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Australian AMC 2008 - Middle Primary

Question 1

Which number is one hundred more than the number 765?
  1. 865
  2. 985
  3. 876
  4. 775
  5. 766

Question 2

What time is shown on the clock below?

Question illustration
  1. 8:00
  2. 9:30
  3. 6:30
  4. 8:30
  5. 8:40

Question 3

What fraction of the diagram below has been shaded ?

Question illustration
  1. $\frac13$
  2. $\frac43$
  3. $\frac34$
  4. $\frac14$
  5. $\frac31$

Question 4

Wendy has 20 marbles. She has five times as many marbles as Jim. How many marbles does Jim have?
  1. 4
  2. 100
  3. 5
  4. 25
  5. 15

Question 5

A string of coloured beads begins with a red, then a green, then a blue, then a yellow. This pattern is repeated many times. What colour is the 26th bead?
  1. red
  2. green
  3. blue
  4. yellow
  5. white

Question 6

On Sue’s 5th birthday, her brother Joe was 8 years old. How old will Joe be on Sue’s 10th birthday?
  1. 16
  2. 15
  3. 13
  4. 12
  5. 11

Question 7

In the diagram, the arrow ‘$\longrightarrow$’ means ‘is half of’. For example, ‘$\boxed{\phantom{xx}}\longrightarrow\triangle$’ means ‘$\boxed{\phantom{xx}}$ is half of $\triangle$’. If $\diamond$ is 8, what is $\square$?

Question illustration

Question illustration
  1. 2
  2. 32
  3. 4
  4. 16
  5. 64

Question 8

A park needs seven new picnic tables, each with a top and two seats. The tops are each made from four boards and each seat is made from two boards. How many boards does the park manager need to order?

Question illustration
  1. 66
  2. 35
  3. 60
  4. 70
  5. 56

Question 9

A cyclist rides 25 kilometres every day for a week. If he starts on a Monday, by what day would he have ridden 60 kilometres?
  1. Tuesday
  2. Wednesday
  3. Thursday
  4. Friday
  5. Saturday

Question 10

In the number sentence $10\text{ hundreds}+100\text{ tens}=\boxed{\phantom{xx}}\text{ tens}$, what number goes in the box to make it true?

Question illustration
  1. 100
  2. 20
  3. 110
  4. 200
  5. 1000

Question 11

Jenny has three boxes, each having the same number of toy cars inside. She finds two more cars down the back of the sofa. When she counts all her cars she finds that she has 17. How many cars are there in each box?
  1. 3
  2. 5
  3. 6
  4. 8
  5. 15

Question 12

Three drips make two drops. How many drips make 18 drops?
  1. 6
  2. 12
  3. 27
  4. 36
  5. 48

Question 13

A box holds socks which are all the same size. There are 6 white, 10 blue and 16 grey socks. What is the least number of socks I need to take out, without looking, so that I can be certain of getting a pair of matching socks?
  1. 3
  2. 4
  3. 5
  4. 6
  5. 10

Question 14

In the number sentence, $40\times40=20\times20\times\square$, what number do we put in the $\square$ to make the number sentence true?

Question illustration
  1. 2
  2. 4
  3. 8
  4. 16
  5. 40

Question 15

There is a stack of 45 blocks with one block on top, 2 blocks in the next row, 3 in the next row and so on. How many blocks are in the bottom row and how many rows are there?

Question illustration
  1. 9 blocks and 10 rows
  2. 10 blocks and 10 rows
  3. 8 blocks and 8 rows
  4. 6 blocks and 9 rows
  5. 9 blocks and 9 rows

Question 16

Annie leaves home at 9:15 am to walk to Derek’s house, which takes her 25 minutes. Carl leaves his house 5 minutes after Annie but only takes 6 minutes to get to Derek’s house. When Carl arrives, how long, in minutes, will he and Derek have to wait for Annie to arrive?

Question illustration
  1. 6
  2. 11
  3. 14
  4. 21
  5. 24

Question 17

At half-time in a soccer match between Newcastle and Melbourne, the score was Newcastle 1, Melbourne 0. Three goals were scored in the second half. Which of the following could not be the result of the match?

Question illustration
  1. The match was drawn
  2. Newcastle won by 2 goals
  3. Melbourne won by 2 goals
  4. Newcastle won by 1 goal
  5. Newcastle won by 4 goals

Question 18

A 1 metre square of cardboard is cut up into 1 cm by 1 cm squares. If these squares were laid side by side, what distance would they cover?
  1. 1000 cm
  2. 200 m
  3. 20 m
  4. 100 m
  5. 100 cm

Question 19

I have three rectangular tiles, which are 2 cm by 1 cm, 3 cm by 1 cm and 4 cm by 1 cm. If I put them together so that they do not overlap, but touch along edges, what is the smallest possible perimeter of their combined shape?

Question illustration
  1. 14 cm
  2. 16 cm
  3. 18 cm
  4. 20 cm
  5. 24 cm

Question 20

Lying Larry decided that from now on he is going to tell the truth on Mondays, Wednesdays and Fridays, but will lie on all the other days. Once, he said ‘Tomorrow I am going to tell the truth.’ On what day did this happen?
  1. Saturday
  2. Friday
  3. Sunday
  4. Wednesday
  5. Monday