SCI Math Minds Sample Questions
Grade 1 

Grade 11  Solve the following946
+ 495 —————————— 
Grade 12  What is the value of ?
37 = 26 – 8 + __?__ 
Grade 13  Today is Wednesday. What day of the week is 15 days from today? 
Grade 14  Bob had 80¢. He spent 1 dime, 2 nickels and 1 penny. How much money is left with Bob now? 
Grade 15  Sandy is 6 years older than Jane. Beverly is 3 years younger than Jane. How many years older is Sandy than Beverly? 
Grade 2 

Grade 21  Solve the following449 + ____ = 1004 + 2 
Grade 22  I am an even, threedigit number. I am greater than 338 and less than 342. What number am I? 
Grade 23  Matt was playing from 10:00 AM till 2:10 PM on the same day. How many minutes did Matt play? 
Grade 24  Ann bought cake that costs $10.50. She gave a twenty dollar bill at the checkout counter. How much change did Ann get back? 
Grade 25  Erna likes to write down all whole numbers from 5 to 129 in a sequence. How many even numbers will there be? 
Grade 3 

Grade 31  A man has 8 sons. Each of these sons has 8 sons. How many people does it make all together including the man? 
Grade 32  There are 21 students in a class. Twothird of them are girls. How many boys are in the class? 
Grade 33  A patient took 5 ml of medicine 4 times a day for one week. How much medicine did the patient take altogether? 
Grade 34  If I earn $2 every 30 minutes, how much do I earn in 12 hours? 
Grade 35  Sam is 6 years older than Joe. Ben is 3 years younger than Joe. How many years older is Sam than Ben? 
Grade 4 

Grade 41  One side of an equilateral triangle is 8 inches long. What is the triangle’s perimeter? 
Grade 42  Sue is filling snack bags. She always puts 7 cookies into each snack bag. She wants to find the number of snack bags she can fill using 42 cookies. 
Grade 43  Find the largest whole number such that 7 times that number is less than 100. 
Grade 44  10 divided by equals 
Grade 45  Kathy makes 6 out of every 7 shots she tries when she plays basketball. Out of 28 shots Kathy tries, how many shots will she make? 
Grade 5 

Grade 51  Five children divided some cake equally. Three of the children together got what percentage of the cake? 
Grade 52  On a TV channel, commercials are shown for 6 minutes in a 30 minute slot. What fractional part of an hour were commercials shown? 
Grade 53  I have 27 cents. If I doubled the number of nickels I have, I would then have 42 cents. Exactly how many nickels do I originally have? 
Grade 54  After a girl spends 1/3 of her money and loses ½ of the remainder, she then has $20 left. She started with? 
Grade 55  Five children line up at the lunch counter. In how many different orders can they arrange themselves in line? 
Grade 6 

Grade 61  The sum of three consecutive integers is 33. What is the product of these three integers? 
Grade 62  What is the largest 3 digit number which is divisible by 9 but not by 27? 
Grade 63  A scientist has to repeat an experiment several times. The scientist uses 2/15 th of a pound of a material in each attempt. The total amount of the material available is 60 pounds. How many maximum numbers of attempts can the scientist make? 
Grade 64  What is the average of all the integers greater than 100 and less than 200? 
Grade 65  If one letter is chosen at random from all the letters contained in word inciting, what is the probability that the letter chosen is the letter “n”? 
Grade 7 

Grade 71  There are three numbers. Any two numbers taken at a time add up to 10. What is the sum of all the three numbers? 
Grade 72  What is the smallest 3 digit number greater than 100 which is divisible by both 5 and 17? 
Grade 73  In a class there are 42 students. Every student plays at least one game among Football or Basketball. 25 students play Football and 26 students play Basketball. How many students play both Football & Basketball? 
Grade 74  There are 6 people at a Christmas party. If every person brought one gift to give to every other person, how many gifts are there in all? 
Grade 75  A light bulb purchased at a retail store has a 10% probability that it is defective. If a person bought 2 light bulbs, what is the probability that both of them are not defective? Express as a decimal. 