de thi toan quoc te kangaroo nam 2016 lop 1 2 co dap an
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Gr a de 1 - 2
2016
Ca n a dia n M a t h Ka n ga r oo Con t e st
Pa r t A: Ea ch cor r ect a nsw e r is w or t h 3 point s
1.
Michael built a house wit h m at ches as in t he pict ure. How m any m at ches did
he use?
( A) 19
2.
( B) 15–3
( C) 17–4
( D) 7+ 7
( E) 8+ 3
( B) 3
( C) 4
( D) 5
( E) 6
( B) 5
( C) 6
( D) 7
( E) 8
Which point of t he m aze can we reach st art ing from t he
point O?
( A) A
6.
( E) 13
Ten friends cam e t o John’s birt hday par t y. Six of t hem were girls. How m any
boys were t here?
( A) 4
5.
( D) 15
How m any ropes are t here in t he pict ur e?
( A) 2
4.
( C) 17
Which of t he following answers gives t he largest num ber less t han 15?
( A) 8+ 7
3.
( B) 18
( B) B
( C) C
( D) D
( E) E
Which year is t he next year aft er t he current year, 2016, t hat is writ t en w it h
t he sam e digit s 0, 1, 2 and 6?
( A) 2106
( B) 1206
( C) 2601
( D) 2061
( E) 2160
Copyright © Canadian Mat h Kangaroo Cont est , 2016. All right s reserved.
This m at erial m ay be reproduced only wit h t he perm ission of t he Canadian Mat h Kangaroo Cont est Corporat ion.
Page 1
Gr a de 1 - 2
2016
Pa r t B: Ea ch cor r e ct a nsw e r is w or t h 4 point s
7.
Which st ruct ure is built using 10 cubes?
( A)
8.
( C)
( D)
( E)
Thirt een friends shared t wo pizzas. Each pizza was cut int o eight slices. I f
everyone at e a slice, how m any slices rem ained?
( A) 2
9.
( B)
( B) 3
( C) 4
( D) 5
( E) 6
Sophie is arranging black and whit e m arbles following t he pat t ern shown in
t he pict ure.
?
How will t he m arbles appear on t he t op level where t he quest ion m ark
locat ed?
( A)
( D)
( B)
( E)
? is
( C)
10. Lisa put six eggs of whit e or brown colour in t he shown
box. Two brown eggs cannot be next t o each ot her. At
m ost , how m any br own eggs could Lisa put in t he box?
( A) 1
( B) 2
( C) 3
( D) 4
( E) 5
Copyright © Canadian Mat h Kangaroo Cont est , 2016. All right s reserved.
This m at erial m ay be reproduced only wit h t he perm ission of t he Canadian Mat h Kangaroo Cont est Corporat ion.
Page 2
Gr a de 1 - 2
2016
11. Today John and Paul added t heir ages and got 12. What num ber will t hey
get in 4 years?
( A) 16
( B) 17
( C) 18
( D) 19
( E) 20
12. Mary is walking along t he road from t he house
t o t he pond
.
She is writ ing down on a piece of paper only t he let t ers t hat appear on her
right - hand side. What will she writ e down?
( A) KNAO
( B) KNGO
( C) KNR
( D) AGRO
( E) KAO
Pa r t B: Ea ch cor r e ct a nsw e r is w or t h 5 point s
13. Am y want s t o build a larger square from sm all square t iles. She already
glued six t iles as shown.
At least how m any m ore t iles does she need?
( A) 6
( B) 8
( C) 9
( D) 10
( E) 12
Copyright © Canadian Mat h Kangaroo Cont est , 2016. All right s reserved.
This m at erial m ay be reproduced only wit h t he perm ission of t he Canadian Mat h Kangaroo Cont est Corporat ion.
Page 3
Gr a de 1 - 2
2016
14. I n Baby Roo's house, each room is connect ed t o any neighbouring room by a
door, see t he pict ur e.
A
B
Baby Roo want s t o get from t he room A t o t he room B. What is t he least
num ber of doors he will need t o go t hrough?
( A) 3
( B) 4
( C) 5
( D) 6
( E) 7
15. Which pict ure ca nnot be m ade by using only shapes like
( A)
( B)
( C)
( D)
?
( E)
16. Which t ile fit s in t he m iddle such t hat lines of t he sam e colour are j oined
t oget her? ( Turning t he m iddle t ile is allowed.)
( A)
( B)
( C)
( D)
( E)
Copyright © Canadian Mat h Kangaroo Cont est , 2016. All right s reserved.
This m at erial m ay be reproduced only wit h t he perm ission of t he Canadian Mat h Kangaroo Cont est Corporat ion.
Page 4
Gr a de 1 - 2
2016
17. Paul saw five birds sit t ing on a wire. Som e of t hem were looking t o t heir left ,
ot hers – t o t heir right , as shown in t he pict ure.
1
2
3
4
5
Each bird chirped once t o each bird it saw. For exam ple, t he m iddle bird
chirped t w ice because it saw birds 4 and 5. I n t ot al, how m any chirps did
Paul hear?
( A) 6
( B) 8
( C) 9
( D) 10
( E) 12
18. Five dragons nam ed Dodo, Pepe, Rit chi, Buro and Fifi lived each in his own
cave.
Dodo and Pepe had only one neighbour. Rit chi lived in t he cave wit h a
t riangle. Buro did not have a t ree in front of his cave. Pepe lived next t o
Buro. Which cave did Fifi live in?
( A)
( B)
( C)
( D)
( E)
Copyright © Canadian Mat h Kangaroo Cont est , 2016. All right s reserved.
This m at erial m ay be reproduced only wit h t he perm ission of t he Canadian Mat h Kangaroo Cont est Corporat ion.
Page 5
Gr a de 1 - 2
2016
I nt er nat ional Cont est - Gam e
Mat h Kangaroo Canada, 2016
Answer Key
Gr a de 1 - 2
1
A B C D E
7
A B C D E
13
A B C D E
2
A B C D E
8
A B C D E
14
A B C D E
3
A B C D E
9
A B C D E
15
A B C D E
4
A B C D E
10
A B C D E
16
A B C D E
5
A B C D E
11
A B C D E
17
A B C D E
6
A B C D E
12
A B C D E
18
A B C D E
Copyright © Canadian Mat h Kangaroo Cont est , 2016. All right s reserved.
This m at erial m ay be reproduced only wit h t he perm ission of t he Canadian Mat h Kangaroo Cont est Corporat ion.
Page 6
