加拿大国家中小学数学竞赛( kangaroo math 袋鼠竞赛)2018年一二年级(含

2023年12月22日发(作者：张家界旅游攻略自由行三天)

For training purposes only!INTERNATIONAL CONTEST-GAME

MATH KANGAROO

CANADA, 2018

INSTRUCTIONS

GRADE 1-2

have 45 minutes to solve 18 multiple choice problems. For eachproblem, circle only one of the proposed five choices. If you circle morethan one choice, your response will be marked as your answers in the response form. Remember that this is the onlysheet that is marked, so make sure you have all your answers transferredto the response form before giving it back to the contest problems are arranged in three groups. A correct answer of the first 6problems is worth 3 points. A correct answer of the problems 7-12 is worth4 points. A correct answer of the problems 13-18 is worth 5 points. Foreach incorrect answer, one point is deducted from your score. Eachunanswered question is worth 0 points. To avoid negative scores, you startfrom 18 points. The maximum score possible is use of external material or aid of any kind is not figures are not drawn to scale. They should be used only for er, you have about 2 to 3 minutes for each problem; hence, if aproblem appears to be too difficult, save it for later and move on to the end of the allotted time, please give the response form to thecontest not forget to pick up your Certificate of Participation on your way out!Good luck!

Canadian Math Kangaroo Contest team

Do not duplicate or distribute without written permission from CMKC!

For training purposes only!Grade 1-2

2018

Canadian Math Kangaroo Contest

Part A: Each correct answer is worth 3 points

shape cannot be formed using and ?

(A) (B) (C) (D) (E) least how many 4-ray stars like thisare glued together to

make this shape

(A) 5

3.(B) 6

This pizza was divided into equal many slices are missing?

(A) 1 (B) 2 (C) 3 (D) 4 (E) 5

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4.2018

How many kangaroos must be moved from one park to the other in order toget the same number of kangaroos in each park?(A) 4 (B) 5 (C) 6 (D) 8 (E) 9

of these ladybugs has to fly away so that the rest of them have 20dots in total?(A) (B) (C) (D) (E) builds towers in the following patternWhich one will be the tower number 6?

(A) (B) (C) (D) (E)

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For training purposes only!Grade 1-2

2018

Part B: Each correct answer is worth 4 points

7. If ◊ + ◊ = 4 and ∆ + ∆ + ∆ = 9, what is the value of ◊ + ∆ = ?

(A) 2

(B) 3 (C) 4 (D) 5 (E) 6

8. Lisa has 4 pieces , but she only needs 3 for

completing her puzzle frame . Which piece will be left over?

(A) (B) (C) (D)

How many right hands are in this picture?

(E)

(A) 3

(B) 4 (C) 5 (D) 6 (E) 7

10. The dog went to its food following a path. In total it made 3 right turns and

2 left turns. Which path did the dog follow?

(A) (B) (C)

(D)

(E)

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For training purposes only!Grade 1-2

2018

11. What number is in the box marked "?" ?

(A) 6

(B) 13 (C) 24 (D) 29 (E) Some other number

12. Charles cut a rope in three equal pieces and then made some equal knots

with them. Which figure correctly shows the three pieces with the knots?

(A) (B)

(E)

Part C: Each correct answer is worth 5 points

13. How many circles and how many squares are covered by the blot in the

picture?

(A) 1 circle and 3 squares

(B) 2 circles and 1 square

(D) 1 circles and 2 squares

(E) 2 circles and 2 squares

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shoots three arrows at a her first try, she gets 6 points

and the arrows land like this:

2018

6 points

On her second try, she gets 8 points

and the arrows land like this:

8 points

On her third try, the arrows land

like this:

How many points will she get the third time?

(A) 8 (B) 10 (C) 12 (D) 14

? points

(E) 16

many different numbers greater than 10 and smaller than 25 withdistinct digits can we make by using any two of the digits 2, 0, 1, and 8?(A) 4 (B) 5 (C) 6 (D) 7 (E) had some sticks of length 5 cm and width 1 cmWith the sticks he constructed the fence below..

length

What is the length of the fence?

(A) 20 cm (B) 21 cm (C) 22 cm (D) 23 cm (E) 25 cm

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road from Anna's house to Mary's house is 16 km road from Mary's house to John's house is 20 km road from the crossroad to Mary's house is 9 km long.2018

How long is the road from Anna’s house to John's house?

(A) 7 km (B) 9 km (C) 11 km (D) 16 km (E) 18 km

are four ladybugs on a 4×4 board. Two are asleep and do not other two ladybugs move one square every minute (up, down, left, orright). Here are pictures of the board for the first four minutes: Minute 1 Minute 2 Minute 3 Minute 4

Which of these is a picture of the fifth minute (Minute 5)?

(A) (B) (C) (D) (E)

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For training purposes only!International Contest-Game

Math Kangaroo Canada, 2018

Answer Key

Grade 1-2

A B C D E