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Câu 1

How many double digit numbers are there?
Answer:

numbers.

Câu 2

How many single digit numbers are there?
Answer:

numbers.

Câu 3

Write the words in number form which consist of: 7 hundred thousands, 6 thousands, 3 hundreds, 4 tens and 2 units.
Answer:

Câu 4

Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
99; 100;

Câu 5

1kg of apple costs 2 dollar and 1kg of orange costs 3 dollar more than an apple. Jean bought 10kg of apples and 8kg of oranges. How much did she have to pay for the fruits?
Answer:

dollar.

Câu 6

The perimeter of a square garden is 36m. What is its area?
Answer: Its area is

m^2m2.

Câu 7

Find the product of 7 tens and 7 ones.
Answer:

Câu 8

Anna has 206 stickers and Mary has 78 stickers. How many stickers must Anna give to Mary so that they have the same number of stickers?
Answer:

stickers.

Câu 9

The product of 40 and a number m, is a 2-digit number that greater than 40. The value of m is

Câu 10

A number has a digit 3 in ones place. It is greater than 64 but less than 82. What number is it?
Answer:

Write the words in number form which consist of: 7 hundred thousands, 6 thousands, 3 hundreds, 4 tens and 2 units.
Answer: 

Câu 2:
Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
897;  ; 899

Câu 3:
Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
; 87; 88

Câu 4:
How many single digit numbers are there?
Answer:  numbers.

Câu 5:
6 is just after of 5 and 5 is just before of 6. What is the product of just after and just before of 10?
Answer: 

Câu 6:
Jean has 3014 beads. She has 497 beads less than Gillian. How many beads do they have altogether?
Answer: They have  beads altogether.

Câu 7:
There are 56 apples in a basket.  of them are green and the rest are red. How many red apples are there?
Answer: There are  red apples.

Câu 8:
The perimeter of a square garden is 36m. What is its area?
Answer: Its area is  .

Câu 9:
248 boys and 418 girls were divided into groups of 9. How many groups were there altogether?
Answer:  groups.

Câu 10:
Mr Junior bought 1 magazine, 1 book and 1 pen. The pen costs 5 dollar, the book costs 31 dollar more than the pen. The magazine costs twice as much as the book. How much did he spend on the three things?
Answer: He spent  dollar.

Câu 1:
If Juan spent  of his money on a game that costs 20 dollar, how much did Juan have originally to spend?
Use the diagram below to reason the answer.

Answer:  dollar.

Câu 2:
If you make the 8000km trip, about how much would it cost at today's prices of 3.00 dollar per liter of gas when your car gets 25km per liter?
Answer:  dollar.

Câu 3:
A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000 seeds?
Answer: 

Câu 4:
How many apples would you get from the 10th tree if a farmer notices a pattern from picking the apples on the 1st through the 10th tree. He picked 4 from the first tree, 7 from the second tree and 10 from the third tree.

Answer: 
 

Câu 5:
The 112 4-grade students at Edgemont School donate pennies to raise 75 dollar for a local charity. What is the minimum number of pennies each student needs to bring if they are to meet their goal of collecting 75 dollar?
(1 dollar = 100 pennies)
Answer:  pennies.

Câu 6:
Examining the operation of how to use the number of days to find the number of beans in a classroom jar is shown the table. On day 31, how many beans would be in the jar?

Answer:  beans.

Câu 7:
If  and , what is the value of ?
Answer: 

Câu 8:
What is the value of the following expression: ?
Answer: 

Câu 9:
Calculate:
.

Câu 10:
What is the next number in the pattern: 1, 8, 27, ...?
Answer: 

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