Number, NAPX-E3-CA22 SA

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}


Variant 0

DifficultyLevel

633

Question

1.38+6.211.38=\dfrac{1.38 + 6.21}{1.38} =

Worked Solution

1.38+6.211.38\dfrac{1.38 + 6.21}{1.38} = 1.381.38+6.211.38\dfrac{1.38}{1.38}+ \dfrac{6.21}{1.38}
= 1 + 6.211.38\dfrac{6.21}{1.38}
= 1 + (4×1.38)+0.691.38\dfrac{(4 \times 1.38) + 0.69}{1.38}
= 5 + 0.691.38\dfrac{0.69}{1.38}
= 5.5

Question Type

Answer Box

Variables

Variable nameVariable value
question
$\dfrac{1.38 + 6.21}{1.38} =$
workedSolution
| | | | --------------------- | -------------- | | $\dfrac{1.38 + 6.21}{1.38}$ | \= $\dfrac{1.38}{1.38}+ \dfrac{6.21}{1.38}$ | | | | | | \= 1 + $\dfrac{6.21}{1.38}$ | | | | | | \= 1 + $\dfrac{(4 \times 1.38) + 0.69}{1.38}$ | | | | | | \= 5 + $\dfrac{0.69}{1.38}$ | | | \= {{{correctAnswer0}}} |
correctAnswer0
5.5
prefix0
suffix0

Answers

Specify one or more 'ANSWER' block(s) as exampled below.
Note: correctAnswer is required, the rest are optional. ("correctAnswer" is what the student would need to type in to the box to get the answer correct.)

For example:
correctAnswer: 123.40

And optionally, specify the following, but only if you need something different to the defaults: 'width' defaults to 5 if not present, and valid values are 3 to 10; 'prefix' and 'suffix' default to nothing if not present.
prefix: $
suffix: mm$^2$
width: 5

correctAnswerNcorrectAnswerValueAnswer
correctAnswer05.5

Variant 1

DifficultyLevel

631

Question

2.4+4.82.4\dfrac{2.4 + 4.8}{2.4} =

Worked Solution

2.4+4.82.4\dfrac{2.4 + 4.8}{2.4} = 2.42.4\dfrac{2.4}{2.4} + 4.82.4\dfrac{4.8}{2.4}
= 1 + 4.82.4\dfrac{4.8}{2.4}
= 1 + 2
= 3

Question Type

Answer Box

Variables

Variable nameVariable value
question
$\dfrac{2.4 + 4.8}{2.4}$ =
workedSolution
| | | | -----------------------------------:| ------------------------------------------------------ | | $\dfrac{2.4 + 4.8}{2.4}$ | \= $\dfrac{2.4}{2.4}$ + $\dfrac{4.8}{2.4}$ | | | \= 1 + $\dfrac{4.8}{2.4}$ | | | \= 1 + 2 | | | \= {{{correctAnswer0}}} |
correctAnswer0
3
prefix0
suffix0

Answers

Specify one or more 'ANSWER' block(s) as exampled below.
Note: correctAnswer is required, the rest are optional. ("correctAnswer" is what the student would need to type in to the box to get the answer correct.)

For example:
correctAnswer: 123.40

And optionally, specify the following, but only if you need something different to the defaults: 'width' defaults to 5 if not present, and valid values are 3 to 10; 'prefix' and 'suffix' default to nothing if not present.
prefix: $
suffix: mm$^2$
width: 5

correctAnswerNcorrectAnswerValueAnswer
correctAnswer03

Variant 2

DifficultyLevel

632

Question

1.5+7.51.5\dfrac{1.5 + 7.5}{1.5} =

Worked Solution

1.5+7.51.5\dfrac{1.5 + 7.5}{1.5} = 1.51.5\dfrac{1.5}{1.5} + 7.51.5\dfrac{7.5}{1.5}
= 1 + 7.51.5\dfrac{7.5}{1.5}
= 1 + 5
= 6

Question Type

Answer Box

Variables

Variable nameVariable value
question
$\dfrac{1.5 + 7.5}{1.5}$ =
workedSolution
| | | | -----------------------------------:| ------------------------------------------------------ | | $\dfrac{1.5 + 7.5}{1.5}$ | \= $\dfrac{1.5}{1.5}$ + $\dfrac{7.5}{1.5}$ | | | \= 1 + $\dfrac{7.5}{1.5}$ | | | \= 1 + 5 | | | \= {{{correctAnswer0}}} |
correctAnswer0
6
prefix0
suffix0

Answers

Specify one or more 'ANSWER' block(s) as exampled below.
Note: correctAnswer is required, the rest are optional. ("correctAnswer" is what the student would need to type in to the box to get the answer correct.)

