Common Core: 5th Grade Math : Common Core Math: Grade 5

Study concepts, example questions & explanations for Common Core: 5th Grade Math

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Example Questions

Example Question #1 : Use Parentheses, Brackets, Or Braces In Numerical Expressions And Evaluate These Expressions: Ccss.Math.Content.5.Oa.A.1

\displaystyle (1\times 3)+\left [ (1+3)\times 2-1 \right ]\div 1=

Possible Answers:

\displaystyle 10

\displaystyle 11

\displaystyle 8

\displaystyle 9

\displaystyle 7

Correct answer:

\displaystyle 10

Explanation:

 

 

 

Example Question #1 : Common Core Math: Grade 5

Solve:

\displaystyle 13+2\times5+(35-10)

Possible Answers:

\displaystyle 56

\displaystyle 48

\displaystyle 39

\displaystyle 22

\displaystyle 100

Correct answer:

\displaystyle 48

Explanation:

\displaystyle 13+2\times5+(35-10)

When solving this problem, remember order of operations PEMDAS. The parentheses come first, followed by the multiplication, and then addition. 

\displaystyle 35-10=25

\displaystyle 2\times5=10

\displaystyle 13+10+25=48

Example Question #1 : Common Core Math: Grade 5

Solve:

\displaystyle 6\div(5-2)

Possible Answers:

\displaystyle 1

\displaystyle 2

\displaystyle 13

\displaystyle 12

\displaystyle 6

Correct answer:

\displaystyle 2

Explanation:

\displaystyle 6\div(5-2)

When solving this problem, remember order of operations PEMDAS. The parentheses come first followed by the division. 

\displaystyle 5-2=3

\displaystyle 6\div3=2

Example Question #62 : Operations And Properties

Solve:

\displaystyle 8+(6-3)\times 7

Possible Answers:

\displaystyle 29

\displaystyle 34

\displaystyle 63

\displaystyle 13

\displaystyle 77

Correct answer:

\displaystyle 29

Explanation:

\displaystyle 8+(6-3)\times 7

When solving this problem, remember order of operations PEMDAS. The parentheses come first, followed by the multiplication, and then the addition. 

\displaystyle 6-3=3

\displaystyle 3\times7=21

\displaystyle 8+21=29

Example Question #1 : Common Core Math: Grade 5

Solve: 

\displaystyle 100\div(75-25)

Possible Answers:

\displaystyle 50

\displaystyle 2

\displaystyle 25

\displaystyle 5

\displaystyle 100

Correct answer:

\displaystyle 2

Explanation:

\displaystyle 100\div(75-25)

When solving this problem, remember order of operations PEMDAS. The parentheses come first followed by the division. 

\displaystyle 75-25=50

\displaystyle 100\div50=2

Example Question #1 : Orders Of Operations

Solve:

\displaystyle 12\times(6-2)

Possible Answers:

\displaystyle 52

\displaystyle 48

\displaystyle 70

\displaystyle 50

\displaystyle 68

Correct answer:

\displaystyle 48

Explanation:

\displaystyle 12\times(6-2)

When solving this problem, remember order of operations PEMDAS. The parentheses come first followed by the multiplication. 

\displaystyle 6-2=4

\displaystyle 12\times4=48

Example Question #1 : Common Core Math: Grade 5

Solve:

\displaystyle 16+(24-4)\div5

Possible Answers:

\displaystyle 15

\displaystyle 16

\displaystyle 7

\displaystyle 9

\displaystyle 20

Correct answer:

\displaystyle 20

Explanation:

\displaystyle 16+(24-4)\div5

When solving this problem, remember order of operations PEMDAS. The parentheses come first, followed by the division, and then the addition. 

\displaystyle 24-4=20

\displaystyle 20\div5=4

\displaystyle 16+4=20

Example Question #2 : Common Core Math: Grade 5

Solve:

\displaystyle 3\times(36-18)

Possible Answers:

\displaystyle 56

\displaystyle 94

\displaystyle 54

\displaystyle 90

\displaystyle 62

Correct answer:

\displaystyle 54

Explanation:

\displaystyle 3\times(36-18)

When solving this problem, remember order of operations PEMDAS. The parentheses come first followed by the multiplication. 

\displaystyle 36-18=18

\displaystyle 3\times18=54

Example Question #3 : Common Core Math: Grade 5

Solve: 

\displaystyle 2\times (50-25)\div5

Possible Answers:

\displaystyle 35

\displaystyle 30

\displaystyle 25

\displaystyle 10

\displaystyle 20

Correct answer:

\displaystyle 10

Explanation:

\displaystyle 2\times (50-25)\div5

When solving this problem, remember order of operations PEMDAS. The parentheses come first, followed by the multiplication, and then the division.

\displaystyle 50-25=25

\displaystyle 25\times2=50

\displaystyle 50\div5=10 

Example Question #2 : Orders Of Operations

Solve: 

\displaystyle 3\times(5+9)

Possible Answers:

\displaystyle 28

\displaystyle 42

\displaystyle 40

\displaystyle 30

\displaystyle 38

Correct answer:

\displaystyle 42

Explanation:

\displaystyle 3\times(5+9)

When solving this problem, remember order of operations PEMDAS. The parentheses come first followed by the multiplication. 

\displaystyle 5+9=14

\displaystyle 3\times14=42

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