42+20= 30+29= 83+6= 03= 47=
53= 88= 93-7= 96= 53-3+9=
67= 18+60= 85= 37-32-5= 83+4=
75-3= 87= 38- 18+25= 9+57= 34+9=
Fill in the blanks. (*** 16)
1，50m 26m = () m 3m- 100cm = () m。
32cm 19cm = () cm 20m+80m = () m。
( )6=30 ( )8=48 ( )( )= 18
7 ( )=42 ( )9=27 ( )( )=36
2, three children, a table tennis match, every two people, a * * * to play a game.
3. What can I fill in the following ()?
( )27 ( )7 ( )65
( )9 30( ) 4() 15 35( ) 45( ) () 15
4. Six 3' s are added, and the multiplication formula is (), which is pronounced as ().
5. Fill in the appropriate unit name.
A marker is about 10 () long. Mom is 1( )62 ().
The classroom is about 10 () long. This wooden bed is about 2 () long.
6. Fill in+,-or,, = in ○.
8○6=48 36○73-37 97○65
2○2=4 43○67 18○9=9
Third, multiple-choice questions, choose the serial number of the correct answer and fill in the brackets. (*** 10 point)
What is the sum of 1 and five 3s? The correct formula is ()
a、5+5+5= 15 B、5+3=8 C、53= 15
2. There are () two digits, consisting of 2, 6 and 0.
a、2 B、4 C、6、
3, 5+5+5+4 cannot be rewritten as formula ().
a、54 B、53+4 C、45- 1
4, four good friends meet and hug each other once, * * * to hug () times.
A, 3 times b, 4 times c, 6 times
5. In the following lines, the line segment is ().
① ②
③ ④
Four. Judgment: (***5 points)
The sum of 1 and 9 4s is 13. ( )
2. The height of Xiao Qiang is about137cm. ( )
3. Every corner has an endpoint and two sides. ( )
4. It takes 1 minute to walk clockwise. ( )
5. 1 linear length 100 meter. ( )
Verb (abbreviation of verb) Draw a picture: (***8 points)
1. Draw a line 2 cm shorter than 10 cm.
2. Draw an acute angle, a right angle and an obtuse angle on the square paper.
Sixth, calculation. (***20 points)
1, calculated vertically. (12)
67+32= 46+28+23=
96-54= 82-37- 12=
2. Column calculation: (***8 points)
(1) What is the sum of five 7s?
(2) Both addends are 18. What's the total?
(3) One multiplier is 6 and the other multiplier is 4. What is the product?
(4) What is the number 15 more than the sum of six 9s?
Seven, the use of mathematics. (*** 18)
1, each bus can take up to 9 people, and how many people can four buses take up to?
A: Four buses can take at most () people.
The fruit shop sent 48 boxes of fruit in the morning and 37 boxes in the afternoon.
(1) How many boxes of fruit are shipped a day?
A: * * * Deliver () boxes of fruit every day.
(2) 56 boxes have been sold, how many boxes are left?
A: There are () more boxes.
There are 43 female teachers in the school, and there are 27 fewer male teachers than female teachers. How many teachers are there in the school?
There are teachers () in the school.
4. A teapot 32 yuan and a teacup 4 yuan.
How much does it cost to buy 8 teacups and 1 teapot?
A: It costs () yuan to buy 8 teacups and 1 teapot.
② Can you ask other math questions and answer them?
The second grade math final answer:
First, write the number directly. (***20 points)
62 、59、30、0、28 、 15、64、20、54、59、42、78、40、0、28、32、56、45、66、2 1
Fill in the blanks. (*** 16)
1, 24m, 2m, 13cm, 100m, 5, 6, 29 or 36, 6, 3, 66 or 49.
Two or three games.
3、4、20、8、44、5、3、4、4、2
4, 63= 18 Pronunciation: 6 times 3 equals18; 36= 18 Pronunciation: 3 times 6 equals 18.
5.10cm,1.62cm,10m, 2m.
6. Fill in+,-or,, = in ○.
, =,+or,-.
Three. 1，C，2，B，3，A，4，C，5，④
Fourth, 1, 2, 3, 4, 5,
Verb (abbreviation of verb) Draw a picture: (***8 points)
1, draw an 8 cm line segment.
2. Right angles should have corner markers.
Six, 1, 67+32=99 46+28+23=97
96-54=42 82-37- 12=33
2、( 1)57=35(2) 18+ 18=36(3)64=24
(4)69+ 15=69
Seven, 1, 94=36 (person)
2.①48+37=85 (box) ②85-56=29 (box)
3, 43-27+43=59 (person) 4, ①48+32=64 (yuan)