The examination paper of Unit 1, Book 1 of Grade Two Mathematics (1)
Think about it first. I'll fill it out. (32 points)
1, a corner has () vertices and () edges.
2. One factor is 5, the other factor is 9, and the product is ().
3. The red scarf has () corners. The cover of this math book has () right angles.
4. Measure the length or distance of a long object, usually in ().
5. What is the sum of five threes? () = (), formula: ()
6. 1 decimeter = () cm 50 cm = () decimeter
The sum of 7, 5 and 3 is (), 7 times 8 is (), and 3 9s are ().
8, 5+5+5+5 rewritten as multiplication formula is () or (), the formula is ().
9. Fill in ○? & lt= & gt？ .
7? 8○8? 7 6○3? 3 5+6○5? six
6? 5+7○35 4? 5+5○5? 5 7? 8○6? nine
10, come up with different formulas and fill in the appropriate numbers.
18=( )? ( )=( )? ( )
24=( )? ( )=( )? ( )
Second, I can calculate. (20 points)
4? 6= 70-3= 46+27= 94-38=
9? 7= 8? 4= 7? 7= 7+55=
3? 1= 5? 6= 5? 5= 4? 2=
9? 6= 7? 3= 4? 9= 9? 3=
4? 6+6= 7? 9+7= 5? 9-6= 6? 5-3=
Three. I can choose the serial number of the correct answer (6 points)
1, a triangle has () right angles.
① 1 ② 2 ③ 3
2. There are () angles in the picture on the right, in which () is a right angle.
① 2 ② 4 ③ 5
3. Equation 9? 6-9 is equal to the following ().
① 9? 5 ② 9 ? 6 ③ 9? seven
Aunt Wang bought two bunches of flowers, a bunch of 8 flowers and a bunch of 6 flowers. How many branches are there in one bundle? The following formula is correct ()
①8? 2 ②8? 6 ③8+6
5.8 Frogs have legs.
① 16 ② 32 ③ 48
Fourth, the judge. (Right? , wrong number? , 6 points)
The longer the side of the 1. angle, the greater the angle. ( )
Multiply 2.4 and 3 to write 4? 3, pronounced as 3 times 4, can be calculated by formula 342. ( )
When two numbers are multiplied, the product must be less than the sum of the two numbers. ( )
4. The right angle must be greater than the acute angle. ()
5. A triangle has at most one right angle. ( )
6. Count 6? Three three? You can use the same formula to calculate. ( )
5. Draw a picture as required.
1, and the following multiplication formula is represented by a triangle. (4 points)
5? 4 3? seven
6. Look at the pictures and fill in the blanks. (4 points)
Seven, column calculation. (6 points)
What is the product of (1)6 times 5?
(2 Both factors are 8. What is the product?
(3) What number is17 greater than eight fives?
Eight, solve the mathematical problems in life. (28 points)
1, buy 6, each 9 yuan, one * * *, how much?
2. After a rope is folded in half once, it is folded in half again. At this time, the length of each fold is 8 meters. How long is this rope?
3. Each pair of 5 yuan, each pair of 4 yuan and each pair of 3 yuan.
(1) How much does it cost to buy eight pairs of table tennis bats?
(2) How much does it cost to buy five balls?
(3) What other mathematical problems can be solved by multiplication? parallel computing
The first volume of the second grade mathematics unit 1 examination paper (2)
First, a small computer. (20 points)
25+6= 48-9= 47-20= 5? 5= 4? 4-4=
6? 3= 20-5= 4? 3= 3? 3= 3? 4+ 1=
6? 6= 3? 6= 32-6= 1? 6= 5? 3-5=
37-6= 53+8= 25+4= 24+4= 2? 5+2=
Second, consider filling in. (3 1)
1. Fill in the blanks with pictures. (6 points)
① 12, one () for each, divided into (). □○□=□
② 12 pieces, divided into () pieces on average, each piece has () pieces. □○□=□
2. Look at the picture and write two multiplication formulas, and write the derivation judgment. (3 points)
3. Draw four more numbers regularly and fill them in.
△○○○○○○○○○○○○○○○○○○○○○○○○○○○○○9
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○967
4.4 3 plus, can you write ()? (), you can also write ()? ( )。 (6 points)
Addition formula:
5. Complete the oral decision. (6 points)
24 () 35 () 46 ()
Twenty-three equals sixty-two.
6. fill in ○? & gt、& lt、=? Or? +、-、? , 100 (6 points)
3? 3○6 2? 3○8 4○2=2
3? 4○ 12 2○6= 12 3○3=6
Third, please draw the correct answer? . (8 points)
1. Can you use 4? The form of 2 is expressed as
4+2□ 4+4+4+4□ 2+2+2+2□
2. Both multipliers are 3, and the product is.
3? 3□ 2? 3□ 3+3□
3. The formula that the result is equal to 12 is ().
6-6□ 4? 3□ 6+2□
4.4? () & lt20, the maximum value can be filled in brackets ().
4 □ 3 □ 2 □
Fourth, do the exercises. (8 points)
1. is divided into two triangles, a triangle and a quadrilateral.
2. Draw a rectangle and a parallelogram respectively.
Fifth, integrate into life. (33 points)
(1) How many did a * * * pick?
(2) 60 units have been shipped, how many units are left?
4.( 1) How many trees did Xiaolan plant?
(2) How many trees did Xiaofang plant? )
Xiaoming and his five classmates each planted five trees. How many trees have they planted?