ISEE Lower Level Math : How to subtract

Study concepts, example questions & explanations for ISEE Lower Level Math

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Example Questions

Example Question #21 : How To Subtract

Solve:

Possible Answers:

Correct answer:

Explanation:

To solve this problem, first evaluate the expression in parentheses:





Then simplify: 

Example Question #22 : How To Subtract

Evaluate:

Possible Answers:

Correct answer:

Explanation:

To evaluate this problem correctly, first find the product of  and find the product of .





Then find the difference between  and :

Example Question #23 : How To Subtract

Group A has . Group B has . Group C has . What is the difference between the sum of Groups A & B with the amount of money in Group C?

Possible Answers:

Correct answer:

Explanation:

Firstly, find the sum of group A and group B:



Then find the difference between this sum and the original amount of money in group C:

Example Question #24 : How To Subtract

Solve for 



Possible Answers:

Correct answer:

Explanation:

To solve for , first get all of the  by themselves on one side of the equal symbol: 



Then combine the like terms: 



Thus, the final solution is: 



Example Question #25 : How To Subtract

Simplify: 

Possible Answers:

Correct answer:

Explanation:

To evaluate this problem, use the distributive property: 



Alternatively you could have evaluated the expression within the parentheses first and then multiplied by :



Example Question #26 : How To Subtract

Solve for 

Possible Answers:

Correct answer:

Explanation:

To correctly solve for , organize the like terms on either side of the equal symbol: 





Thus, the final solution is:



Example Question #171 : Operations

Solve for 

Possible Answers:

Correct answer:

Explanation:

To evaluate this expression for , first organize the like terms on separate sides of the equal symbol: 



Thus, the final solution is:



Example Question #26 : How To Subtract

Juan went to the store with . Juan spent  on toothpaste,  on juice and  on meats. How much money did Juan leave the store with? 

Possible Answers:

Correct answer:

Explanation:

Firstly, find the total amount of money that Juan spent at the store: 



Now, find the difference between the amount of money Juan entered the store with and the amount that he spent: 

Example Question #22 : How To Subtract

Evaluate: 

Possible Answers:

Correct answer:

Explanation:

To correctly evaluate this problem, apply the standard orders of operations rules. Therefore, you must first divide: 



Then find the sum of: 

Example Question #23 : How To Subtract

Simplify:

Possible Answers:

Correct answer:

Explanation:

To solve this problem first apply the distributive property then combine the like terms:

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