Chapter 1 1. Students should make 10 lanterns. Eight lanterns have been made. How much more do they have to do? Six butterflies flew away from the flowers, and five others flew away. How many flew away twice?
There were 15 planes at the airport, and three of them flew away. How many planes are there at the airport now?
Xiaoping planted 7 pots of safflower and the same amount of yellow flowers. How many pots of two kinds of flowers?
The school used to have 5 bottles of glue and bought back 9 bottles. How many bottles are there now?
6. Xiao Qiang has 10 apples. I ate seven apples. How many more are there?
7. There are 13 cars in the passenger station, and three cars have already left. How many cars are there?
8. Children make paper-cuts with 8 pieces of red paper and the same amount of yellow paper. How many sheets of paper did they use?
9. There are 9 horses in the racecourse, and 5 more will come soon. How many horses are there on the racetrack now?
10, the store has 15 fans, and 5 fans have been sold. How many fans are there now?
extreme
1. There are 10 birds in the tree. How many birds are left after seven flies? 2. Xiaoming wrote eight characters on the first day and 10 on the second day. How many big characters did he write in two days?
There are 10 apples on the plate. Xiaohong ate four apples. How many apples are left?
Xiaoyun made seven flowers and brought three more. How many flowers are there now?
5. Xiaojun used 10 pencils twice, six pencils for the first time and several pencils for the second time.
6. The school has 17 balls and has borrowed 10 balls. How many balls are left?
7. Huanhuan made five big red flowers and Beibei made eight big red flowers. How much did they do together?
8. Lele has pears and apples *** 15, eight apples and several pears?
9. Yun Yun drew six flags and five in red. How many did they draw?
10, it is obvious to do 16 flowers. Six flowers are ready. How many more do you have to make?
Tisso
1. Students make 36 red flowers, 15 yellow flowers. How much less yellow flowers are than red flowers? Damin's family collected 20 cabbages and 23 lettuce. How much less cabbage is than lettuce?
3. Senior two students plant 30 flowers, how many 50 flowers will there be?
4. Xiaojun and Mingming jump rope. Xiaojun jumped 45 times and Ming Ming jumped 37 times. How many times less than Xiaojun?
There are 46 fruit trees in the orchard. There are more pear trees than apple trees 12. How many pear trees are there?
6. There are 18 rabbits and 7 black rabbits in the school. How many white rabbits are there than black rabbits?
7. There are 16 red goldfish in the fish tank. There are eight red goldfish in Huang Jinyu, and how many in Huang Jinyu?
8. Xiaoli patted the ball, 70 times twice, 30 times for the first time, and how many times for the second time?
9. Eight children drew 20 red flags, as many as yellow ones. How many flags did a * * * draw?
10. There are 47 peach trees and 36 pear trees in the orchard. How many pear trees are fewer than peach trees? Eight more pear trees were planted. How many pear trees are fewer than peach trees now?
Article 4
1, the red family ate three apples for the first time, eight apples for the second time, and how many apples did they eat twice? 2. There are 15 branches. Take seven sticks. How many sticks are left?
3. There are 9 people in the van, 4 people in the car, and how many people in two cars?
4. Beibei wants to be a 1 1 windmill. Six windmills have been built. How much more will be made?
5. It's obvious that 13 flowers were made, and 6 flowers were made. How many more flowers do you want to make?
6. Nini's family has 12 cabbages. After eating 9 cabbages, how many cabbages are left?
7. The army has completed five 13 paper boats. How much more will be built?
8. There are 8 big sheep and 6 little sheep on the grass. How many sheep are there in a * * *?
9. There are 14 red flowers and yellow flowers, 7 red flowers and how many yellow flowers?
10. How many red goldfish and platinum fish are there in Mingming's family?
chapter five
1, I calculated 100 math problems in the morning and 2 1 math problems in the afternoon. How many more math problems did you work out in the morning than in the afternoon? 2. There are 72 female students and 0/8 male students in the library. How many boys are less than girls?
There are 20 big monkeys and 30 small monkeys in the zoo. How many little monkeys are there than big monkeys?
4. School football 10, basketball 16. How much less is football than basketball?
There are 40 potted orchids and 60 potted chrysanthemums in the garden. How many potted orchids are planted as much as chrysanthemums?
6. Mom bought 18 red buttons, 10 white buttons and 8 black buttons.
(1) How many red buttons are there than white buttons?
(2) How many black buttons are there than white buttons?
7. The breeder keeps 25 white rabbits and 8 black rabbits. * * * How many rabbits?
8. The school bought 52 boxes of colored chalk. I used some, and there are 20 boxes left. How many boxes were used?
9. Male teachers 12, and 30 female teachers. How many female teachers are there?
10, Xiaoling bought a dictionary with 8 yuan money. She paid 20 yuan, the shop assistant. How much should she get back?