyle 205\)

\(\displaystyle 204\)

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 #606 : Operations & Algebraic Thinking

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

Possible Answers:

\(\displaystyle 105\)

\(\displaystyle 104\)

\(\displaystyle 107\)

\(\displaystyle 106\)

\(\displaystyle 108\)

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

Example Question #607 : Operations & Algebraic Thinking

Solve \(\displaystyle 32\div16\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 3\)

\(\displaystyle 2\)

\(\displaystyle 4\)

\(\displaystyle 1\)

Correct answer:

\(\displaystyle 2\)

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 \(\displaystyle 32\).\(\displaystyle 16\times 2=32\)

Example Question #608 : Operations & Algebraic Thinking

Solve \(\displaystyle 8725\div5\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 1743\)

\(\displaystyle 1747\)

\(\displaystyle 1745\)

\(\displaystyle 1744\)

\(\displaystyle 1746\)

Correct answer:

\(\displaystyle 1745\)

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 \(\displaystyle 8725\).\(\displaystyle 5\times 1745=8725\)

Example Question #609 : Operations & Algebraic Thinking

Solve \(\displaystyle 3780\div18\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 210\)

\(\displaystyle 211\)

\(\displaystyle 212\)

\(\displaystyle 209\)

\(\displaystyle 208\)

Correct answer:

\(\displaystyle 210\)

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 \(\displaystyle 18\) to get \(\displaystyle 3780\).\(\displaystyle 18\times 210=3780\)

Example Question #610 : Operations & Algebraic Thinking

Solve \(\displaystyle 3640\div10\) by finding the unknown factor.

Possible Answers:

\(\displaystyle 364\)

\(\displaystyle 366\)

\(\displaystyle 365\)

\(\displaystyle 362\)

\(\displaystyle 363\)

Correct answer:

\(\displaystyle 364\)

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 \(\displaystyle 10\) to get \(\displaystyle 3640\).\(\displaystyle 10\times 364=3640\)

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