At the beginning this summer, Kelly was 140 cm tall. At the end of the summer, she checked her height again and discovered that her height had increased by 5. How tall was Kelly at the end of summer?...

At the beginning this summer, Kelly was 140 cm tall. At the end of the summer, she checked her height again and discover...

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Kudo Shinichi

2 tháng 7 2017 lúc 10:39

At the beginning of the summer, Bob was 140 cm tall. At the end of the summer, he measured his height again and discovered that it had increased by 5%. Measured in cm, what was his height at the end of summer ?

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naruto dragon goku

14 tháng 2 2017 lúc 21:59

\At the beginning of the summer, Bob was 140 cm tall. At the end of the summer, he measured his height again and discovered that it had increased by 5%. Measured in cm, what was his height at the end of summer?

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Trần Lương Cát Tường

21 tháng 1 2016 lúc 21:36

Question 1: What is 1/6 of 744? Answer: 124Question 2: Express seventy thousand, four hundred and nine in numerals. Answer: 70409 Question 3: Study the pattern. 88:811 880:8110 8800:8 ? The missing number is 1100Question 4: Subtract 346 from 752. Answer: 406Question 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...

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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.

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Miss

17 tháng 1 2016 lúc 22:28

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 .... onesQuestion 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 crea...

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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

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Dragoon Knight

2 tháng 4 2015 lúc 20:01

Fill in the blank with the suitable numberQuestion 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 Jessicas 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 th...

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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

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Nguyễn Xuân Bách

13 tháng 4 2022 lúc 20:34

Combinatorics21. 15 students join a competition. Only top 5 students can be promoted to next round. How many different way(s) of promotion advance is / are there?Different way: Cách khác nhau.22. It is known that there are 8 classes of grade 5 in a primary school. At least how many students are there in grade 5 to ensure there exist 41 students in the same class?At least: Ít nhất; Ensure: Chắc chắn; Exist: Tồn tại.23. Choose 3 digits from 1, 2, 3, 4, 6, 8 and 0 to form 3-digit numbers. H...

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Combinatorics
21. 15 students join a competition. Only top 5 students can be promoted to next round. How many different way(s) of promotion advance is / are there?
Different way: Cách khác nhau.
22. It is known that there are 8 classes of grade 5 in a primary school. At least how many students are there in grade 5 to ensure there exist 41 students in the same class?
At least: Ít nhất; Ensure: Chắc chắn; Exist: Tồn tại.
23. Choose 3 digits from 1, 2, 3, 4, 6, 8 and 0 to form 3-digit numbers. How many even number(s) greater than 300 is / are there? (The repetition of digits is not allowed)
Digit: Chữ số; 3-digit number: Số có 3 chữ số; Even number: Số chẵn; Greater than: Lớn hơn; Repetition of digits is not allowed: Các chữ số không được lặp lại.
24. A flight of stairs has 10 steps. Peter can go up for 1 step, 2 steps or 3 steps each time. How many way(s) is / are there for Peter to go up the stairs?
Step: Bước; Way: Cách.
25. Numbers are drawn from 80 integers 20 to 99. At least how many number(s) is / are drawn at random to ensure that there are two numbers whose sum is 85?
Integer: Số nguyên; At least: Ít nhất; Random: Ngẫu nhiên; Ensure: Chắc chắn; Sum: Tổng.
~ End of Paper ~

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Nguyễn Xuân Bách

13 tháng 4 2022 lúc 20:44

Combinatorics21. 15 students join a competition. Only top 5 students can be promoted to next round. How many different way(s) of promotion advance is / are there?Different way: Cách khác nhau.22. It is known that there are 8 classes of grade 5 in a primary school. At least how many students are there in grade 5 to ensure there exist 41 students in the same class?At least: Ít nhất; Ensure: Chắc chắn; Exist: Tồn tại.23. Choose 3 digits from 1, 2, 3, 4, 6, 8 and 0 to form 3-digit numbers. H...

