Math homework exercise in the second volume of the first grade of primary school
1、①3、5、9、 15、()、33。 ②5、2、6、2、8、2、 1 1、2、 15、2、()、2、26。
③ 13、3 1、24、42、35、53、()、()、57、75。
④ 1, 3, 5, 7, (), () and () are all () numbers, and 2, 4, 6, 8, (), () and () are all () numbers.
2. Brothers and sisters each have 12 water strokes. After writing and drawing with the same amount of water strokes, my brother left 1 and my sister left ().
3. Small class children go out to take pictures. The teacher is worried that students will fall behind. Count yourself 6 from the back to the front, and 7 from the back. You said that a * * has () children.
4. Xiao Li read 1 page on the first day, and then read 1 page more every day than the day before. On the fourth day, she read page ().
5, a wooden stick with 2 cut 1 time, with () cut twice.
6. There are six black chess and six white chess in the chess box, which are put together in disorder. If you want to touch them from the chess box, you must touch at least () pieces to ensure that a pair of socks have the same color.
7. (1) Cobanawa six children lined up, Xiaohua stood in the second place, and there should be () children behind Xiaohua.
(2) The monitor lines up to do exercises, with the seventh counting him from the front and the sixth counting him from the back. Xiaoqing has () people in this team.
(3) The monitor lines up to do exercises. There are seven students in front of him and six students behind him. There are () people in this team.
8. My father bought some peaches, my mother ate two, and my brother and father each ate 1, just half of them. Let dad buy () apples.
Math homework exercises for the first grade of primary school Part II
Fill in the blanks. 1. Starting from the right, the first number is () and the second number is ().
2. A square has () sides, and all four sides are ().
3. 1 a number consisting of tens and sixes is ().
Second, calculation.
9+6=
15-9=
5+8=
13-8=
7+5=
14-7=
6+5=
12-6=
5+9=
10-5=
3+8=
1 1-3=
15+2=
16-6=
19- 10=
17-4=
Third, calculation.
2+5+6=
14-8+6=
19-6-3=
5+7-6=
15-3+4=
1 1+5-9=
16-6+7=
17- 10+8=
4. Fill in ○ or =.
7○ 1 1-4
6+8○ 15
8+6○ 15-3
16-8○ 15-7
5. Column calculation.
How much are 1 and 17 more than 8?
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2. How much is14 less than 6?
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Sixth, solve the problem.
1, and 17 laps. I got 8 laps. How many laps are left?
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2. Grey rabbits 12, 7 white rabbits. How many white rabbits and grey rabbits are missing?
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3. There are 7 cocks and 1 hen 1 1. How many hens are there more than cocks?
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Math homework exercises in the second volume of the first grade of primary school
Look at the formula first. 1 The children in Class 62 planted 3 1 trees, Class 63 planted 35 trees, and Class 64 planted the same trees as Class 63. How many trees have they planted?
(1) How many more trees have been planted in Class 64 than in Class 62?
(2) How many trees were planted in Class 64 and Class 62?
2. Xiaohua drew 46 balloons, Xiaohong drew 6 more balloons than Xiaohua, and Xiaoming drew 10 fewer balloons than Xiaohong.
(1) How many balloons did Xiaohong draw?
(2) How many balloons did Xiao Ming draw?
(3) How many balloons did they draw?
(4) How many balloons did Xiaohua draw than Xiaoming?
3. There are 36 butterflies and 4 bees per kloc-0. How many butterflies are less than bees?
Fill in the blanks.
1, one-to-one correspondence, the second number after 56 is (), and the first number before 56 is ().
2. One digit is 6 and one digit is 8. The number is pronounced () and written ().
4. Write a number less than 5 1 greater than 40 ().
Among the numbers 5, 58, 43, 96, 88 and 75, the number of is (), and the smallest number is (), which is 50.
Big, the number less than 88 is (), the number greater than 40 is (), and the number less than 96 is ().
6、6。 9 yuan = () Angle, 7. 5 Angle = () points, 84 points = () Angle.
7. The numbers are one after another. The three numbers after 96 are () ().
8. The two numbers adjacent to 89 are () ().
9. Write a number greater than 62 and less than 7 1 ().
10,2014 primary school grade one, volume 2, math exercises: one hour = () minutes, one minute = () seconds, and those two hours = () minutes.
Third, calculate the formula/fill in the blanks according to the questions.
1, Xiaoming has 43 paper boats, with 23 fewer florets and 3 more florets in Xiaotian.
(1) How many paper boats does Xiaohua have?
How many paper boats are there in Xiaotian?
(3) How many paper boats does Xiao Ming have than Xiao Hua?
(4) How many paper boats does Xiao Ming have than Xiaotian?
(5) What other questions can you ask? And list the formulas.
Xiaohua has 59 balloons and Xiao Li has 63 balloons. Xiaomei has more balloons than Xiaohua, but fewer than Xiaoli. Little sister may have at most (), at least () or ().
Teacher Zhang has 53 shuttlecocks, 39 of which were borrowed by classmates and later returned to 15. How many badminton does teacher Zhang have now?
There are 52 watermelons in the car, and 3 1 was moved in. Then I sold 47 watermelons. How many watermelons are left now? How much more is sold than moved in?