加拿大国际袋鼠数学竞赛试题-2013年

(A) 20
(B) 30
(C) 40
(D) 50
(E) 60
11. There is a house on each corner of the streets. The houses
are shown on the map. Two new houses will be built on
each street between the corner houses. How many houses
will there be in all?
(A) 8
(B) 12
(C) 16
(D) 20
(E) Other answer
12. Kasia has 3 brothers and 3 sisters. How many brothers and how many sisters does her brother Mike have?
strawberries?
(A) 12
(B) 36
(C) 18
(D) 24
(E) 6
16. Sophie makes a row of 10 houses with matchsticks. In the picture you can see the beginning of the row. How many matchsticks does Sophie need altogether?
Year 2013
9. Cat and Mouse are moving to the right. When Mouse jumps 1 tile, Cat jumps 2 tiles at the same time.
On which tile does Cat catch Mouse?
(A) 1
(A) 3 brothers and 3 sisters
(B) 3 brothers and 4 sisters
(C) 2 brothers and 3 sisters
(D) 3 brothers and 2 sisters
(E) 2 brothers and 4 sisters
Part C: Each correct answer is worth 5 points.
How many sandwiches can she prepare from two and a half packages of bread?
(A) 24
(B) 30
(C) 48
(D) 34
(E) 26
8. About the number 325, five boys said:
Andrei: "This is a 3-digit number"
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
14. Ann has a lot of these pieces:
She tries to put them in the square, as many as possible. How many cells shall be left empty?
(A) 7
(B) 9
(C) 10
(D) 30
(E) 8
4. How many triangles of all sizes can be seen in the picture below?
(A) 9
(B) 10
(C) 11
(D) 13
(E) 12
5. In London 2012, the USA won the most medals: 46 gold, 29 silver and 29 bronze. China was second
tulips. They started at 9:00 in the morning. At what time will they finish planting all 20 tulips?
(A) At 9:10
(B) At 9:20 (C) At 9:40
(D) At 9:50
(E) At 10:00
(C) 2 and 0
(D) 6 and 9
(E) 7 and 1
2. There are twelve books on a shelf and four children in a room. How
many books will be left on the shelf if each child takes one book?
twins. All twins are boys. At most how many girls are in these families?
(A) 2
(B) 3
(C) 4
(D) 5
(E) 6
7. Vero's mother prepares sandwiches with two slices of bread each. A package of bread has 24 slices.
(A) 1
(B) 2
(C) 3
(D) 4
(E) Other number
Grade 3-4
Year 2013
International Contest-Game MATH KANGAROO
Part A: Each correct answer is worth 3 points. 1. In which figure is the number of black kangaroos bigger than the number of white kangaroos?
6. How many more bricks are there in the larger stack?
(A) 4
(B) 5
(C) 6
(D) 7
Part B: Each correct answer is worth 4 points.
(E) 10
7. Ann has
. Barb gave Eve
(A) 0
(B) 1
(C) 2
(D) 3
(E) 4
Grade 1-2
15. In a game it is possible to make the following exchanges:
Year 2013
Adam has 6 pears. How many strawberries will Adam have, when he trades all his pears for just
Grade 1-2
International Contest-Game MATH KANGAROO
Part A: Each correct answer is worth 3 points. 1. Which digits are missing?
Year 2013
(A) 3 and 5 (B) 4 and 8
13. Ania makes a large cube from 27 small white cubes. She paints all the faces of the large cube. Then Ania removes four small cubes from four of the corners, as shown. While the paint is still wet, she stamps each of the new faces onto a piece of paper. How many of the following stamps can Ania make?
(B) 2
(C) 3
(D) 4
(E) 5
10. I am a number. If you count by tens you will say my name. I am not ten. If you add me to 30, you will get a
number less than 60. Who am I?
How many legs do all these babies have altogether?
(A) 20
(B) 18
(C) 16
(D) 14
(E) 12
5. Several students want to plant 20 tulips in the school garden. It takes ten minutes for them to plant five
(B)
(C)
(D)
(E)
3. Monica arrived in the Kangaroo Camp on July 25th in the morning and left the camp on August 3rd in
the afternoon. How many nights did she sleep in the camp?
(A)
(B)
(C)
(D)
(E)
2. Aline writes a correct calculation. Then she covers two digits which are the same with a sticker:
Which digit is under the stickers?
(A)
with 38 gold, 27 silver and 23 bronze. How many more medals did the USA win compared to China?
(A) 6
(B) 14
(C) 16
(D) 24
(E) 26
Grade 3-4
Year 2013
6. There are three families in my neighbourhood with three children each; two of the families have
Boris: "All digits are distinct"
Vick: "The sum of the digBiblioteka Baiduts is 10"
Greg: "The units digit is 5"
Danny: "All digits are odd"
Which of the boys was wrong?
(A) 50
(B) 51
(C) 55
(D) 60
(E) 62
17. A square box is filled with two layers of identical square pieces of chocolate. Kirill has eaten all 20 pieces in the upper layer, which are along the walls of the box. How many pieces of chocolate are left in the box?
(A) 12
(B) 8
(C) 4
(D) 2
(E) 0
3. Which of the dresses has less than seven dots, but more than five dots?
(A)
(B)
(C)
(D)
(E)
Grade 1-2
Year 2013
4. A lot of babies were born in the zoo last year: two baby lions, three baby dolphins and four baby eagles.
. Jim has
. Bob has
. Who is Barb?
(A)
(B)
(C)
8. There is a path with square tiles.
(D)
(E)
How many tiles fit in the area inside?
(A) 5
(B) 6
(C) 7
(D) 8
(E) 9
Grade 1-2
(A) 16
(B) 30
(C) 50
(D) 52
(E) 70
18. In a park there are babies in four-wheel strollers and children on two-wheel bikes. Paula counted wheels and the total was 12. When she added the number of strollers to the number of bikes, the total was 4. How many two-wheel bikes are there in the park?