Common Core: 5th Grade Math : Write and Interpret Simple Expressions that Record Calculations: CCSS.Math.Content.5.OA.A.2

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

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Example Questions

Example Question #51 : Write And Interpret Simple Expressions That Record Calculations: Ccss.Math.Content.5.Oa.A.2

Select the equation that reflects the phrase below.

Divide \displaystyle 50 by the quotient of \displaystyle 100 divided by \displaystyle 2

Possible Answers:

\displaystyle 50\div(100+2)

\displaystyle 50\div(100\div2)

\displaystyle 50\div(100-2)

\displaystyle 50\div(100\times2)

\displaystyle 50\div100\div2

Correct answer:

\displaystyle 50\div(100\div2)

Explanation:

Quotient means the answer to a division problem. Because we want to divide \displaystyle 50 by the answer of \displaystyle 100\div2 we need to put that in parentheses so that it's done first. 

Remember, order of operations is PEMDAS= parentheses, exponents, multiplication/division, addition/subtraction.  

Example Question #52 : Write And Interpret Simple Expressions That Record Calculations: Ccss.Math.Content.5.Oa.A.2

Select the equation that reflects the phrase below.

Add \displaystyle 40 and \displaystyle 4 and then multiply \displaystyle 2 by the sum

Possible Answers:

\displaystyle (40-4)\div2

\displaystyle (40-4)\times2

\displaystyle 40+4\times2

\displaystyle 40-4\times2

\displaystyle (40+4)\times2

Correct answer:

\displaystyle (40+4)\times2

Explanation:

Because we are multiplying by the sum, which is the answer to an addition problem, we first need to add so we need to put the addition problem in parentheses, then we can do the multiplication. 

Remember, order of operations is PEMDAS= parentheses, exponents, multiplication/division, addition/subtraction.  

Example Question #53 : Write And Interpret Simple Expressions That Record Calculations: Ccss.Math.Content.5.Oa.A.2

Select the equation that reflects the phrase below.

\displaystyle 36 divided by the difference between \displaystyle 24 and \displaystyle 12

Possible Answers:

\displaystyle 36\div(24-12)

\displaystyle 36\times(24-12)

\displaystyle 36\div24+12

\displaystyle 36\div24-12

\displaystyle 36\div(24+12)

Correct answer:

\displaystyle 36\div(24-12)

Explanation:

Because we are dividing by the difference, or answer, from the subtraction problem, we first need to subtract. In order for the subtraction problem to go first, we need to put that in parentheses. 

Remember, order of operations is PEMDAS= parentheses, exponents, multiplication/division, addition/subtraction.

Example Question #54 : Write And Interpret Simple Expressions That Record Calculations: Ccss.Math.Content.5.Oa.A.2

Select the equation that reflects the phrase below.

Find \displaystyle 13 more than \displaystyle 62 and then find \displaystyle 25 less than the sum. 

Possible Answers:

\displaystyle 62+13+25

\displaystyle 62\div13-25

\displaystyle 62-(13-25)

\displaystyle 62\times13-25

\displaystyle 62+13-25

Correct answer:

\displaystyle 62+13-25

Explanation:

The phrase "more than" means to add. Because we are adding and subtracting in this question, we do not need to use parentheses because with addition and subtraction you work the problem out from left to right. So first we have the addition problem, then we subtract. 

Remember, order of operations is PEMDAS= parentheses, exponents, multiplication/division, addition/subtraction.  

Example Question #51 : Write And Interpret Simple Expressions That Record Calculations: Ccss.Math.Content.5.Oa.A.2

Select the equation that reflects the phrase below.

Find \displaystyle 14 less than the product of \displaystyle 2 and \displaystyle 13

Possible Answers:

\displaystyle 2+13-14

\displaystyle 2+12+14

\displaystyle 14-13\times2

\displaystyle 14-2\times13

\displaystyle 2\times13-14

Correct answer:

\displaystyle 2\times13-14

Explanation:

The phrase "less than the product" means that we are going to subtract \displaystyle 14 from the answer of our multiplication problem. Because of our order of operations, multiplication will come beore subtraction so we do not need to use parentheses.

