Math AI Tutor

FOR 4TH GRADE

NUMBER AND OPERATION is a common core content.Common core content means it touches K-12 students.

The State expected 4th grade student to have early exposure to the concept of Algebra. This problem is somewhat Pre-Algebra because it involves representing the word problem into mathematical subtraction of two given numbers. The concept of computing the unknown is now presented as a preparation for Algebra which deals with computing the unknown value of x . Here the letter x can represent the money needed by Nikki's class to buy the Pizza Party.

Pre-Algebra and Algebra is very important concept because Algebra equates or connect the physical things by discovering its pattern, relationship, association and finally create general rule, general equation or general theory without touching the physical things. Why is this important? Algebra is important because once the relationship or formula or equation was discovered it can be used to precisely do actual financial or physical transaction. Material waste and financial waste are eliminated by not doing trial and error.

ANSWER B.