2,42 contains () tens and () ones.
3. Starting from the right, the first position is (), the second position is () and the third position is ().
4, 87 is pronounced as (), and 50 is written as ().
5. 13 is greater than 9 () and 6 is less than 8 ().
6. At night, the sun sets at about ().
7. The number 5 greater than 9 is (), the number 9 less than 18 is (), and the difference between 13 and 5 is ().
8. Our blackboard is () shaped, and our red scarf is () shaped.
9. When the hour hand and minute hand on the clock face coincide, it is (), and when they are in a straight line, it is ().
10 and 30 are more than () 1 and less than () 1.
1 1, reading and writing are from () bit.
12, arranged in a certain order 46, 37, 84, 53, 58, 17:
()& gt()& gt()& gt()& gt()& gt( )。
Second, 1, who is the most careful in calculation (12 points)
67+4= 47+50= 6 1-9= 45-9=
38+6= 89-60= 34-6= 78-8=
45+6= 64-30= 58-6= 79-30=
2. Follow my example (4 points)
3, which formula results are wrong, wrong to correct (12 points)
63? 4=23( )( ) 45? 7=38( )( ) 4+53=93( )( )
72? 8=80( )( ) 48+6=44( )( ) 60+30=90( )( )
Iii. I am an impartial referee (10)
(1) From the left, the first digit is one, the second digit is ten, and the third digit is one hundred. ( )
(B) 86 Writing: 806 ()
(3) Two squares of the same size can form a rectangle. ( )
(4) My sister does her homework every night 1. ( )
(5) Xiaohong gets up in the morning 12. ( )
Fourth, count.
1, (5 points) with ()
2. A sunny day (5 points)
Go to school in the morning () and the first class ends at noon ().
School ends at 5 pm and goes to bed around 9 pm.
V. Numbers in life
(1) In the skipping competition, Xiaohong jumped 20 times, Xiaoli jumped 30 times and Xiaoming jumped.
There are more girls than Xiaohong and fewer girls than Xiaoli.
How many times did Xiao Ming jump? (Tick "√" under the appropriate answer) (2 points)
(2) How many times did Xiaohong and Xiaoli jump? (5 points)
(3) How many times does Xiaohong jump than Xiaoming? (5 points)
(2) There is a story book with 90 pages and 9 pages. How many pages have you read? (5 points)
(3) Football 20 yuan, basketball 59 yuan, football is much cheaper than basketball.