Remember, order of operations is PEMDAS= parentheses, exponents, multiplication/division, addition/subtraction.  

Example Question #141 : Common Core Math: Grade 5

Select the equation that reflects the phrase below.

Find the product of \displaystyle 6 times the quotient of \displaystyle 54 divided by \displaystyle 9

Possible Answers:

\displaystyle 54\div9+6

\displaystyle 54\div(9\times6)

\displaystyle 54\div9-6

\displaystyle 54\times9\times6

\displaystyle 54\div9\times6

Correct answer:

\displaystyle 54\div9\times6

Explanation:

When you are asked to find the product that means we are going to multiply. Because we are multiplying and dividing in this question, we do not need to use parentheses because with multiplication and division you work the problem out from left to right. So first we have the division problem, then we multiply because it says to find the product of the quotient (answer to a division problem), which means we need to divide first. 

Remember, order of operations is PEMDAS= parentheses, exponents, multiplication/division, addition/subtraction.  

Example Question #142 : Common Core Math: Grade 5

Select the equation that reflects the phrase below.

Subtract \displaystyle 15 from the quotient of \displaystyle 60 divided by \displaystyle 2

Possible Answers:

\displaystyle 60\div2-15

\displaystyle 60\div2\times15

\displaystyle 60+2-15

\displaystyle 60-2-15

\displaystyle 60\div2+15

Correct answer:

\displaystyle 60\div2-15

Explanation:

Because of our order of operations, the division problem needs to come first. We list the subtraction  last because we are subtracting a number by the quotient, so the quotient needs to be listed first. 

Remember, order of operations is PEMDAS= parentheses, exponents, multiplication/division, addition/subtraction.  

Example Question #143 : Common Core Math: Grade 5

Select the equation that reflects the phrase below.

\displaystyle 76 divided by the product of \displaystyle 19 and \displaystyle 4

Possible Answers:

\displaystyle 76\div19+4

\displaystyle 76\div(19-4)

\displaystyle 76\div(19+4)

\displaystyle 76\div(19\times4)

\displaystyle 76\div19\times4

Correct answer:

\displaystyle 76\div(19\times4)

Explanation:

\displaystyle 76 needs to be listed first because that's the number that is getting divided. However, we need to do the multiplication problem first to find out what number we are dividing into \displaystyle 76, so we need to put the multiplication problem into parentheses. 

Remember, order of operations is PEMDAS= parentheses, exponents, multiplication/division, addition/subtraction.  

Example Question #144 : Common Core Math: Grade 5

Select the equation that reflects the phrase below. 

Add \displaystyle 17 to the difference between \displaystyle 63 and \displaystyle 38

Possible Answers:

\displaystyle 63-38-17

\displaystyle 63-38\times17

\displaystyle 63+38+17

\displaystyle 63-38+17

\displaystyle 63\div38+17

Correct answer:

\displaystyle 63-38+17

Explanation:

Difference means the answer to a subtraction problem. Because we are adding a number to the difference, we need to do the subtraction problem first. Since we are adding and subtracting in this question, we do not need to use parentheses because with addition and subtraction you work the problem out from left to right. So first we have the subtraction problem, then we add

Remember, order of operations is PEMDAS= parentheses, exponents, multiplication/division, addition/subtraction.  

Example Question #141 : Common Core Math: Grade 5

Select the equation that reflects the phrase below.

Add \displaystyle 19 to the product of \displaystyle 5 and \displaystyle 9

Possible Answers:

\displaystyle 19-5\times9

\displaystyle 19+5\div9

\displaystyle 19+5+9

\displaystyle (19+5)\times9

\displaystyle 19+5\times9

Correct answer:

\displaystyle 19+5\times9

Explanation:

Product means the answer to a multiplication problem. Becuase of our order of operation rules, the multiplication problem will come first, regardless of if it's listed first or second. Then we add. 

Remember, order of operations is PEMDAS= parentheses, exponents, multiplication/division, addition/subtraction.  

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