A Complete these sentences according to the clues in brackets.1._______ ________ _________,people counted numbers in tens.《在古代》2.Can you write these numbers ______ _______ _______?3.The picture _________ ___________amodern calculator.《代

A Complete these sentences according to the clues in brackets.1._______ ________ _________,people counted numbers in tens.《在古代》2.Can you write these numbers ______ _______ _______?3.The picture _________ ___________amodern calculator.《代
A Complete these sentences according to the clues in brackets.
1._______ ________ _________,people counted numbers in tens.《在古代》
2.Can you write these numbers ______ _______ _______?
3.The picture _________ ___________amodern calculator.《代表》
4.A computure can do a calculation _______ ________ ________.非常快
5.It is an abacus.改为复数句子
__________ __________ ___________
6.The little girl knows two languages.划线的句子提问
----
___________ _________ languages __________ the little girl ___________?
7.My phone number is 25865281.对划线句子进行提问
--------------
_______________your phone number?
8.Use your own computer.改为否定句
_______ _______ your own computer.
9.A computer can do a calculayion in a flash.改为一般疑问句
_________ a computer ________a clculation in a flash?
10.The abacus in the picture shows a number.对划线部分提问
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________ _________shows a number?
11 David is from Thailand.改为同义句
David______ ________ Thailand.
12 The beads on the wires show ones,tens,hundreds and thousands.改为同义句
The beads on the wires_______ _______ ones,tens,hundreds and thousands.
13 This was a very important invention.改为感叹句
_________ __________important invention it was!
Rewrite these sentences with the help of the words in brackets.
1.multiply 4 by 5,and you will get 20.
2.Add 3 and 9,and you’ll get 12.
3.Subtrct 2 from 10,and you’ll get 8.
4.Divde 8 by 4 ,and you’ll get 2.
5.Keep quiet,please.
快,人在
画线部分：
7.25865281
6.two
10.in the picture

A Complete these sentences according to the clues in brackets.1._______ ________ _________,people counted numbers in tens.《在古代》2.Can you write these numbers ______ _______ _______?3.The picture _________ ___________amodern calculator.《代
A Complete these sentences according to the clues in brackets.
1.___In____ ___the_____ ______past___,people counted numbers in tens.《在古代》
2.Can you write these numbers __in ____ _____different__ ___ways____?
3.The picture _____stands____ _______for____a modern calculator.《代表》
4.A computure can do a calculation _____in__ ____a____ ____flash____.非常快
5.It is an abacus.改为复数句子
____They______ _____are_____ ______ abaci_____
6.The little girl knows two languages.划线的句子提问
----
____How______ ___many______ languages ____can______ the little girl ______speak_____?
7.My phone number is 25865281.对划线句子进行提问
--------------
___What's____________your phone number?
8.Use your own computer.改为否定句
____Dont't___ ___use____ your own computer.
9.A computer can do a calculayion in a flash.改为一般疑问句
_____Can____ a computer _____do___a clculation in a flash?
10.The abacus in the picture shows a number.对划线部分提问
--------------
____Which____ ____abacus_____shows a number?
11 David is from Thailand.改为同义句
David___comes___ __from______ Thailand.
12 The beads on the wires show ones,tens,hundreds and thousands.改为同义句
The beads on the wires___stands____ ____for___ ones,tens,hundreds and thousands.
13 This was a very important invention.改为感叹句
____What__an_important invention it was!
Rewrite these sentences with the help of the words in brackets.
1.multiply 4 by 5,and you will get 20.
4 times 5 is 20.
2.Add 3 and 9,and you’ll get 12.
3 plus 9 equals to 12.
3.Subtrct 2 from 10,and you’ll get 8.
10 minus 2 is 8
4.Divde 8 by 4 ,and you’ll get 2.
8 divided by 4 is 2.
5.Keep quiet,please.
Don't make noises ,please.

1.In ancient times
2.In different ways
5.These are abacuses
6.How many languages does the litter girl knows?
7.What's your phone number?
8.Don't use
11.comes from