Đọc tiếp

Combinatorics
21. 15 students join a competition. Only top 5 students can be promoted to next round. How many different way(s) of promotion advance is / are there?
Different way: Cách khác nhau.

22. It is known that there are 8 classes of grade 5 in a primary school. At least how many students are there in grade 5 to ensure there exist 41 students in the same class?
At least: Ít nhất; Ensure: Chắc chắn; Exist: Tồn tại.

23. Choose 3 digits from 1, 2, 3, 4, 6, 8 and 0 to form 3-digit numbers. How many even number(s) greater than 300 is / are there? (The repetition of digits is not allowed)
Digit: Chữ số; 3-digit number: Số có 3 chữ số; Even number: Số chẵn; Greater than: Lớn hơn; Repetition of digits is not allowed: Các chữ số không được lặp lại.

24. A flight of stairs has 10 steps. Peter can go up for 1 step, 2 steps or 3 steps each time. How many way(s) is / are there for Peter to go up the stairs?
Step: Bước; Way: Cách.

25. Numbers are drawn from 80 integers 20 to 99. At least how many number(s) is / are drawn at random to ensure that there are two numbers whose sum is 85?
Integer: Số nguyên; At least: Ít nhất; Random: Ngẫu nhiên; Ensure: Chắc chắn; Sum: Tổng.
~ End of Paper ~

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Dragoon Knight

2 tháng 4 2015 lúc 20:36

Question 1:Compare: Question 2:Compare: A and B Answer: A BFill in the blank with the suitable number Question 3:Calculate: The value of A is Question 4:Calculate: The value of A is Question 5:Find two consecutive even numbers if the first number is of the second number.Answer: The second number is Question 6:There are 49 students in a class. Boy students are the number of girl students. There are girl students in this class. Question 7:How many natural numbers not greater than 1665 w...

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Question 1:
Compare:

Question 2:
Compare: A = and B =
Answer: A B

Fill in the blank with the suitable number

Question 3:
Calculate:
The value of A is

Question 4:
Calculate:
The value of A is

Question 5:
Find two consecutive even numbers if the first number is of the second number.
Answer: The second number is

Question 6:
There are 49 students in a class. Boy students are the number of girl students. There are girl students in this class.

Question 7:
How many natural numbers not greater than 1665 which are divisible by 5?
Answer: numbers

Question 8:
Calculate:
The value of A is

Question 9:
How many 3 - digit numbers are divisible by 2, 3 and 5?
Answer: numbers.

Question 10:
If then is

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Nguyễn Vũ Hà An

15 tháng 4 2017 lúc 9:24

Fill in the blank with the correct numberQuestion 1:Complete the number pattern: 0,3,8,15,24,,48.Question 2:Find the area of the shaded region if A and B are squares of sides 5cm and 8cm respectively. Answer: The area of the shaded region is .(write your answer by decimal in simplest form)Question 3:If , compute .Question 4:The side of each square grid is 2cm. Find the area of the shaded region.Answer: The area of the shaded region is .Question 5:If , find the value of m in .Answer: m.Questio...

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Fill in the blank with the correct number

Question 1:
Complete the number pattern:
0,3,8,15,24,,48.

Question 2:
Find the area of the shaded region if A and B are squares of sides 5cm and 8cm respectively.

Answer: The area of the shaded region is .
(write your answer by decimal in simplest form)

Question 3:
If , compute =.

Question 4:

The side of each square grid is 2cm. Find the area of the shaded region.
Answer: The area of the shaded region is .

Question 5:
If , find the value of m in .
Answer: m=.

Question 6:
How many whole numbers between 1 and 100 are not divisible by 3 or 11?
Answer: numbers.

Question 7:
Evaluate:
=.
(round to four decimal places)

Question 8:
Evaluate:
=.
(write your answer by decimal in simplest form)

Question 9:
Find the whole number A knowing that A is 9 units greater than the average of A, 38, 45 and 67.
Answer: A=.

Question 10:
Find the whole number C knowing that C is 14 units smaller than the average of C, 68, 72, 99.
Answer: C=.

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