The second grade mathematics examination paper Volume 1 Unit 7 Examination paper:
First, think carefully and fill in carefully.
1. Rewrite formula:
6+6+6+6 or
4+4+4+3 or
2.4? 7 is pronounced as (), which means that () has been added. Calculate with formula ().
3. Complete the formula.
Five forty-five sixty-eight twenty-eight
Six () Forty-two () Eighty-four forty-nine ()
Seven sixty-three, seven forty-two, three twenty-four
46 () () 2527 ()
4. What can I fill in ()?
29 >； ( )? 4 34 >； 5? ( ) 7? ()& lt30
( )? 8 & lt25 60 >( )? 9 ( )? 6 & lt38
5.( 1) Four eights are added, and the sum is ().
(2) One factor is 8, the other factor is 2, and the product is ().
6. There are () angles on the red scarf, including () acute angles and () obtuse angles.
7. fill in ○? & gt& lt=? .
1? 5○6 12○5? 2 3? 6○9? 2 4? 5○ 19
8. Fill in the figures according to the law
( 1)54、48、42、( )、( )、24、( )、( )。
(2)8、 16、24、32、( )、( )、( )。
Second, the calculation competition.
1. Write directly.
6? 3= 25+5= 30-9= 3? 3= 9? 4= 30-6=
8? 9= 5? 6= 6? 1= 0? 8= 7? 3= 5? 3=
8? 9-9= 7? 6+7= 6? 5+5= 4? 7-7=
2. Use vertical calculation.
4? 5= 6? 3= 7? 8=
Third, I will draw carefully.
1. Draw a right angle, an acute angle and an obtuse angle on the lower grid paper respectively.
2. Draw. Make the number three times.
The first line:
The second line:
Fourth, solve practical problems.
3. The school organizes students to water the trees, with 9 people in each group and 4 trees in each group. How many trees can this group water?
Dad went to Shanghai on business for three weeks. Do you know that dad has been away on business for a few days?
5. Go to the supermarket to buy things.
(1) How much is it to buy 8 toy cars?
(2) The price of basketball is nine times that of a toy plane. How much is a basketball?
(3) Can you ask any questions and solve them?