ISEE Lower Level Quantitative : Operations

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

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Example Questions

Example Question #2 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

Amy’s street has three houses on it. The first house has \(\displaystyle 14\) rooms, the second house has \(\displaystyle 17\) rooms, and the third house has \(\displaystyle 13\) rooms. How many total rooms do the \(\displaystyle 3\) houses have? 

Possible Answers:

\(\displaystyle 27\)

\(\displaystyle 31\)

\(\displaystyle 30\)

\(\displaystyle 44\)

\(\displaystyle 43\)

Correct answer:

\(\displaystyle 44\)

Explanation:

This is an addition problem because we want to know how many total rooms the houses have all together. We can add the numbers in any order, \(\displaystyle 14+17+13=41.\)

Example Question #34 : Using Addition Within 100 To Solve Word Problems

Suzzy finds \(\displaystyle 23\) coins under her couch, \(\displaystyle 40\) in a drawer, and \(\displaystyle 12\) sitting out on the table. How many total coins does she have? 

Possible Answers:

\(\displaystyle 35\)

\(\displaystyle 52\)

\(\displaystyle 75\)

\(\displaystyle 53\)

\(\displaystyle 63\)

Correct answer:

\(\displaystyle 75\)

Explanation:

This is an addition problem because we want to know how many total coins Suzzy found all together. We can add the numbers in any order,\(\displaystyle 23+40+12=75.\) 

Example Question #34 : Using Addition Within 100 To Solve Word Problems

The gumball machine has \(\displaystyle 36\) red gumballs, \(\displaystyle 41\) green gumballs, and \(\displaystyle 23\) yellow gumballs. How many total gumballs are in the machine? 

Possible Answers:

\(\displaystyle 100\)

\(\displaystyle 64\)

\(\displaystyle 83\)

\(\displaystyle 77\)

\(\displaystyle 59\)

Correct answer:

\(\displaystyle 100\)

Explanation:

This is an addition problem because we want to know how many total gumballs the machine has all together. We can add the numbers in any order, \(\displaystyle 36+41+23=100.\) 

Example Question #502 : Operations & Algebraic Thinking

There are \(\displaystyle 3\) pots of flowers in Hannah’s yard. The first pot has \(\displaystyle 19\) flowers, the second pot has \(\displaystyle 31\) flowers, and the third pot as \(\displaystyle 12\) flowers. How many flowers are in all \(\displaystyle 3\) pots? 

Possible Answers:

\(\displaystyle 65\)

\(\displaystyle 43\)

\(\displaystyle 50\)

\(\displaystyle 31\)

\(\displaystyle 62\)

Correct answer:

\(\displaystyle 62\)

Explanation:

This is an addition problem because we want to know how many total flowers Hannah has all together. We can add the numbers in any order, \(\displaystyle 19+31+12=62.\) 

Example Question #41 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

Brian loves balloons. For his birthday, his mom tied \(\displaystyle 22\) balloons to the mailbox, \(\displaystyle 13\) balloons to the door, and put \(\displaystyle 42\) balloons in the house. How many total balloons does Brian have? 

Possible Answers:

\(\displaystyle 55\)

\(\displaystyle 64\)

\(\displaystyle 35\)

\(\displaystyle 77\)

\(\displaystyle 37\)

Correct answer:

\(\displaystyle 77\)

Explanation:

This is an addition problem because we want to know how many total balloons Brian has all together. We can add the numbers in any order, \(\displaystyle 22+13+42=77.\)

Example Question #41 : Using Addition Within 100 To Solve Word Problems

During my hockey game, I scored \(\displaystyle 12\) points in the first quarter, no points in the second quarter, and \(\displaystyle 13\) points in the third quarter. How many total points did I score? 

Possible Answers:

\(\displaystyle 27\)

\(\displaystyle 25\)

\(\displaystyle 23\)

\(\displaystyle 22\)

\(\displaystyle 26\)

Correct answer:

\(\displaystyle 25\)

Explanation:

This is an addition problem because we want to know how many total points were scored during the game. We can add the numbers in any order, \(\displaystyle 12+0+13=25.\) 

Example Question #42 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

Cindy has \(\displaystyle 3\) sets of steps in her house. There are \(\displaystyle 6\) steps to walk up to the front door, \(\displaystyle 22\) steps to get upstairs, and \(\displaystyle 26\) steps to get into the basement. How many total steps does Cindy have?  

Possible Answers:

\(\displaystyle 28\)

\(\displaystyle 57\)

\(\displaystyle 32\)

\(\displaystyle 54\)

\(\displaystyle 48\)

Correct answer:

\(\displaystyle 54\)

Explanation:

This is an addition problem because we want to know how many total steps are in Cindy’s house all together. We can add the numbers in any order, \(\displaystyle 6+22+26=54.\)

Example Question #43 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

The pet store sells bunnies, fish, and kittens. They have \(\displaystyle 15\) bunnies, \(\displaystyle 42\) fish, and \(\displaystyle 20\) kittens. How many total animals do they have?

Possible Answers:

\(\displaystyle 77\)

\(\displaystyle 62\)

\(\displaystyle 53\)

\(\displaystyle 35\)

\(\displaystyle 57\)

Correct answer:

\(\displaystyle 77\)

Explanation:

This is an addition problem because we want to know how many total animals the pet store sells all together. \(\displaystyle 15+42+20=77.\)

Example Question #95 : How To Add

Jessica’s dog gets \(\displaystyle 3\) walks a day. In the morning he goes for a \(\displaystyle 25\)-minute walk, in the afternoon he goes for a \(\displaystyle 60\)-minute walk, and in the evening he goes for a \(\displaystyle 15\)-minute walk. How many total minutes does Jessica’s dog walk each day? 

Possible Answers:

\(\displaystyle 85\)

\(\displaystyle 40\)

\(\displaystyle 103\)

\(\displaystyle 75\)

\(\displaystyle 100\)

Correct answer:

\(\displaystyle 100\)

Explanation:

This is an addition problem because we want to know how many total minutes Jessica’s dog walks all together in a day. We can add the numbers in any order, \(\displaystyle 25+60+15=100.\) 

Example Question #44 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

Rick, his mom, and dad went to the batting cages. Rick hits \(\displaystyle 15\) balls, his dad hits \(\displaystyle 31\) balls, and his mom hits \(\displaystyle 13\) balls. How many total balls did they hit? 

Possible Answers:

\(\displaystyle 29\)

\(\displaystyle 44\)

\(\displaystyle 58\)

\(\displaystyle 59\)

\(\displaystyle 46\)

Correct answer:

\(\displaystyle 59\)

Explanation:

This is an addition problem because we want to know how many total balls Rick and his parents hit all together at the batting cages. We can add the numbers in any order, \(\displaystyle 15+31+13=59.\) 

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