## Open Questions

Our mathematical engine automatically compares the correct answer to the student's answer and grades it accordingly
Isolate the variable
$y$ in $y-x=2$:

Correct answer

Student answer

Calculate the sum
$\frac{1}{4}+\frac{1}{4}$:

Correct answer

Student answer

## Evaluation Rules

Instructors can select rules for evaluation and our tool automatically validates these additional grading properties
Simplify the fraction
$\frac{2}{4}$:

Correct answer

Student answer

Calculate the sum
$30\mathrm{cm}+500\mathrm{mm}$:

Correct answer

Student answer

## Dynamic Questions with Random values

We help prevent cheating by allowing you to use random parameters in your assessment questions and create dynamic questions
Add two random fractions:

Correct answer

Student answer

Interpret this bar chart:

## Graphical answer

Students can answer questions with an interactive graphical representation
Draw the bisector of the highlighted angle.

Fill the region delimited by
$\left\{\begin{array}{ll}x-y& 0\\ 2x+y\phantom{\rule{0ex}{0ex}}x& 0\phantom{\rule{0ex}{0ex}}10\end{array}\right.$

## Advanced mathematics

Our engine understands all levels of maths: from K-12 all the way to collegeStatement

Correct answer

Give a basis of the (randomly computed) subspace
$F=\left\{\right(x,y,z)\in {\mathrm{\mathbb{R}}}^{3}:\hspace{0.17em}2x+y+z=0\}$

$\left\{\right[1,-1,-1],[1,0,-2\left]\right\}$

$\left\{\right[1,-1,-1],[1,-2,0\left]\right\}$

$\left\{\right[1,0,-2],[1,-2,0\left]\right\}$

$\left\{\right[3,-2,-4],[-2,5,-1\left]\right\}$ ... and any mathematically correct answer!

$\left\{\right[1,-1,-1],[1,-2,0\left]\right\}$

$\left\{\right[1,0,-2],[1,-2,0\left]\right\}$

$\left\{\right[3,-2,-4],[-2,5,-1\left]\right\}$ ... and any mathematically correct answer!

Statement

Correct answer

Give a solution for the following ODE:
$y\text{'}+\mathrm{sin}\left(x\right)y={\mathrm{e}}^{\mathrm{cos}\left(x\right)}$

$x{\mathrm{e}}^{\mathrm{cos}\left(\mathrm{x}\right)}$

$\left(x+1\right){\mathrm{e}}^{\mathrm{cos}\left(\mathrm{x}\right)}$

$\left(x+k\right){\mathrm{e}}^{\mathrm{cos}\left(\mathrm{x}\right)}$ ... and any mathematically correct answer!

$\left(x+1\right){\mathrm{e}}^{\mathrm{cos}\left(\mathrm{x}\right)}$

$\left(x+k\right){\mathrm{e}}^{\mathrm{cos}\left(\mathrm{x}\right)}$ ... and any mathematically correct answer!

## Fill in the Blank Questions

Create fill in the blank STEM questions with multiple gaps
Given the following function, fill in the blanks in the table:

## Statistical Questions ^{new}

Our graphic tool also allows for representing statistical charts that are interactive for the student
Group the number of rainy days over the year 2020 in Barcelona into groups of three months, according to the following data:

Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |

5 | 6 | 9 | 16 | 12 | 17 | 11 | 13 | 16 | 17 | 13 | 10 |

After the elections for the delegate of a class, Alice recieved 13 votes, Bob 9 and Charlie 4.

Represent the results of the election using the following pie chart:

Represent the results of the election using the following pie chart:

## Sketch answer ^{new}

Students can answer graphical questions by sketching the correct answer
Sketch the tangent line to the minimum point of the parabola.

Sketch a circle of radius 2 centered at the coordinate origin.