For example:
correctAnswer: 123.40

And optionally, specify the following, but only if you need something different to the defaults: 'width' defaults to 5 if not present, and valid values are 3 to 10; 'prefix' and 'suffix' default to nothing if not present.
prefix: $
suffix: mm$^2$
width: 5

correctAnswerNcorrectAnswerValueAnswer
correctAnswer06

Variant 3

DifficultyLevel

632

Question

2.25+7.652.25\dfrac{2.25 + 7.65}{2.25} =

Worked Solution

2.25+7.652.25\dfrac{2.25 + 7.65}{2.25} = 2.252.25\dfrac{2.25}{2.25} + 7.652.25\dfrac{7.65}{2.25}
= 1 + 7.652.25\dfrac{7.65}{2.25}
= 1 + (3×2.25)+0.902.25\dfrac{(3 \times 2.25) + 0.90}{2.25}
= 4 + 0.902.25\dfrac{0.90}{2.25}
= 4.4

Question Type

Answer Box

Variables

Variable nameVariable value
question
$\dfrac{2.25 + 7.65}{2.25}$ =
workedSolution
| | | | -----------------------------------:| ------------------------------------------------------------ | | $\dfrac{2.25 + 7.65}{2.25}$ | \= $\dfrac{2.25}{2.25}$ + $\dfrac{7.65}{2.25}$ | | | \= 1 + $\dfrac{7.65}{2.25}$ | | | \= 1 + $\dfrac{(3 \times 2.25) + 0.90}{2.25}$ | | | \= 4 + $\dfrac{0.90}{2.25}$ | | | \= {{{correctAnswer0}}} |
correctAnswer0
4.4
prefix0
suffix0

Answers

Specify one or more 'ANSWER' block(s) as exampled below.
Note: correctAnswer is required, the rest are optional. ("correctAnswer" is what the student would need to type in to the box to get the answer correct.)

For example:
correctAnswer: 123.40

And optionally, specify the following, but only if you need something different to the defaults: 'width' defaults to 5 if not present, and valid values are 3 to 10; 'prefix' and 'suffix' default to nothing if not present.
prefix: $
suffix: mm$^2$
width: 5

correctAnswerNcorrectAnswerValueAnswer
correctAnswer04.4

Variant 4

DifficultyLevel

634

Question

2.16+7.562.16\dfrac{2.16 + 7.56}{2.16} =

Worked Solution

2.16+7.562.16\dfrac{2.16 + 7.56}{2.16} = 2.162.16\dfrac{2.16}{2.16} + 7.562.16\dfrac{7.56}{2.16}
= 1 + 7.562.16\dfrac{7.56}{2.16}
= 1 + (3×2.16)+1.082.16\dfrac{(3 \times 2.16) + 1.08}{2.16}
= 4 + 1.082.16\dfrac{1.08}{2.16}
= 4.5

Question Type

Answer Box

Variables

Variable nameVariable value
question
$\dfrac{2.16 + 7.56}{2.16}$ =
workedSolution
| | | | -----------------------------------:| ------------------------------------------------------------ | | $\dfrac{2.16 + 7.56}{2.16}$ | \= $\dfrac{2.16}{2.16}$ + $\dfrac{7.56}{2.16}$ | | | \= 1 + $\dfrac{7.56}{2.16}$ | | | \= 1 + $\dfrac{(3 \times 2.16) + 1.08}{2.16}$ | | | \= 4 + $\dfrac{1.08}{2.16}$ | | | \= {{{correctAnswer0}}} |
correctAnswer0
4.5
prefix0
suffix0

Answers

Specify one or more 'ANSWER' block(s) as exampled below.
Note: correctAnswer is required, the rest are optional. ("correctAnswer" is what the student would need to type in to the box to get the answer correct.)

For example:
correctAnswer: 123.40

And optionally, specify the following, but only if you need something different to the defaults: 'width' defaults to 5 if not present, and valid values are 3 to 10; 'prefix' and 'suffix' default to nothing if not present.
prefix: $
suffix: mm$^2$
width: 5

correctAnswerNcorrectAnswerValueAnswer
correctAnswer04.5

Tags

  • nap_nc
  • staging_suejones