Common Core: 3rd Grade Math : Determine the Unknown Number in a Multiplication or Division Equation: CCSS.Math.Content.3.OA.A.4

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

varsity tutors app store varsity tutors android store

Example Questions

Example Question #161 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank.\displaystyle 49=49\times__________

Possible Answers:

\displaystyle 2

\displaystyle 5

\displaystyle 4

\displaystyle 1

\displaystyle 3

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 \\ \\49\div 49=1\\ 49\times 1=49

Example Question #449 : Representing And Solving Problems Involving Multiplication And Division

Fill in the blank.\displaystyle 85=5\times__________

Possible Answers:

\displaystyle 21

\displaystyle 18

\displaystyle 19

\displaystyle 20

\displaystyle 17

Correct answer:

\displaystyle 17

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide.\displaystyle \\ \\85\div 5=17\\ 5\times 17=85

Example Question #451 : Representing And Solving Problems Involving Multiplication And Division

Fill in the blank.\displaystyle 4=4\times__________

Possible Answers:

\displaystyle 2

\displaystyle 4

\displaystyle 1

\displaystyle 3

\displaystyle 5

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 \\ \\4\div 4=1\\ 4\times 1=4

Example Question #452 : Representing And Solving Problems Involving Multiplication And Division

Fill in the blank.\displaystyle 32=8\times__________

Possible Answers:

\displaystyle 8

\displaystyle 4

\displaystyle 6

\displaystyle 5

\displaystyle 7

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 \\ \\32\div 8=4\\ 8\times 4=32

Example Question #161 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank.\displaystyle 15=3\times__________

Possible Answers:

\displaystyle 6

\displaystyle 8

\displaystyle 7

\displaystyle 9

\displaystyle 5

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 \\ \\15\div 3=5\\ 3\times 5=15

Example Question #162 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank.\displaystyle 25=25\times__________

Possible Answers:

\displaystyle 3

\displaystyle 5

\displaystyle 2

\displaystyle 1

\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 \\ \\25\div 25=1\\ 25\times 1=25

Example Question #163 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank.\displaystyle 42=2\times__________

Possible Answers:

\displaystyle 23

\displaystyle 25

\displaystyle 22

\displaystyle 24

\displaystyle 21

Correct answer:

\displaystyle 21

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide.\displaystyle \\ \\42\div 2=21\\ 2\times 21=42

Example Question #164 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank.\displaystyle 21=21\times__________

Possible Answers:

\displaystyle 1

\displaystyle 4

\displaystyle 3

\displaystyle 2

\displaystyle 5

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 \\ \\21\div 21=1\\ 21\times 1=21

Example Question #165 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank.\displaystyle 45=3\times__________

Possible Answers:

\displaystyle 18

\displaystyle 17

\displaystyle 19

\displaystyle 16

\displaystyle 15

Correct answer:

\displaystyle 15

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide.\displaystyle \\ \\45\div 3=15\\ 3\times 15=45

Example Question #166 : Determine The Unknown Number In A Multiplication Or Division Equation: Ccss.Math.Content.3.Oa.A.4

Fill in the blank.\displaystyle 66=6\times__________

Possible Answers:

\displaystyle 12

\displaystyle 11

\displaystyle 13

\displaystyle 15

\displaystyle 14

Correct answer:

\displaystyle 11

Explanation:

The opposite of multiplication is division. In order to find the missing piece of this multiplication problem we can divide.\displaystyle \\ \\66\div 6=11\\ 6\times 11=66

Learning Tools by Varsity Tutors