1. Math homework topic in the second volume of the first grade of primary school 1
First, write the number directly.
7+6= 14-6= 13-5= 12-9=
19-7= 14-6= 4+7= 1 1-3=
1 1-4= 15-8= 12-8= 8+9=
2. Fill in ○ or =.
25○24 55○65
100○99 78○87
Third, the application problem.
1 and 12 yuan can buy 1 cars, 19 yuan can buy 1 carts. How much does it cost to buy one per person?
There are 2 boxes of water, one with 8 bottles and the other with 7 bottles. How many bottles of water are there?
Students go boating in the park. There are 20 people in the first group and 34 people in the second group. How many people are there?
4. Aunt Zhang spent 15 yuan bought 1 a pair of shoes. How much does it cost for her to buy 1 double * * *?
Mr Wang bought a skipping rope with 40 yuan. Buying a ball is more expensive than skipping rope, 27 yuan. How much does it cost to buy a ball
6. Xiaohong made 28 red flowers on the first day and 19 on the second day. How much did * * * do?
7. Mom buys a teacup to go to 24 yuan, and Dad buys a bowl to go to 36 yuan. How much are the cups and bowls?
8.25 people crossed the river with one boat, and another 19 people crossed the river with another boat. * * * How many people want to cross the river?
9. There are 14 rabbits. There are only 23 monkeys more than rabbits. How many monkeys are there?
10, a story book has 24 pages. Xiaohong has read 9 pages on the first day. How many pages do you want to read?
2. The first grade of primary school, the second volume of math homework topic 2
First, fill in. 1, 4 in ten and 0 in one 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 in the middle of () and ().
5. One is (), the smallest two are (), the second is (), and the smallest three are ().
6. Sort the six numbers 75, 60, 36, 48, 57 and 80: () > () > gt; ()& gt()& gt()& gt()。
7. Hundreds of digits are 1, other digits are 0, and this number is ().
8, less than 62, greater than 58 ().
9. Sorts 80, 36, 63, 56, 37 and 18: ()