Common Core: 3rd Grade Math : Representing and Solving Problems Involving Multiplication and Division

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

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Example Questions

Example Question #2 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 6=3\times __________

 

Possible Answers:

\displaystyle 3

\displaystyle 1

\displaystyle 4

\displaystyle 2

\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. 

\displaystyle 6\div3=2

\displaystyle 3\times2=6

Example Question #3 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 16=4\times __________

 

Possible Answers:

\displaystyle 3

\displaystyle 2

\displaystyle 5

\displaystyle 1

\displaystyle 4

Correct answer:

\displaystyle 4

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. 

\displaystyle 16\div4=4

\displaystyle 4\times4=16

Example Question #1 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 30=5\times ______ ________

 

Possible Answers:

\displaystyle 3

\displaystyle 5

\displaystyle 2

\displaystyle 4

\displaystyle 6

Correct answer:

\displaystyle 6

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. 

\displaystyle 30\div 5=6

So:

\displaystyle 5\times 6=30

Example Question #2 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 84=7\times __________

Possible Answers:

\displaystyle 10

\displaystyle 12

\displaystyle 11

\displaystyle 8

\displaystyle 9

Correct answer:

\displaystyle 12

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. 

\displaystyle 84\div7=12

\displaystyle 7\times12=84

Example Question #4 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 42=6\times __________

 

Possible Answers:

\displaystyle 9

\displaystyle 10

\displaystyle 6

\displaystyle 8

\displaystyle 7

Correct answer:

\displaystyle 7

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. 

\displaystyle 42\div6=7

\displaystyle 6\times7=42

Example Question #291 : Representing And Solving Problems Involving Multiplication And Division

Fill in the blank. 

\displaystyle 48=8\times __________

Possible Answers:

\displaystyle 5

\displaystyle 9

\displaystyle 7

\displaystyle 8

\displaystyle 6

Correct answer:

\displaystyle 6

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. 

\displaystyle 48\div8=6

\displaystyle 8\times6=48

Example Question #5 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 9=9\times __________

 

Possible Answers:

\displaystyle 1

\displaystyle 5

\displaystyle 3

\displaystyle 4

\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. 

\displaystyle 9\div9=1

\displaystyle 9\times1=9

Example Question #10 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 40=10\times __________

 

Possible Answers:

\displaystyle 7

\displaystyle 3

\displaystyle 6

\displaystyle 5

\displaystyle 4

Correct answer:

\displaystyle 4

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. 

\displaystyle 40\div10=4

\displaystyle 10\times4=40

Example Question #11 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 55=11\times __________

 

Possible Answers:

\displaystyle 5

\displaystyle 4

\displaystyle 1

\displaystyle 2

\displaystyle 3

Correct answer:

\displaystyle 5

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. 

\displaystyle 55\div11=5

\displaystyle 11\times5=55

Example Question #12 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 60=12\times __________

 

Possible Answers:

\displaystyle 8

\displaystyle 6

\displaystyle 5

\displaystyle 7

\displaystyle 9

Correct answer:

\displaystyle 5

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide. 

\displaystyle 60\div12=5

\displaystyle 12\times5=60

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