Show:
Time
Measurement
Money
Problem Solving
CHALLENGE
100
A dance lesson lasts 40 minutes, and it started at 11:50. Stan was late and came to class exactly half way through. What time did Stan come to class?
12:10
100
Several kids were measuring the length of a sandbox by their steps. Anna needed 15 whole steps to walk its length, Beata needed 17 whole steps, Daniel needed 12 whole steps, and Igor needed 14 whole steps. Whose steps were the longest?
Daniel
100
At the cosmetics store, you can buy a bar of soap for $4, a bottle of shampoo for $9, and a jar of face cream for $5. You can also buy these three items as a set for $15. How much money would mother save if she buys the set instead of buying the three items separately?
$3
100
Matthew and Clara live in a skyscraper. Clara lives 12 floors above Matthew. One day Matthew went to visit Clara, and he took the stairs up from his apartment to Clara's apartment. Half-way up he was on the 8th floor. On what floor does Clara live?
14th floor
100
The ladybugs which live on an enchanted meadow are either red and have 6 spots, or yellow and have 10 spots. Various animals, including both red and yellow ladybugs, came to a birthday party for the dragonfly. The dragonfly noticed that the total number of spots on the ladybugs that were at the party was 42. how many ladybugs came to the dragonfly's birthday party?
5
200
Adam spent five days preparing for a test. The first day he solved one problem, and on each consecutive day he solved twice as many problems as the day before. How many problems did Adam solve altogether preparing for the test?
31
200
A red kangaroo and a gray kangaroo together weigh 139 kg. The red kangaroo weighs 35 kg less than the gray kangaroo. How much does the gray kangaroo weigh?
87 kg
200
An adult ticket to the zoo costs $4, and a ticket for a child is $1 cheaper. On a certain Sunday, a father and mother went to the zoo with their four children. How much did they have to pay for the tickets?
$20
200
A farmer who raises chickens has boxes which hold 6 eggs each and boxes which hold 12 eggs each. What is the least number of boxes he needs to store 66 eggs?
6 boxes
200
During a party each of two identical cakes was divided into four equal pieces. Then each of these pieces was divided into three equal pieces. After that each of the people at this party got a piece of cake and three pieces were left over. How many people were at this party?
21
300
Olivia is ten years old and is six times younger than her grandmother. Olivia's grandmother is 14 years older than the ages of Olivia and her mother added together. Olivia's great-grandmother's age is equal to the sum of Olivia's grandmother's and Olivia's mother's ages. How old is Olivia's great-grandmother?
96
300
One side of a rectangle is 8 cm long, while the other is half as long. A square has the same perimeter as the rectangle. What is the length of the side of the square?
6 cm
300
Paul had some money in his piggy bank. On his mother's birthday he borrowed 17 dollars from his sister and bought a present for his mother for 21 dollars. He had 15 dollars left over. How many dollars did Paul have in his piggy bank in the beginning?
19
300
Eva the centipede has 50 pairs of feet. She had shoes on some of her feet, but on the rest of her feet she did not have shoes. Today she bought 16 pairs of new shoes and put them on the feet that were without shoes. She still has 7 pairs of feet without shoes. On how many feet did she have shoes before she bought the 16 pairs of shoes?
27
300
A certain dance group starts out with 25 boys and 19 girls. Every week 2 more boys and 3 more girls join the dance group. After how many weeks will there be the same number of boys and girls in the dance group?
6
400
Michael is painting the word KANGAROO on a poster. Each day he paints one letter. He painted the first letter on a Wednesday. What day of the week will it be when he paints the last letter?
Wednesday
400
A certain small hotel can hold 39 guests. There are 5 three person rooms and a certain number of two person rooms. How many two person rooms are there?
2
400
In the land of Funnyfeet, the left foot of each man is two sizes bigger than his right foot, and the left foot of each woman is one size bigger than her right foot. However, shoes are always sold in pairs of the same size, and only in whole sizes. A group of friends decided to buy green shoes, and to save money they bought shoes together. After they all put on the shoes that fit them, there were exactly two shoes left over, one of size 36 and another of size 45. What is the smallest possible number of people in the group?
5
400
Adam, Luke, Tom, and Alex went out for ice cream. Adam ate more ice cream than Alex, and Tom ate more ice cream than Luke, but less than Alex. List the boys in order from the one who ate the most ice cream to the one who ate the least?
Adam, Alex, Tom, Luke
400
Paul, Darius, Micah, and Jeff met at a concert in Chicago, but they came from different cities: Pittsburg, Dallas, New York, and Washington. We know that: * Paul and the boy from Washington met in Chicago early in the morning on the day of the concert. They had never been to Pittsburg or to New York. * Micha is not from Washington, and he came to Chicago later than the boy from Pittsburgh. * Jeff liked the concert more than the boy from Pittsburgh did. What city is Jeff from?
Jeff is from Washington
500
A tower clock strikes on the hour as many times as the hour (that is, it strikes 8 times at 8:00, 9 times at 9:00, and so on). It also strikes once when it is half past the hour. How many times will the clock strike between 7:45 and 10:45?
30 times
500
A certain movie is 90 minutes long. It started at 5:10 pm. During the movie, there was two commercial breaks, one lasting 8 minutes and one lasting 5 minutes. At what time did the movie finish?
6:53 PM
500
Ala, Lenka, and Miso went out for dessert. Lenka paid 4 dollars and 50 cents for three scoops of ice cream. Miso paid 3 dollars and 60 cents for two cookies. How much did Ala pay for one scoop of ice cream and one cookie?
3 dollars and 30 cents
500
Grandpa has a 10 m by 20 m yard. One of the shorter sides of the yard is along the house. Grandpa decided to put a fence around the remaining three sides of the yard and to paint the fence. Painting 5 m of the fence uses one-half of a two-gallon can of paint. A can of paint costs $40. How much will Grandpa pay for the paint he needs to paint the whole fence?
$200
500
A farmer has 30 cows, some chickens and no other animals. The total number of the legs of the chickens is equal to the total number of the legs of the cows. How many animals does the farmer have altogether?
90