Unit 3, Volume 1, Grade 1, Primary School, Math Problem 1
First, fill it out.
()+5=7
6+()=9
()-4=6
()+6=8
Second, fill in the blanks
1 and 5 are larger than () 1 and smaller than () 1.
2. In 3, 6, 8, 10, the number much smaller than 9 is ().
3,5 plus 2 in succession: _ _ _ _ _ _ _ _.
4. One digit plus () is the smallest two digits.
5. Count from 0 to 10 ().
6. The subtraction is 2, the minuend is 9, and the difference is ().
7. 10 has a ().
8. None of them are represented by ().
9. One addend is 5, the other is 2, and the sum is ().
10 and 7 are preceded by () and followed by ().
Third, solve the problem.
1. There are 10 carrots and white radishes, 5 carrots and how many white radishes?
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Three people got off the bus, and now there are four people on the bus. How many people are there on the bus?
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3, a story book, I read 10 pages in two days, 6 pages yesterday, how many pages did I read today?
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Xiaojun made five paper boats, but the other four didn't. How many paper boats does Xiaojun want to make?
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Fourth, additional issues.
Xiaowen is 6 years old and Xiaoming is 9 years old. Two years later, how old is Xiao Ming than Xiao Wen?
The first volume of the first grade of primary school Unit 3 Math Exercise 2
First, oral calculation.
2+ 1= 3-3= 4- 1=
4+ 1= 2+3= 2-0=
5-0= 5-4= 3+2=
3- 1= 5- 1= 1+2=
Second, fill in the numbers.
()2 、 ()、()、 05
3. Comparison (put ">" in ○), () & gt()& gt()& gt()& gt ()
3、5、4、7、 10
()