1/ This shape is made of several small cubes. Find the surface area of the shape, if each side of small cube is 2cm long.
a. 96cm2b. 104cm2c. 208cm2d. 144cm22/ What is the difference between the sum of the first 2016 even natural numbersand the first 2016 odd natural numbers?
a. 4031b. 2016c. 4030d. 2015
Jack buys sofas from a wholesale market for $3750, and then he sells all of them at a loss of 4%. How much money did he sell each sofa for?
a. $3900b. $156c. $3600d. $144ai nhanh mình tick
Question 1: What is 1/6 of 744? Answer: 124
Question 2: Express seventy thousand, four hundred and nine in numerals. Answer: 70409
Question 3: Study the pattern. 88:8=11 880:8=110 8800:8= ? The missing number is 1100
Question 4: Subtract 346 from 752. Answer: 406
Question 5: The ratio of boys to girls at a school is 5:4. If there are 255 boys at the school then how many students are there at the school? Answer: 459 students.
Question 6: The product of 2 different natural numbers is 9. Their sum is 10
Question 7: Jack, Mary and Jacob buy ice creams. Jack buys twice as many as Mary. Jacob buys three times as many as Jack. If Jacob buys 12 ice creams then Mary buys 2 ice creams.
Question 8: My giant flower doubles its size every day. On Friday, it is 5 ( hay 10 gì đó ) times as big as its was on the preceding Sunday.
Question 9: If we write all of the whole numbers from 10 through 99 and cross out any number in which the first or second digit is divisible by 2 (for example, 41 is crossed out as 4 is divisible by 2 and 36 is crossed out as 6 is divisible by 2), how many numbers are crossed out? Answer: 65 numbers.
Question 10: It takes Bella three hours to clean a house. It takes Anna two hours to clean the house. How long would it take for them to clean it together? Answer: 72 minutes.
Question 1:
Subtract 346 from 752.
Answer:
Question 2:
Study the pattern.
88:8=11
880:8=110
8800:8= ?
The missing number is
Question 3:
Divide 2016×2016 by 2016. The quotient is
Question 4:
What is of 744?
Answer:
Question 5:
Jack, Mary and Jacob buy ice creams. Jack buys twice as many as Mary. Jacob buys three times as many as Jack. If Jacob buys 12 ice creams then Mary buys ice creams.
Question 6:
100 hundreds + 1000 tens = ones
Question 7:
My giant flower doubles its size every day. On Friday, it is times as big as its was on the preceding Sunday.
Question 8:
The product of 2 different natural numbers is 9. Their sum is
Question 9:
If we write all of the whole numbers from 10 through 99 and cross out any number in which the first or second digit is divisible by 2 (for example, 41 is crossed out as 4 is divisible by 2 and 36 is crossed out as 6 is divisible by 2), how many numbers are crossed out?
Answer: numbers.
Question 10:
It takes Bella three hours to clean a house. It takes Anna two hours to clean the house. How long would it take for them to clean it together?
Answer: minutes.
GLOBAL VIOLYMPIC.
for one rectangle is 150 cm in circumference, divided along the width to be in shape and a smaller rectangular square. the area of the original rectangle. aware of the size measurements are natural numbers
Question 1 :
My giant flower doubles its size every day. On Friday, it is...... times as big as its was on the preceding Sunday.
Question 2:
100 hundreds + 1000 tens = .... ones
Question 7:
A set of five different numbers has an average of 12. If the average of four smallest numbers is 10 then the greatest number is .......
Question 8:
Jack, Mary and Jacob buy ice creams. Jack buys twice as many as Mary. Jacob buys three times as many as Jack. If Jacob buys 12 ice creams then Mary buys...... ice creams.
Question 9:
If we write all of the whole numbers from 10 through 99 and cross out any number in which the first or second digit is divisible by 2 (for example, 41 is crossed out as 4 is divisible by 2 and 36 is crossed out as 6 is divisible by 2), how many numbers are crossed out?
Answer:...... numbers.
Question 10:
Peter and John played in fifteen rounds game. In each round, the winner scored 5 points and the loser scored 2 points. At the end of the game, John’s total score was 57 points. How many rounds did Peter win?
Answer: ...... rounds.
Ai nhanh và làm đúng được 3 tick
Fill in the blank with the suitable number
Question 1:
There are 49 students in a class. Boy students are the number of girl students. There are girl students in this class.
Question 2:
Calculate:
The value of A is
Question 3:
Calculate:
The value of A is
Question 4:
Jessica is 8 years old. Her grandmother is of her age. How old is Jessica's grandmother?
Answer: years old.
Question 5:
If the sum of denominator and numerator of a fraction is 52 and the denominator is 18 units more than the numerator then the numerator is
Question 6:
Find two consecutive even numbers if the first number is of the second number.
Answer: The second number is
Question 7:
Calculate:
The value of A is
Question 8:
How many natural numbers not greater than 1665 which are divisible by 5?
Answer: numbers
Question 9:
If then is
Question 10:
The sum of three consecutive even numbers is 960. The greatest numbers is
The sum of two natural numbers is 520 and there are nineteen other natural numbers between them. Find the greatest number.
the sum of two even numbers is 374 and there are 29 odd numbers between them. Find the smaller numbers.
II. Area (Diện tích)
1. Surface area of 3D figure (Diện tích bề mặt của hình 3D)
Exercise 1: Candace places some identical cubes with side length 2cm on each other to get the figure below. Then she paints all the surfaces of the figure. Find the painted area.
(Dịch sang tiếng việt) Candace xếp các khối lập phương y hệt có cạnh dài 2cm chồng lên nhau để được hình dưới đây. Sau đó cô ấy sơn lên toàn bộ bề mặt của hình đó. Tính diện tích phần được sơn.
cho mình xin cách giải chi tiết và đáp án
The average of five different natural numbers is 4. If the different between the largest and smallest of these numbers is as large as possible, what is the average of the other three numbers?