Basil wants to cut the shape depicted in Figure 1 into identical triangles as in Figure 2.How many triangles will he get?. He divides them into 4 piles so that each piles has a differe
Trang 1ĐỀ THI THỬ AMO SỐ 4- LỚP 3-2020
Question 1 Basil wants to cut the shape depicted in Figure 1 into identical
triangles as in Figure 2.How many triangles will he get?
Question 2 Charles has 16 marbles He divides them into 4 piles so that each
piles has a different number of marbles Find the smallest possible number of marbles in the biggest pile
Question 3 It is given that
b a
a bab.
For example,
5 3 2 3
2
3
2
Find the value of
Trang 2Question 4 In the following alphametic, all the different letters stand for
different digits
Question 5 Judy has two more sisters that she has brothers Her brother, Mark,
has twice as many sisters as he has brothers How many children are in their family?
Question 6 What is the next number in the sequence below?
7,8,6,9,5,10,…
Question 7 Marko has 9 sweets and tomo has 17 sweets How many sweets
does Tomo need to give to Marko so that each boy has the same number of sweets?
Question 8 How many triangles are there in the figure below?
Question 9 There were 11 flags on a straight track of a race The first one was
at the start, the last one at the finish The distance between each flag was 8 m How long was the track?
Question 10 A ship was attacked by pirates One by one they were climbing a
rope to get to the ship The pirate captain was in the middle and he was also the eighth one from the beginning How many pirates were on the rope?
Trang 3Question 11 Six towers are built with grey cubes and white cubes Each tower
is made with five cubes Cubes of the same colors do not touch How many white cubes are there?
Question 12 After buying 7 color pencils for $15 each, Isaac is left with $9
How much amount did he have at first?
Question 13 How many small cubes are required to create this solid shape?
Question 14 What is the largest 2-digit number that can be divided by both 3
and 5?
Question 15 For the number sentence below, what is the answer?
1+3+5+7+9+12+14+16+18+21+23+25+27+29