SSAT Elementary Level Math : Operations

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

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Example Questions

Example Question #31 : Operations

Bob is \displaystyle 5 inches shorter than his older brother Terry. If Terry is \displaystyle 61 inches tall, how tall is Bob?

Possible Answers:

\displaystyle 51\ inches

\displaystyle 56\ inches

\displaystyle 71\ inches

\displaystyle 66\ inches

Correct answer:

\displaystyle 56\ inches

Explanation:

To find Bob's height, you must subtract (shorter than) Terry's height by the difference of heights between the brothers:

\displaystyle 61-5=56\ inches

Example Question #1611 : Grade 6

Elliot bought \displaystyle 3 coffee drinks from a famous coffee shop. The first two drinks cost him \displaystyle \$8.91 and he paid a total of \displaystyle \$12.35. How much did the third drink cost?

Possible Answers:

\displaystyle \$3.44

\displaystyle \$2.78

\displaystyle \$4.36

\displaystyle \$3.23

Correct answer:

\displaystyle \$3.44

Explanation:

To find the cost of the third drink, you must subtract the total cost by the cost of the two drinks.

\displaystyle $12.35 - $8.91 = \$3.44

Example Question #251 : Numbers And Operations

\displaystyle 5.89 - 3.98 =

Possible Answers:

\displaystyle 1.91

\displaystyle 2.10

\displaystyle 2.01

\displaystyle 1.89

Correct answer:

\displaystyle 1.91

Explanation:

\displaystyle 5.89 - 3.98 =

We first subtract the hundredths place: \displaystyle 9-8 = 1

Then the tenths place: Since \displaystyle 8 is less than \displaystyle 9, we have to borrow from the \displaystyle 5, the \displaystyle 5 becomes a \displaystyle 4 and the \displaystyle 8 becomes \displaystyle 18: \displaystyle 18 - 9 = 9

Then the ones place: \displaystyle 4-3 = 1

So the final answer is \displaystyle 1.91.

Example Question #252 : Numbers And Operations

\displaystyle 11.85 - 8.94 =

Possible Answers:

\displaystyle 2.85

\displaystyle 3.01

\displaystyle 2.91

\displaystyle 2.87

Correct answer:

\displaystyle 2.91

Explanation:

\displaystyle 11.85 - 8.94 =

We first subtract the hundredths place: \displaystyle 5 - 4 = 1

Then the tenths place: Since \displaystyle 8 is less than \displaystyle 9, we have to borrow from the \displaystyle 1, the \displaystyle 1 becomes a \displaystyle 0 and the \displaystyle 8 becomes \displaystyle 18: \displaystyle 18 - 9 = 9

Then the ones place: \displaystyle 0-8, since the \displaystyle 0 is less than \displaystyle 8, we have to borrow from the \displaystyle 1, the \displaystyle 1 becomes \displaystyle 0 is the tens place, and the \displaystyle 0 becomes \displaystyle 10 in the ones place:

\displaystyle 10-8 = 2

So the final answer is \displaystyle 2.91.

Example Question #32 : Operations

Devyn is given a $100 bill from his father. He spends some of that money on a $29 video game and a $22 sweater. How much money does Devyn have left now?

Possible Answers:

\displaystyle \$ 51

\displaystyle \$ $49

\displaystyle \$ 31

\displaystyle \$ 68

\displaystyle \$ 29

Correct answer:

\displaystyle \$ $49

Explanation:

Since Devyn is spending money, we need to subtract his purchases from the original amount of money that he is given by his father!

\displaystyle \$ 100 - \$ 29 - \$ 22 = \$ 49

Example Question #33 : Operations

Madonna decided to donate some of her toys to charity. She had 22 toys, and donated 8 of them to charity. After donating, how many toys does Madonna have left?

Possible Answers:

\displaystyle 6

\displaystyle 11

\displaystyle 9

\displaystyle 14

\displaystyle 18

Correct answer:

\displaystyle 14

Explanation:

Since Madonna is giving away some of her toys, we need to subtract!

\displaystyle 22 - 8 = 14

Example Question #254 : Numbers And Operations

Yvette donates \displaystyle \$50 from her weekly paycheck to charity. She earns \displaystyle \$225 per week. How much money is Yvette left with each week after her charitable donation?

Possible Answers:

\displaystyle \$155

\displaystyle \$275

\displaystyle \$175

\displaystyle \$150

\displaystyle \$250

Correct answer:

\displaystyle \$175

Explanation:

Since Yvette is giving away part of her earnings to charity, she is losing money every week. Thus, we should subtract!

\displaystyle \$225 - \$50 = \$175

 

Example Question #255 : Numbers And Operations

\displaystyle 89 - 66 =

Possible Answers:

\displaystyle 23

\displaystyle 21

\displaystyle 24

\displaystyle 22

\displaystyle 20

Correct answer:

\displaystyle 23

Explanation:

Find the difference between the digits in each place value:

Ones place: \displaystyle 9 - 6 = 3

This is the new digit in the ones place

Tens place: \displaystyle 8 - 6 = 2

This is the new digit in the tens place

\displaystyle 89 - 66 = 23

Example Question #256 : Numbers And Operations

Emmanuel has \displaystyle 18 trading cards. He gives \displaystyle 2 to his younger brother, \displaystyle 5 to his best friend, and \displaystyle 3 to his cousin. How many trading cards does Emmanuel have left?

Possible Answers:

\displaystyle 8

\displaystyle 16

\displaystyle 0

\displaystyle 28

\displaystyle 5

Correct answer:

\displaystyle 8

Explanation:

Since Emmanuel is giving away some of his cards, we need to subtract!

\displaystyle 18 - 5 - 3 - 2 = 8

Example Question #34 : Operations

Place the following numbers in ascending order:

\displaystyle 4,12,11,2

Possible Answers:

\displaystyle 4,2,11,12

\displaystyle 12, 11, 4, 2

\displaystyle 4,2,11,12

\displaystyle 2,4,11,12

\displaystyle 2,4,12,11

Correct answer:

\displaystyle 2,4,11,12

Explanation:

2 is less than 4, 4 is less than 11, and 11 is less than 12.

Note that ascending means increasing, not decreasing!

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