Beads are strung on a string in a pattern of two white beads followed by three black beads, and so on, as shown below.. What is the average of all the integers from 61 to 73, both numbe[r]
Trang 1CUỘC THI CÂU LẠC BỘ TOÁN TUỔI THƠ TOÀN QUỐC 2017
CHILDREN’S FUN MATHS JOURNAL NATIONAL COMPETITION 2017
ĐỀ THI CÁ NHÂN TIỂU HỌC PRIMARY SCHOOL INDIVIDUAL PAPER
Thời gian: 30 phút (Duration: 30 minutes)
Từ câu 1 đến câu 15 chỉ viết đáp số Câu 16 viết lời giải đầy đủ ở mặt sau Tờ trả lời
Problem 1 The missing numbers in the boxes are of the same value
What is the missing number?
Problem 2 Bain, Mary and Soha collected some toy cars Bain had five times as many toy cars
as Soha Mary had twice as many toy cars as Soha If Bain collected 99 more toy cars than Mary, how many toy cars did the 3 children collect in total?
Problem 3 An ant is crawling from Point A to Point B
down a staircase as in the figure
How many meters will it need to crawl to reach Point B?
Problem 4 Beads are strung on a string in a pattern of two white beads followed by three
black beads, and so on, as shown below
What is the colour of the 37th bead?
Problem 6 What is the average of all the integers from 61 to 73, both numbers inclusive? Problem 7 On 1st
of March some years ago, one US dollar could be exchanged for 1.45 Singapore dollar On the same day, 1000 Thai Baht could buy 50 Singapore dollar How many US dollars could 29 000 Thai Baht buy on that day?
Problem 8 Bain’s monthly salary is $7200 Every month, he spends 3
5 of his salary and saves the rest How much money will he save in half a year?
Problem 9 Compare the following fractions: 3232
4242 and 32.
42
Problem 10 Arrange the following fractions from the smallest to the greatest: 1; 9 ;1.
7 56 8
Problem 11 What is the length of rectangle in the following figure?
Problem 5 The figure is made up of 8 identical
squares If the figure has a perimeter of 360 cm, what
is the length of each side of the squares?
Trang 2The diagrams are not drawn to scale
Problem 12 The side of each small square in the figure is 5 cm
Calculate the area of the quadrilateral ABCD
Problem 13 Mary has a rectangular piece of paper measuring 30 cm by 20 cm She folded
the paper into halves two times (as shown in figure 1 below)
Mary then made two cuts each measuring 6 cm as shown in the figure below
Find the remaining area of the paper in figure 2
Problem 16 (Written paper/Tự luận)
Given a triangle ABC as in the figure The length of AD =
length of DE = length of EB The area of the triangle AFD is
50 cm2 If FB = FC, find the area of the triangle ABC
Problem 14 A concrete path of width 5 m cuts
across a rectangular park as in the figure The
remaining area is to be planted with grass Find the
area covered by grass
Problem 15 Mary is standing at the center of the
figure and is facing the library at the moment If
she turns a right angle anti-clockwise, she would
be facing the …