Mathematics Disorder

Mathematics disorder is a condition characterized by mathematical ability substantially below expectation for a child's age, general intelligence, and education.

Causes, incidence, and risk factors

Children who have mathematics disorder may have trouble performing simple mathematical equations, such as counting and adding.

Mathematical disorder may appear in combination with reading disorder, developmental coordination disorder, and mixed receptive-expressive language disorder.


  • Early difficulties with arithmetic
  • Trouble with counting and adding
  • Low scores in mathematics

Signs and tests

Standardized tests are of greatest value in assessing mathematical ability, as is corroborating history from grades and class performance.


The best treatment is remedial education. Other programs that have been successful include "Project Math" and teaching computer skills.

Expectations (prognosis)

Early intervention improves the chances of a better outcome.


The child may have problems in school, including behavior problems and loss of self-esteem.

Calling your health care provider

Call for an appointment with your health care provider if you have any concerns about your child's development.


Affected families should make every effort to recognize existing problems early. Intervention may begin as early as kindergarten or elementary school.

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Basic Math - mathematics

Question 1
Hi Mathematics expert

Given the dimensions of a box, how will you find the measure of the longest line that can be inserted in that box? (Hint: You are actually finding the line that connects the vertex in the upper left back portion and the vertex in the lower right front portion, got it?) Good luck!

Happy Holidays!

It would be hard to describe the figure so please follow my solution carefully.

Considering that the box (rectangular prism) has three-dimension qualities, the answer would be figured out using Pythagorean Theorem.

The ends of the prism will constitute in answering the question. Measure the height and the width; use Pythagorean Theorem to calculate the hypothenuse. Now, use the calculated hypothenuse and the length of the prism as sides of a right triangle. Again, use Pythagorean Theorem to calculate the missing length of the hypotenuse.

I'm very sorry for the untimely answer. I thought I was able to put myself on vacation.

Hope this helps,
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