Tổng hợp đề thi toán AMC lớp 3, 4 năm 2015 - 2019

Middle Primary Division

Questions 1 to 10, 3 marks each

1. How many dots are on the plate?

(A) 10 (B) 12 (C) 13

(D) 14 (E) 15

2. Jill had 15 grapes. She ate 5. How many are left?

(A) 7 (B) 8 (C) 9 (D) 10 (E) 11

3. This grid gives the position of different shapes. For example, a ♢is in position B4. Which shape is in position D2?

(A) ♢ (B) ⊕ (C) ♡

(D) ⊙ (E) △

1

A

2

B

3

C

4

D

⊕ ♡ ♡ ⊙

△ □ □ ♢

⊙ ⊙ ⊕ ♡

△ ♡ ⊕ △

4. What fraction of this shape is shaded?

(A) 1

2 (B) 1

3 (C) 1

4

(D) 1

5 (E) 1

6

MP 2

5. On this spinner, which shape are you most likely to spin?

(A) ▲ (B) (C) ⋆

(D) ♠ (E) •

⋆ ▲ •

• ♠

6. What time is shown on this clock?

(A) twelve o’clock

(B) a quarter to nine

(C) a quarter past three

(D) a quarter past twelve

(E) three o’clock

1

2

3 4 5 6 7 8 9

10

11 12

7. The graph below shows the number of pets owned by the students in a Year 4 class.

0

2

4

6

8

Cats Dogs Fish Rabbits

Pets in Year 4

How many pets does this class have altogether?

(A) 24 (B) 22 (C) 21 (D) 14 (E) 4

MP 3

8. Which number do you need in the box to make this number sentence true? 19 + 45 = 20 +

(A) 34 (B) 44 (C) 46 (D) 64 (E) 84

9. How many 2 by 1 rectangles will fit exactly into an 8 by 7 rectangle?

(A) 14 (B) 28 (C) 36

(D) 56 (E) 63

10. Five swimmers were in a 50 m race. The time each swimmer took to finish the race is shown in this graph. Who won the race?

Time in seconds 0 10 20 30 40

Ivan Henry Franco

Ethan George

(A) George (B) Ethan (C) Franco (D) Henry (E) Ivan

MP 4

Questions 11 to 20, 4 marks each

11. Cianna is stringing beads for a necklace, starting with two round beads, then a square bead, and then repeating this pattern of three beads.

She finished her necklace with a round bead, which happens to be the 18th round bead. How many square beads are on her necklace?

(A) 10 (B) 12 (C) 18 (D) 6 (E) 8

12. The triangle shown is folded in half three times without unfolding, making another triangle each time.

Which figure shows what the triangle looks like when unfolded?

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

13. When complete, each row, column and diagonal in this diagram has a sum of 15. What is the sum of the numbers in the shaded squares?

(A) 20 (B) 25 (C) 27 (D) 30 (E) 45 5

5

4

MP 5

14. To which square should I add a counter so that no two rows have the same number of counters, and no two columns have the same number of counters?

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

A

B C

D

E

15. John wrote his name on his book. Martha said he wrote with a black pen. Aaron said it was a brown pencil. Frankie said it was a black crayon. If each of John’s friends were half right, what did he really use to write his name?

(A) a brown pen (B) a brown crayon (C) a brown pencil

(D) a black pen (E) a black pencil

16. Follow the instructions in this flow chart.

Start with 5

Subtract 2

Multiply by 3

Is this greater than 50?

Select this answer

Yes

No

(A) 57 (B) 63 (C) 75 (D) 81 (E) 84

MP 6

17. A square piece of paper is folded along the dashed lines shown and then the top is cut off.

The paper is then unfolded. Which shape shows the unfolded piece?

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

18. Rod had fewer than 100 blocks. When he made five equal rows, he had one block left over. With four equal rows, he had one block left over. With nine equal rows, there were no blocks left over. How many blocks did he have?

(A) 18 (B) 49 (C) 81 (D) 91 (E) 99

19. Simon has some 24 cm long strips. Each strip is made from a different number of equal-sized tiles. Simon took 1 tile from each strip to make a new strip. How long is the new strip?

(A) 18 cm (B) 20 cm (C) 23 cm

(D) 24 cm (E) 33 cm