SSAT Elementary Level Math : How to subtract

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

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Example Questions

Example Question #236 : Numbers And Operations

Fred is waiting at the back of a line. There are  people in front of him. Fred leaves the line to use the bathroom, then returns. While he was in the bathroom,  people left the line and  new people joined the line. How many people are now in front of Fred?

Possible Answers:

 people

 people

 people

 people

 people

Correct answer:

 people

Explanation:

There were  people in line before Fred went to the bathroom.  of them left, so the number remaining would be , which equals . To account for the  new people that showed up, add  to this.  gives the total number of people now in front of Fred.

Example Question #236 : Ssat Elementary Level Quantitative (Math)

Shawn bought two coats at the jacket store for .  He returned one of the two coats the next day and received  back on his credit card.  How much did the other coat cost?

Possible Answers:

Correct answer:

Explanation:

In order to find the cost of the coat that Shawn kept you must subtract the amount of money that went back on his credit card from the total that he spent on the two coats.  

Example Question #241 : Numbers And Operations

Find the quotient and show a remainder if necessary. Remainders are expressed as .

Possible Answers:

Correct answer:

Explanation:

In order to do this question, think about how many times 7 goes into 50.  We should know 7 times itself is 49.  Thus 7 goes into 50 at least 7 times with how many left over?   so the answer is .

Example Question #21 : How To Subtract

Find the difference.

Possible Answers:

Correct answer:

Explanation:

Finding a difference means to subtract.  

In the hundredths column, we can easily subtract 

In the tenths column we must borrow from the 7 (making it 6) and also making the 2 a 12.  Now we can subtract 

Finally in the ones column we can subtract 

Thus the final answer is 1.43.

Example Question #21 : How To Subtract

McKenzie is given 12 tickets to spend on prizes at the arcade. She decides to buy a teddy bear that costs 2 tickets, a piece of candy that costs 1 ticket, and a snow globe that costs 5 tickets. How many tickets does McKenzie have after buying the prizes?

Possible Answers:

Correct answer:

Explanation:

McKenzie started with 12 tickets. The word "spent" in the problem means that we subtract the cost of the teddy bear, candy, and snow globe from McKenzie's original amount of tickets.

Example Question #243 : Numbers And Operations

Solve for 

Possible Answers:

Correct answer:

Explanation:

Example Question #244 : Numbers And Operations

At the circus, Christian reached in his pocket and realized he had 45 cents. He decided to buy an ice cream bar for 23 cents. How much money did he have left?

Possible Answers:

Correct answer:

Explanation:

Because Christian is purchasing an ice cream cone, he is going to have less money than before, so this is a subtraction problem. If you start with 45 cents, that's 4 tens, and 5 ones. Taking away 23 cents means taking away 2 tens and 3 ones, so

, or , and

,

so Christian has  cents left, or  cents.

Example Question #245 : Numbers And Operations

Jackson was at the bakery and decided to buy a muffin. He had 25 cents and the muffin cost 12 cents. Which number sentence matches the question and shows how much money Jackson had left?

Possible Answers:

Correct answer:

Explanation:

Since Jackson is purchasing a muffin, he will have less money than when he started, which is a subtraction operation. Because he starts with 25 cents and the muffin costs 12 cents, the number sentence should begin

To solve the problem, 25 has 2 tens and 5 ones, and we need to take away 12, which has 1 ten and 2 ones.

, or , and

.

, so Jackson will have  cents left.

Example Question #243 : Ssat Elementary Level Quantitative (Math)

Helen threw a javelin . Winston threw a javelin . How much further than Winston did Helen throw her javelin?

Possible Answers:

Correct answer:

Explanation:

Subtract the distance of Winston's throw from the distance of Helen's throw to find how much further Helen threw her javelin.

Example Question #22 : How To Subtract

Ronnie is making Valentine's Day cards for his 10 best friends. If he already made 2 cards yesterday in class, how many more cards does he need to make today?

Possible Answers:

Correct answer:

Explanation:

Ronnie starts out needing to make 10 total cards. Since he already made 2 cards yesterday, we can subtract 2 from our original amount (10) to determine how many cards still need to be made.

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