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

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

varsity tutors app store varsity tutors android store

Example Questions

Example Question #132 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 4=2\times __________

 

Possible Answers:

\displaystyle 2

\displaystyle 5

\displaystyle 3

\displaystyle 6

\displaystyle 4

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 4\div2=2

\displaystyle 2\times2=4

Example Question #133 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 18=3\times __________

 

Possible Answers:

\displaystyle 8

\displaystyle 7

\displaystyle 4

\displaystyle 5

\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 18\div3=6

\displaystyle 3\times6=18

Example Question #134 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 8=4\times __________

 

Possible Answers:

\displaystyle 8

\displaystyle 6

\displaystyle 5

\displaystyle 7

\displaystyle 4

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 8\div4=2

\displaystyle 4\times2=8

Example Question #135 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 15=5\times __________

 

Possible Answers:

\displaystyle 6

\displaystyle 3

\displaystyle 4

\displaystyle 2

\displaystyle 5

Correct answer:

\displaystyle 3

Explanation:

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

\displaystyle 15\div5=3

\displaystyle 5\times3=15

Example Question #136 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 49=7\times __________

 

Possible Answers:

\displaystyle 7

\displaystyle 5

\displaystyle 8

\displaystyle 6

\displaystyle 4

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 49\div7=7

\displaystyle 7\times7=49

Example Question #133 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 72=8\times __________

 

Possible Answers:

\displaystyle 5

\displaystyle 9

\displaystyle 6

\displaystyle 7

\displaystyle 8

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. 

\displaystyle 72\div8=9

\displaystyle 8\times9=72

Example Question #137 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 90=9\times __________

 

Possible Answers:

\displaystyle 8

\displaystyle 9

\displaystyle 12

\displaystyle 10

\displaystyle 11

Correct answer:

\displaystyle 10

Explanation:

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

\displaystyle 90\div9=10

\displaystyle 9\times10=90

Example Question #138 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 10=10\times __________

 

Possible Answers:

\displaystyle 1

\displaystyle 2

\displaystyle 5

\displaystyle 3

\displaystyle 4

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 10\div10=1

\displaystyle 10\times1=10

Example Question #141 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 22=11\times __________

 

Possible Answers:

\displaystyle 1

\displaystyle 4

\displaystyle 3

\displaystyle 5

\displaystyle 2

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 22\div11=2

\displaystyle 11\times2=22

Example Question #142 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank. 

\displaystyle 36=12\times __________

 

Possible Answers:

\displaystyle 3

\displaystyle 5

\displaystyle 4

\displaystyle 2

\displaystyle 1

Correct answer:

\displaystyle 3

Explanation:

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

\displaystyle 36\div12=3

\displaystyle 12\times3=36

Learning Tools by Varsity Tutors