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

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

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All Common Core: 3rd Grade Math Resources

7 Diagnostic Tests 226 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #511 : Operations & Algebraic Thinking

Fill in the blank. $90=5\times$ $\displaystyle 90=5\times$__________

Possible Answers:

$\displaystyle 19$

$\displaystyle 21$

$\displaystyle 20$

$\displaystyle 18$

$\displaystyle 22$

Correct answer:

$\displaystyle 18$

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. $\\ \\90\div 5=18\\ 5\times 18=90$ $\displaystyle \\ \\90\div 5=18\\ 5\times 18=90$

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Example Question #512 : Operations & Algebraic Thinking

Fill in the blank. $56=7\times$ $\displaystyle 56=7\times$__________

Possible Answers:

$\displaystyle 11$

$\displaystyle 8$

$\displaystyle 10$

$\displaystyle 12$

$\displaystyle 9$

Correct answer:

$\displaystyle 8$

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. $\\ \\56\div 7=8\\ 7\times 8=56$ $\displaystyle \\ \\56\div 7=8\\ 7\times 8=56$

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Example Question #513 : Operations & Algebraic Thinking

Fill in the blank. $18=2\times$ $\displaystyle 18=2\times$__________

Possible Answers:

$\displaystyle 12$

$\displaystyle 10$

$\displaystyle 11$

$\displaystyle 13$

$\displaystyle 9$

Correct answer:

$\displaystyle 9$

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. $\\ \\18\div 2=9\\ 2\times 9=18$ $\displaystyle \\ \\18\div 2=9\\ 2\times 9=18$

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Example Question #514 : Operations & Algebraic Thinking

Fill in the blank. $38=19\times$ $\displaystyle 38=19\times$__________

Possible Answers:

$\displaystyle 3$

$\displaystyle 6$

$\displaystyle 2$

$\displaystyle 4$

$\displaystyle 5$

Correct answer:

$\displaystyle 2$

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. $\\ \\38\div 19=2\\ 19\times 2=38$ $\displaystyle \\ \\38\div 19=2\\ 19\times 2=38$

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Example Question #515 : Operations & Algebraic Thinking

Fill in the blank. $88=2\times$ $\displaystyle 88=2\times$__________

Possible Answers:

$\displaystyle 44$

$\displaystyle 46$

$\displaystyle 48$

$\displaystyle 45$

$\displaystyle 47$

Correct answer:

$\displaystyle 44$

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. $\\ \\88\div 2=44\\ 2\times 44=88$ $\displaystyle \\ \\88\div 2=44\\ 2\times 44=88$

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Example Question #516 : Operations & Algebraic Thinking

Fill in the blank. $4=4\times$ $\displaystyle 4=4\times$__________

Possible Answers:

$\displaystyle 4$

$\displaystyle 3$

$\displaystyle 1$

$\displaystyle 5$

$\displaystyle 2$

Correct answer:

$\displaystyle 1$

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. $\\ \\4\div 4=1\\ 4\times 1=4$ $\displaystyle \\ \\4\div 4=1\\ 4\times 1=4$

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Example Question #517 : Operations & Algebraic Thinking

Fill in the blank. $32=4\times$ $\displaystyle 32=4\times$__________

Possible Answers:

$\displaystyle 9$

$\displaystyle 10$

$\displaystyle 11$

$\displaystyle 8$

$\displaystyle 12$

Correct answer:

$\displaystyle 8$

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. $\\ \\32\div 4=8\\ 4\times 8=32$ $\displaystyle \\ \\32\div 4=8\\ 4\times 8=32$

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Example Question #518 : Operations & Algebraic Thinking

Fill in the blank. $32=2\times$ $\displaystyle 32=2\times$__________

Possible Answers:

$\displaystyle 18$

$\displaystyle 20$

$\displaystyle 19$

$\displaystyle 16$

$\displaystyle 17$

Correct answer:

$\displaystyle 16$

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. $\\ \\32\div 2=16\\ 2\times 16=32$ $\displaystyle \\ \\32\div 2=16\\ 2\times 16=32$

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Example Question #519 : Operations & Algebraic Thinking

Fill in the blank. $44=22\times$ $\displaystyle 44=22\times$__________

Possible Answers:

$\displaystyle 2$

$\displaystyle 5$

$\displaystyle 6$

$\displaystyle 4$

$\displaystyle 3$

Correct answer:

$\displaystyle 2$

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. $\\ \\44\div 22=2\\ 22\times 2=44$ $\displaystyle \\ \\44\div 22=2\\ 22\times 2=44$

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Example Question #520 : Operations & Algebraic Thinking

Fill in the blank. $57=3\times$ $\displaystyle 57=3\times$__________

Possible Answers:

$\displaystyle 23$

$\displaystyle 21$

$\displaystyle 20$

$\displaystyle 19$

$\displaystyle 22$

Correct answer:

$\displaystyle 19$

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. $\\ \\57\div 3=19\\ 3\times 19=57$ $\displaystyle \\ \\57\div 3=19\\ 3\times 19=57$

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All Common Core: 3rd Grade Math Resources

7 Diagnostic Tests 226 Practice Tests Question of the Day Flashcards Learn by Concept

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

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

All Common Core: 3rd Grade Math Resources

Example Questions

Example Question #511 : Operations & Algebraic Thinking

Example Question #512 : Operations & Algebraic Thinking

Example Question #513 : Operations & Algebraic Thinking

Example Question #514 : Operations & Algebraic Thinking

Example Question #515 : Operations & Algebraic Thinking

Example Question #516 : Operations & Algebraic Thinking

Example Question #517 : Operations & Algebraic Thinking

Example Question #518 : Operations & Algebraic Thinking

Example Question #519 : Operations & Algebraic Thinking

Example Question #520 : Operations & Algebraic Thinking

All Common Core: 3rd Grade Math Resources

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