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De thi toan o Uc 4

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eaa is an education group of UNsW Global Pty Limited, a not-for-profit provider of education, training and consulting services and a wholly owned enterprise of the University[r]

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D PAPER

DO NOT OPEN THIS BOOKLET UNTIL INSTRUCTED.

STUDENT’S NAME:

Read the instructions on the ANSWER SHEET and fill in your NAME, SCHOOL and OTHER INFORMATION.

Use a 2B or B pencil Do NOT use a pen.

Rub out any mistakes completely

You MUST record your answers on the ANSWER SHEET.

MatheMatics Mark only ONE answer for each question.Your score will be the number of correct answers Marks are NOT deducted for incorrect answers. MULTIPLE-CHOICE QUESTIONS:

Use the information provided to choose the BEST answer from the four possible options

On your ANSWER SHEET fill in the oval that matches your answer. FREE-RESPONSE QUESTIONS:

Write your answer in the boxes provided on the ANSWER SHEET and fill in the oval that matches your answer

Practice

Questions

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1 Maree shaded some squares on a grid.

How many more squares would Maree need to shade so that half of this grid was shaded?

(A) 15 (B) 30 (C) 35 (D) 50

2 Sarah has $5 to spend on lunch.

Orange Orange

orange juice $1.50

bun $2.00

salad sandwich $2.50

apple 65c

If she buys one salad sandwich, which other two things could she buy?

(A) one orange juice and one apple (B) one orange juice and one bun (C) two orange juices

(D) one apple and one bun

3 Laura has a lunch break from 11:50 am to 1:20 pm.

How long is Laura’s lunch break? (A) half an hour

(B) one hour and twenty minutes (C) one and a half hours

(D) two and a half hours

4 What is the missing number in this number pattern?

2 7 9 16 ? 41 66

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5 Alice wants to build a fence around her rectangular guinea pig pen.

width

length

NOT TO SCALE

She has 360cm of fencing.

What width will give the largest area? (A) 120 cm

(B) 90 cm (C) 80 cm (D) 30 cm

6 Here are three number patterns. 3,6,9,12,

5,9,13,17, 3,10,17,24,

If these three patterns are continued, what is the first number that they would all have in common?

(A) 21 (B) 33 (C) 45 (D) 81

7 Joel sold chocolate bars to raise money for his school Each chocolate bar was sold for $2.00 The school received 40 cents for each chocolate bar sold. If Joel raised $56.00 for his school, how many chocolate bars in total did he sell? (A) 28

8 Elle divided a bag of jellybeans among her friends She gave one-third to Fiona, one-quarter to Rick and kept 35 jellybeans for herself.

How many jellybeans did Elle start with? (A) 49

(B) 60 (C) 72 (D) 84

9 Maria glued some cubic blocks together to make three separate solids Maria’s three solids fit together to make a larger cube.

Which of these is not one of Maria’s

solids?

(A) (B)

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10 Here is the start of a pattern.

6

3

9

3

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D PAPER

The following year levels should sit THIS Paper:

Australia Year

Brunei Primary

Hong Kong Primary

Indonesia Year

Malaysia standard

New Zealand Year

Pacific Year

Singapore Primary

South Africa Grade

THE UNIVERSITY OF NEW SOUTH WALES

Educational Assessment Australia eaa.unsw.edu.au

© 2010 educational assessment australia eaa is an education group of UNsW Global Pty Limited, a not-for-profit provider of education, training and consulting services and a wholly owned enterprise of the University of New south Wales aBN 62 086 418 582

Acknowledgment

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A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – / A B C D E F G H I J K L M N O P Q R S T V W X Y Z ’ – /

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HOW TO FILL OUT THIS SHEET:

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A B C D A B C D A B C D A B C D A B C D A B C D A B C D A B C D A B C D A B C D A B C D A B C D A B C D A B C D

M THE UNIVERSITY OF NEW SOUTH WALES

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D C B A

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START

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10

International Competitions

and Assessments

M

PaPer

D

TO ANSWER THE QUESTIONS

MULTIPLE CHOICE FREE RESPONSE Example: 4 + 6 = Example: 6 + 6 =

(A) ● The answer is 12, so WRITE your

(B) answer in the boxes

(C) 10 ● Write only ONE digit in each box, (D) 24 as shown, and fill in the correct oval,

as shown

The answer is 10, so fill in the oval , as shown.C D

C B A

0

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QUESTION KEY SOLUTION STRAND LEVEL OF DIFFICULTY

1 C

There are 10 × 10 = 100 squares Half of 100 is 50 Maree has already shaded 15 so she needs to shade 35 squares more (50 – 15 = 35)

Number and

Arithmetic Easy

2 A

$5 (lunch money) - $2.50 (sandwich) = $2.50 remaining

$1.50 (juice) + $0.65 (apple) = $2.15, so there is $0.35 change

All other options require more than the initial $5 lunch money

Number and

Arithmetic Easy

3 C

From 11:50 am to 1:50 pm is one and a half hours From 11:50 am to 12:50 pm there is one hour, then from 12:50 pm to pm there are 10 minutes and from pm to 1:20 pm there are 20 minutes Altogether it is hour and

30 minutes (1 hour + 10 minutes + 20 minutes)

Measurement Easy

4 B

The triangles contain a number which is the sum of the numbers in the two preceding triangles

2 + = and + = 16 The missing number is + 16 = 25

Algebra and

Patterns Medium

5 B If the width of the pen was 90 cm then the length would be 90 cm also 90 × 90 = 100 cm2

Measurement Medium

6 C

The first pattern is made by adding to the previous number, with as the initial number The second pattern is made by adding to the previous number, with as the initial number The third pattern is made by adding to the previous number, with as the initial number Continue all three patterns until you find a common number The number 45 is the first common number in the three patterns

Algebra and

Patterns Medium

7 C

Divide the total amount of money raised for the school by the amount received by the school for each chocolate bar sold

$56 = 600 cents (56 × 100) 5600 cents ÷ 40 cents = 140 Joel sold 140 chocolate bars

Number and

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8 D

Elle gave away one-third and one-quarter of her jellybeans The fraction she kept is equal to:

1 − (1/3 +1/4) = 5/12

If 35 equals 5/12 of the total, then 1/12 of the total is The total is 12 × 7=84

Algebra and

Pattern Hard

9 A

Solid (A) has blocks Solids (B) and (C) have 11 blocks each Solid (D) has blocks

The blocks add up 11 + 11 + = 27 blocks This is the number in a × × cube Also the largest number of blocks in a row is to give another clue to the size of the cube So Solid (A) with blocks cannot be part of the bigger cube

Space and

Geometry Hard

10 25

To solve this, find the pattern then test it on the examples given

Number of dots on each side = total number of dots ÷ +

= 72 ÷ + = 25

Algebra and

Pattern Hard

Level of difficulty refers to the expected level of difficulty for the question.

Easy more than 70% of candidates will choose the correct option

Medium about 50–70% of candidates will choose the correct option

Medium/Hard about 30–50% of candidates will choose the correct option

Ngày đăng: 20/04/2021, 13:05