Skip to content / Đến nội dung
ThichHocToan.com

TIMO 2021 Grade 3 Preliminary Set 4

Question 1

According to the pattern shown below, what is the number in the blank? 1, 1, 3, 5, 9, 15, __

Question illustration
  1. 24
  2. 25
  3. 29
  4. 32

Question 2

Yesterday was Thursday. Which day of the week will 87 days later be?

Question illustration
  1. Sunday
  2. Monday
  3. Tuesday
  4. Wednesday

Question 3

The age of Alice 11 years later is equal to the age of Peter 5 years later. How old is Peter when Alice is 18 years old?

Question illustration
  1. 10
  2. 12
  3. 24
  4. 35

Question 4

37 students line up where Alice is the 18th starting from the front. How many students are behind her?

Question illustration
  1. 19
  2. 18
  3. 17
  4. 20

Question 5

According to the pattern shown below, how many ◎ are there in the 6th Group?

Question illustration
  1. 60
  2. 64
  3. 69
  4. 72

Question 6

Find the value of $179+219+121+181+281+119$.

Question illustration
  1. 1100
  2. 1115
  3. 1200
  4. 1315

Question 7

Find the value of 17×$118+31$×$17+17$×51.

Question illustration
  1. 3350
  2. 3383
  3. 3400
  4. 3545

Question 8

Find the value of 500÷$2+500$÷$4+500$÷$5+500$÷$10+500$÷50.

Question illustration
  1. 7
  2. 15
  3. 515
  4. 535

Question 9

Find the value of $5+15+25+35+45+55$.

Question illustration
  1. 180
  2. 185
  3. 190
  4. 195

Question 10

Find the value of 1017÷$8-129$÷8.

Question illustration
  1. 109
  2. 110
  3. 112
  4. 111

Question 11

Define the operation symbol a⊗b=(a+2)×(b−3), find the value of 2⊗5.

Question illustration
  1. 7
  2. 10
  3. 8
  4. 15

Question 12

Alice and Peter have 164 candies in total. Alice has 24 candies more than Peter. How many candies does Alice have?

Question illustration
  1. 94
  2. 70
  3. 58
  4. 140

Question 13

The numbers below follow the arithmetic sequence, what is the sum of the 7th term and the 9th term? 8, 14, 20, 26, 32, …

Question illustration
  1. 94
  2. 100
  3. 106
  4. 112

Question 14

What is the sum of the largest and the smallest 3-digit multiple of 13?

Question illustration
  1. 1092
  2. 1105
  3. 1168
  4. 1181

Question 15

The sum of 3 consecutive odd numbers is 27. Find the product of all numbers.

Question illustration
  1. 315
  2. 504
  3. 693
  4. 720

Question 16

How many squares are there in the figure below?

Question illustration
  1. 15
  2. 23
  3. 24
  4. 26

Question 17

A prism has 36 edges, how many faces does this prism have?

Question illustration
  1. 12
  2. 14
  3. 34
  4. 36

Question 18

A square whose sides are 10cm long is cut into 25 small squares of side length 2cm. What is the difference in perimeters between 25 small squares and the larger square in centimeter?

Question illustration
  1. 32
  2. 50
  3. 96
  4. 160

Question 19

At least how many squares can be seen observing the figure from the right?

Question illustration
  1. 7
  2. 15
  3. 8
  4. 12

Question 20

By observing the pattern, what is the missing figure? ■, ▲, ★, ■, ▲, ▲, ★, ■, ▲, ▲, ?, ★, ■, ▲, ▲, ▲, …

Question illustration
  1. ■
  2. ▲
  3. ★
  4. ●