# AMO Grade 4 – Tuyển chọn câu hỏi AMO – Lớp 4

Table Of Contents

AMO Grade 4

## Week 1

### Choose correct answer(s) from the given choices

(1) The following figure shows different fruits in a basket. What fraction of the fruits are apples?

(2) Which expression represents the perimeter (P) of the rectangle.

a) P = 2 × (40 × 24)

b) P = 2 × (40 – 24)

c) P = 2 + (40 + 24)

d) P = 2 × (40 + 24)

(3) In a class of students, girls and boys like football, girls and boys like baseball, girls and boys like volleyball and the remaining students like hockey. If an equal number of girls and boys like hockey, then what fraction of girls like hockey?

### Fill in the blanks

(4) The sum of the largest 2 digit number and the smallest 5 digit number is ……….

(5) In any number, if we move a digit one place to the right, the place value of that digit changes by a factor of

(7) Chloe has 610 toys more than the number of toys Muhammad has. Muhammad has 106 fewer toys than Jayden. If Jayden has 939 toys, Chloe has ……….. toys.

### Answer the questions

(8) Hayley has 180 books. Janelle has half as many books as Hayley. Ryan has 5 more books than Janelle. What expression will show the number of books Ryan has?

(9) Nicole multiplies the third multiple of 3 by the sixth multiple of 4. What will be the result?

(10) If the weight of the two pineapples is the same, what is the weight of one pineapple (write in mixed fraction) ?

## Week 2

### Choose correct answer(s) from the given choices

(1) Which of the following is the longest line segment?

a. CF b. AG c. BG d. BF

(2) Muhammad roughly estimates product 57 × 702 as follows,

– He rounded off each number to the nearest ten.

– Then he multiplied the numbers.

What is his estimate?

a. 42000 b. 42060 c. 41940 d. 42700

(3) Which of following statements is correct?

a. One line segment can divide a triangle into two smaller triangles.

b. One line segment can divide a pentagon into two smaller pentagons.

c. One line segment can divide a square into two smaller squares.

d. One line segment can divide a circle into two smaller circles.

### Fill in the blanks

(4) The missing number is ………….

(5) In all, there are …………. digits in whole number 90000000 in the number system.

(6) The picture given below shows milestone in a village on “Seletar – Hill City” highway.

From this we see that the distance between Seletar and Hill City is …………. km.

### Check True/False

(7) We will get a straight line on connecting the 3 dots on the grid.

a) True b) False

### Answer the questions

(8) What is the 21st term of the series 1 2 2 3 3 3 4 4 4 4 ….

(9) How many months in a year have exactly 30 days?

(10) In the movie “Cheaper by the Dozen,” there are 12 children in the family. If there are 6 children’s bedrooms in the house, what is the least number of children that must sleep in the bedroom having the maximum number of children?

## Week 3

(1) The picture given below shows a milestone in a village on “Hong Kong – Hill City” highway. What is the distance between Hong Kong and Hill City?

a. 1145km b. 793km

c. 176km d. 969km

(2) A car travels 108 km in a full tank of capacity 18 litres. What is the mileage (number of kilometers it can travel per litre of petrol) of the car ?

a. 1944 kmpl b. 6 kmpl

c. 3 kmpl d. 9 kmpl

(3) Complete the pattern:

(4) Which is the next figure in the sequence shown below?

(5) What fraction of the image is unshaded?

a. \frac{6}{{18}}

b. \frac{6}{{16}}

c. \frac{7}{{16}}

d. None of these

### Fill in the blanks

(6) The successor of the largest 5 digit number is ……… .

(7) The sum of the smallest 2 digit number and the largest 5 digit number is …………

(8) There are 57 baskets of bananas. No basket contains more than 49 bananas. The least number of baskets that contain the same number of bananas is .

### Answer the questions

(9) Nur and Eva are ranked 7th and 8th respectively from the top in a class of 48 students.

What are their respective ranks from the bottom?

(10) A car travels 36 km in a full tank of capacity 9 litres. What is the mileage (number of kilometers it can travel per litre of petrol) of the car?

## Week 4

### Choose correct answer(s) from the given choices

(1) Each part on the number line drawn below is of 1 cm.

The sum of BD + DF + FG is equal to the length of which of the following:

a. BF b. BE

c. BG d. BH

(2) What fraction of squares in the grid given below contain alphabets?

a. \frac{11}{{16}}

b. \frac{12}{{15}}

c. \frac{12}{{16}}

d. \frac{10}{{16}}

(3) What is the 22nd term of the series 1 2 2 3 3 3 4 4 4 4 5 5 5 5 5 ….

a. 6 b. 9

c. 7 d. 8

(4) The lowest natural number which when divided by 14, 60 and 2 leaves the remainder of 1 in each case is

a. 428 b. 421

c. 420 d. none of these

### Fill in the blanks

(5) In all, there are ………… digits in whole number 90000 in the number system.

(6) In a class of 45 students, 4 girls and 5 boys like basketball, 3 girls and 7 boys like football, 6 girls and 4 boys like baseball and the remaining students like hockey. If an equal number of girls and boys like hockey, then the fraction of girls who like hockey is

(7)

There will be …………. blocks in the next figure.

### Answer the questions

(8) The airport is 3 km East of the hospital, and the zoo is 3 km South of the hospital. The zoo is in which direction of the airport?

(9) Identify the number of triangles in the given tangram.

(10) Find the least natural number which when divided by 12, 42 and 2 leaves the remainder of 1 in each case.

## Week 5

### Choose correct answer(s) from the given choices

(1) Which of the following statements is not true?

a. All rectangles are regular polygons

b. All squares are rectangles

c. All rectangles are quadrilaterals

d. All squares are quadrilaterals

a. 22 b. 44

c. 24 d. 4

(3) Round off each number to nearest hundred and find the product.

430 × 198 × 181

a. 17000000 b. 16000000

c. 18000000 d. 15000000

(4) Ashley made the input output table given below:

What rule can be used to find each output number?

a. Divide by 5 b. Multiply by 6

c. Multiply by 5 d. Divide by 6

(5) What is the 22nd term of the series 1 2 2 3 3 3 4 4 4 4 5 5 5 5 5 ….

a. 7 b. 8

c. 9 d. 6

### Fill in the blanks

(6) The empty boxes below should have numbers ……… and ……… .

(7) There are ………. months in a year which have exactly 31 days.

(8) The following figure shows different fruits in a basket. Fraction of the apples is

(9) 1 2 2 3 3 3 4 4 4 4 …..

The 11th term of the series is …………..

### Answer the questions

(10) If the weight of the two pumpkins is the same, what is the weight of one pumpkin (write in mixed fraction) ?

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