Register

A student evaluated −4 + (−9 1/2) and got an answer of 5 1/2. What might the student have done wrong?

A student evaluated −4 + (−9 1/2) and got an answer of 5 1/2. What might the student have done wrong?
53.7k views
0 votes
A student evaluated −4 + (−9 1/2) and got an answer of 5 1/2. What might the student have done wrong?

User AniketGM
by
7.6k points

1 Answer

2 votes

Answer:

  1. Never converted -9 1/2 into an improper fraction
  2. Added the two numbers together instead of subtracted

I hope this helps!

User Adrian Merrall
by
7.9k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!