trả lời bài này cho mình với

• 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:

   

   

1, Write the correct form of each verbs in brackets:

1  If you (put) ........................................ the glasses into very hot water, they  (crack )...................................

2 If Peter (be) .......................late, we (wait)................................................for him

3No one (help)...........................you if you (not help) ............................................... youself

4 If you (boil ) ....................................water, it(disappear)..............................into the atmosphere as vapor

5 If it (rain)...................... tonight, I(not go )..............................for walk

6 If you see him,I (give)...............................him a gift

7 If I find your passport, I (telephone)................................. you at once

8Someone (steal)..................................your car if you leave it unlocked

9 If he (wash).........................my car, i'll give him $10

10They'll ve cery angry if she (make)...........................................any more mistakes

11 If he (be) ..........................late, we'll go without him

12 If you are late, hey (not let).....................you in

13 If I lend you $ 10, when....................................you(repay)..............................me?

14 If I tell you a secret ,.....................you (promise)....................................not ti tell it to anyone else?