First, fill in.
1. There are 4 out of ten digits, and the number with 0 in one digit is ().
2. The number with one digit being 5 and ten digits being 3 is ().
3. On the counter, the first digit on the right is (), the second digit is (), and the third digit is ().
4.79 is between () and ().
5. The maximum digit is (), the minimum digit is (), the maximum digit is (), and the minimum digit is ().
6. Sort the six numbers 75, 60, 36, 48, 57 and 80: () > () > gt; ()& gt()& gt()& gt( )。
7. Hundreds of digits are 1, and all other digits are 0. This number is ().
The number after 8.58 is ().
9. The number less than 62 and greater than 58 is ().
10. Sorting 80, 36, 63, 56, 37 and 18: ()
1 1. The number consisting of five tens and six ones is ().
12. Both reading and writing start from the () bit.
13. A number consists of eight tens, and this number is ().
14.23 is a () number, 8 is a () number and 100 is a () number.
15. 1 The number greater than 89 is (), and the number less than 1 89 is ().
Second, read and write the following numbers.
99 pronunciation (), 60 pronunciation (), 100 pronunciation (), 17 pronunciation ().
Seventy-five (), sixty-three (), eighty-two () and ninety ().
Third, can you continue to write?
1. 1 1、 13、 15、( )、( )、( )。
2. 10 、 12、 14、( )、( )、( )。
3. 10、20、30、( )、( )、( )。
4.5、 10、 15、( )、( )、( )。
5. Continuous +5: 27, (), (), (), (), (), (), ().
6. Continuous -7: 85, (), (), (), (), (), (), ().
Guess from the description. (Draw √)
1. Class one has 48 people, and Class two is less than Class one. 50 people (), 15 people () and 46 people ().
There are fifty radishes, and there are many more apples than radishes. 80 (), 20 (), 60 ().
Xiao Ming posted 76 posts, and Xiao Hong was much less than Xiao Ming. 77 (), 40 (), 15 ().
There are 89 basketballs in the gymnasium, and there are more volleyball than basketball. 76 (), 50 (), 9 1 ().
Fifth, look at the picture.
Sixth, solve the problem.
1. There are 52 students in Grade One 1 class. We are going to the park by two buses. A bus has already carried 30 students. How many people will take another bus?
2. After Xiao Ming bought 4 yuan 8jiao snacks, he still had 3 yuan money. How much money does Xiaoming have?
Xiaojun has 22 extracurricular books, and Liang Xiao has 8 more than Xiaojun. How many extracurricular books are there for two people?
Xiao Ming is reading 62 pages of books, and has read 20 pages. How many pages are left unfinished?
Boys planted 32 trees and girls planted 20 trees. A * * *, how many trees have been planted?
6. There are 20 people in the model airplane group and 35 people in the art group. How many people are there in the art group than in the model airplane group?
7. Xiaohong wants to write 12 calligraphy, and has already written six. How much more should he write?
8. Xiaoming has 8 stamps and Xiaohong has 3 1 stamp. How many stamps does Xiaoming have less than Xiaohong?
9. There are 24 washing machines sold in the shop, and there are 6 left. How many washing machines are there in the shop?
10. There were 42 people in one class, and 9 people didn't get on the cable car. How many people got on the cable car?
1 1. There are 82 lilies in the flower shop. I sold 70 in the morning and 9 at noon. How much is left?
12. There are 7 butterflies and 56 dragonflies in the garden. How many butterflies are less than dragonflies?
13. There are still 69 books on the shelf, and 5 books have been borrowed. How many books are there?
14.47 students attended the meeting and 9 chairs were removed. How many chairs do you need to move?
15. Fruits and forests are counting flowers. There are 45 kinds of fruits and 20 trees. How many fruits are more than trees?