Letters and symbols in multiplication and division equations

The  exercise appears under the 3rd grade (U.S.) Math Mission. This exercise practices using letters and symbols while multiplying and dividing.

Types of Problems
There is one type of problem in this exercise:


 * 1) What is the value of ___?: This problem asks the student to find the value of the letter or symbol that would complete the equation.Letters and symbols in multiplication and division equations.PNG Letters and symbols in multiplication and division equations2.PNG

Strategies
Knowledge of basic multiplication and division are required in this exercise.
 * 1) Letters and symbols in math problems that represent values can also be called "variables".

Real-life Applications

 * 1) Multiplication is needed and used by mechanics for repairing cars by multiplying when they overhaul the engine, measure the pistons or just to put in a new gearbox or engine.