Common Core: 3rd Grade Math : Multiply and Divide Within 100: CCSS.Math.Content.3.OA.C.7

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

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Example Questions

Example Question #743 : Common Core Math: Grade 3

\(\displaystyle 9{\overline{\smash{)}18}}\)

 

Possible Answers:

\(\displaystyle 3\)

\(\displaystyle 1\)

\(\displaystyle 0\)

\(\displaystyle 4\)

\(\displaystyle 2\)

Correct answer:

\(\displaystyle 2\)

Explanation:

\(\displaystyle 9{\overline{\smash{)}18}}\)

To solve this division problem, we can think of it as a missing factor problem. 

Think: What times \(\displaystyle 9\) equals \(\displaystyle 18?\)

\(\displaystyle 9\times2=18\) 

Example Question #744 : Common Core Math: Grade 3

\(\displaystyle 9{\overline{\smash{)}36}}\)

 

Possible Answers:

\(\displaystyle 8\)

\(\displaystyle 7\)

\(\displaystyle 5\)

\(\displaystyle 6\)

\(\displaystyle 4\)

Correct answer:

\(\displaystyle 4\)

Explanation:

\(\displaystyle 9{\overline{\smash{)}36}}\)

To solve this division problem, we can think of it as a missing factor problem. 

Think: What times \(\displaystyle 9\) equals \(\displaystyle 36?\)

\(\displaystyle 9\times4=36\) 

Example Question #3711 : Numbers And Operations

\(\displaystyle 9{\overline{\smash{)}45}}\)

 

Possible Answers:

\(\displaystyle 5\)

\(\displaystyle 6\)

\(\displaystyle 8\)

\(\displaystyle 7\)

\(\displaystyle 4\)

Correct answer:

\(\displaystyle 5\)

Explanation:

\(\displaystyle 9{\overline{\smash{)}45}}\)

To solve this division problem, we can think of it as a missing factor problem. 

Think: What times \(\displaystyle 9\) equals \(\displaystyle 45?\)

\(\displaystyle 9\times5=45\) 

Example Question #752 : Operations & Algebraic Thinking

\(\displaystyle 9{\overline{\smash{)}63}}\)

 

Possible Answers:

\(\displaystyle 5\)

\(\displaystyle 6\)

\(\displaystyle 3\)

\(\displaystyle 4\)

\(\displaystyle 7\)

Correct answer:

\(\displaystyle 7\)

Explanation:

\(\displaystyle 9{\overline{\smash{)}63}}\)

To solve this division problem, we can think of it as a missing factor problem. 

Think: What times \(\displaystyle 9\) equals \(\displaystyle 63?\)

\(\displaystyle 9\times7=63\) 

Example Question #3712 : Numbers And Operations

\(\displaystyle 10{\overline{\smash{)}60}}\)

 

Possible Answers:

\(\displaystyle 10\)

\(\displaystyle 8\)

\(\displaystyle 6\)

\(\displaystyle 9\)

\(\displaystyle 7\)

Correct answer:

\(\displaystyle 6\)

Explanation:

\(\displaystyle 10{\overline{\smash{)}60}}\)

To solve this division problem, we can think of it as a missing factor problem. 

Think: What times \(\displaystyle 10\) equals \(\displaystyle 60?\)

\(\displaystyle 10\times6=60\) 

Example Question #3713 : Numbers And Operations

\(\displaystyle 10{\overline{\smash{)}40}}\)

 

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle 5\)

\(\displaystyle 3\)

\(\displaystyle 6\)

\(\displaystyle 4\)

Correct answer:

\(\displaystyle 4\)

Explanation:

\(\displaystyle 10{\overline{\smash{)}40}}\)

To solve this division problem, we can think of it as a missing factor problem. 

Think: What times \(\displaystyle 10\) equals \(\displaystyle 40?\)

\(\displaystyle 10\times4=40\) 

Example Question #47 : Multiply And Divide Within 100: Ccss.Math.Content.3.Oa.C.7

\(\displaystyle 10{\overline{\smash{)}100}}\)

 

Possible Answers:

\(\displaystyle 6\)

\(\displaystyle 10\)

\(\displaystyle 8\)

\(\displaystyle 9\)

\(\displaystyle 7\)

Correct answer:

\(\displaystyle 10\)

Explanation:

\(\displaystyle 10{\overline{\smash{)}100}}\)

To solve this division problem, we can think of it as a missing factor problem. 

Think: What times \(\displaystyle 10\) equals \(\displaystyle 100?\)

\(\displaystyle 10\times10=100\) 

Example Question #41 : Multiply And Divide Within 100: Ccss.Math.Content.3.Oa.C.7

\(\displaystyle 10{\overline{\smash{)}80}}\)

 

Possible Answers:

\(\displaystyle 9\)

\(\displaystyle 7\)

\(\displaystyle 5\)

\(\displaystyle 8\)

\(\displaystyle 6\)

Correct answer:

\(\displaystyle 8\)

Explanation:

\(\displaystyle 10{\overline{\smash{)}80}}\)

To solve this division problem, we can think of it as a missing factor problem. 

Think: What times \(\displaystyle 10\) equals \(\displaystyle 80?\)

\(\displaystyle 10\times8=80\) 

Example Question #3511 : Operations

\(\displaystyle 1{\overline{\smash{)}12}}\)

 

Possible Answers:

\(\displaystyle 9\)

\(\displaystyle 13\)

\(\displaystyle 11\)

\(\displaystyle 12\)

\(\displaystyle 10\)

Correct answer:

\(\displaystyle 12\)

Explanation:

\(\displaystyle 1{\overline{\smash{)}12}}\)

To solve this division problem, we can think of it as a missing factor problem. 

Think: What times \(\displaystyle 1\) equals \(\displaystyle 12?\)

\(\displaystyle 1\times12=12\) 

Example Question #3512 : Operations

\(\displaystyle 1{\overline{\smash{)}9}}\)

 

Possible Answers:

\(\displaystyle 12\)

\(\displaystyle 9\)

\(\displaystyle 8\)

\(\displaystyle 10\)

\(\displaystyle 11\)

Correct answer:

\(\displaystyle 9\)

Explanation:

\(\displaystyle 1{\overline{\smash{)}9}}\)

To solve this division problem, we can think of it as a missing factor problem. 

Think: What times \(\displaystyle 1\) equals \(\displaystyle 9?\)

\(\displaystyle 1\times9=9\) 

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