SSAT Middle Level Math : Numbers and Operations

Study concepts, example questions & explanations for SSAT Middle Level Math

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Example Questions

Example Question #4 : Adding Mixed Numbers

Solve: 

Possible Answers:

Correct answer:

Explanation:

When we add mixed numbers, we add whole numbers to whole numbers and fractions to fractions. 

Remember, when we are adding fractions we must have common denominators and we only add the numerators. 

Example Question #1191 : Common Core Math: Grade 4

On Monday it snowed  of an inch in the afternoon and  of an inch in the evening. What was the total amount of snowfall on Monday?

Possible Answers:

Correct answer:

Explanation:

To solve this problem, we are putting the amount of snowfall from the afternoon and the evening together, so we add the fractions. 

 2 4

Example Question #291 : Number & Operations: €”Fractions

Solve the following:

Possible Answers:

Correct answer:

Explanation:

When we add fractions, we must have common denominators. Whenever we have a number over  or  we can add (s) to the numerator and denominator to make common denominators.

Example Question #5 : Build Fractions From Unit Fractions

 is equal to which of the options below? 

Possible Answers:

Correct answer:

Explanation:

When we add fractions, we have to have common denominators and we only add the numerators. 

Example Question #1 : Adding Fractions In Word Problems

In Charlie's pantry,  of the items are potato chips,  of the items are tortilla chips, and the rest are cookies or crackers. What fraction are chips?

Possible Answers:

Correct answer:

Explanation:

To solve this problem, we are putting the potato chips and the tortilla chips together, so we add the fractions. 

3 5

Example Question #1 : How To Subtract Fractions

 hours is how many more minutes than  hours?

Possible Answers:

Correct answer:

Explanation:

This question requires you to subtract fractions as well as convert hours to minutes.  

Subtracting  hours  from  hours 

you get  hours .  

3 hours is 180 minutes 

and  of an hour is 45 minutes .

Thus the answer is

Example Question #2 : How To Subtract Fractions

Evaluate:

Possible Answers:

Correct answer:

Explanation:

"Borrow" 1 from the 9 to form . You can then subtract integers and fractions vertically:

Example Question #3 : How To Subtract Fractions

Evaluate:

Possible Answers:

Correct answer:

Explanation:

Rewrite as the difference of improper fractions:

Rewrite with a common denominator, then subtract numerators:

Rewrite as a mixed number:

Example Question #4 : How To Subtract Fractions

Evaluate:

Possible Answers:

Correct answer:

Explanation:

Rewrite as the difference of improper fractions:

Rewrite with a common denominator, then subtract numerators:

Rewrite as a mixed number:

so

Example Question #5 : How To Subtract Fractions

Evaluate:

Possible Answers:

Correct answer:

Explanation:

"Borrow" 1 from the 5 to form . You can then subtract integers and fractions vertically:

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