Common Core: 3rd Grade Math : Common Core Math: Grade 3

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

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Example Questions

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

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

 

Possible Answers:

\(\displaystyle 7\)

\(\displaystyle 5\)

\(\displaystyle 4\)

\(\displaystyle 6\)

\(\displaystyle 8\)

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 #42 : Multiply And Divide Within 100: Ccss.Math.Content.3.Oa.C.7

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

 

Possible Answers:

\(\displaystyle 8\)

\(\displaystyle 10\)

\(\displaystyle 7\)

\(\displaystyle 6\)

\(\displaystyle 9\)

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 #83 : Isee Lower Level (Grades 5 6) Quantitative Reasoning

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

 

Possible Answers:

\(\displaystyle 6\)

\(\displaystyle 3\)

\(\displaystyle 4\)

\(\displaystyle 2\)

\(\displaystyle 5\)

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 #46 : Multiply And Divide Within 100: Ccss.Math.Content.3.Oa.C.7

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

 

Possible Answers:

\(\displaystyle 5\)

\(\displaystyle 8\)

\(\displaystyle 9\)

\(\displaystyle 6\)

\(\displaystyle 7\)

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 #3732 : Ssat Elementary Level Quantitative (Math)

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

 

Possible Answers:

\(\displaystyle 12\)

\(\displaystyle 11\)

\(\displaystyle 10\)

\(\displaystyle 13\)

\(\displaystyle 9\)

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 #43 : Multiply And Divide Within 100: Ccss.Math.Content.3.Oa.C.7

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

 

Possible Answers:

\(\displaystyle 11\)

\(\displaystyle 9\)

\(\displaystyle 12\)

\(\displaystyle 8\)

\(\displaystyle 10\)

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 \(\displaystyle 9?\)

\(\displaystyle 1\times9=9\) 

Example Question #3734 : Numbers And Operations

\(\displaystyle 1{\overline{\smash{)}7}}\)

 

Possible Answers:

\(\displaystyle 7\)

\(\displaystyle 4\)

\(\displaystyle 3\)

\(\displaystyle 6\)

\(\displaystyle 5\)

Correct answer:

\(\displaystyle 7\)

Explanation:

\(\displaystyle 1{\overline{\smash{)}7}}\)

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

Think: What times \(\displaystyle 1\) equals \(\displaystyle 7?\)

\(\displaystyle 1\times7=7\) 

Example Question #51 : Multiply And Divide Within 100: Ccss.Math.Content.3.Oa.C.7

\(\displaystyle 1{\overline{\smash{)}10}}\)

 

Possible Answers:

\(\displaystyle 10\)

\(\displaystyle 6\)

\(\displaystyle 7\)

\(\displaystyle 8\)

\(\displaystyle 9\)

Correct answer:

\(\displaystyle 10\)

Explanation:

\(\displaystyle 1{\overline{\smash{)}10}}\)

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

Think: What times \(\displaystyle 1\) equals \(\displaystyle 10?\)

\(\displaystyle 1\times10=10\) 

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