1、☆☆☆☆☆☆☆
△△△△△
__☆_
compare
__△__
Duo, Duo __2__
A.
2. The number next to19 is (
18
) and (
20
)。
3. One addend is 8, the other is 5, and the sum is (
13
)。
4. The minuend is 8, the minuend is 19, and the difference is (
1 1
)。
5, 16 has (
six
) First, there is (
1
) ten; Have (
2
) ten.
6、(
seven
)+
six
=
13
eight
+(
nine
)= 17
7,6 one, 1 ten is (
16
)。
Have (
30
) one.
8, a two-digit number, starting from the right, the first is (
individual
), ten is the first (
two
) bit.
9. Fill in the numbers according to the rules.
three
、
5、
seven
、
nine
、 1 1、
13
、 15
10
、7
、
four
、
1
10, write and 8.
+
Four equal three addition formula.
_2+ 10= 12_
_5+7= 12_
_3+9= 12_
1 1. When is your first class?
40
) minutes.
12, what is your birthday (
10
) month.
2. Arrange the following figures in descending order (3 points).
17
1 1
seven
nine
19
four
20
15
_4、7、9、 1 1、 15、 17、 19、20。
Third, complete the following questions as required. (4 points)
1, __9__ 1 hour is
10 hour; About __4__ is 13 hours.
2, 28 increase (
seven
) It's 35.
3. Mom is older than you (
22
) years old.
Know the figures and count the number of each figure below. (8 points)
?
(
?
) cube
(
?
) cuboid
(
?
) cylinder
(
?
) a ball
Verb (abbreviation for verb) calculation
1, direct write number (*** 12 points)
4+5=
nine
7+5= 12
5+8=
13
9+4= 13
8-2=6
8+7= 15
7-3=4
13-3= 10
7-7=
8+3= 1 1
9+6= 15
9+9= 18
18-5= 13
7+6= 13
15-3=
12
8-6=
2
9-5=
four
6+9= 15
10-8=2
9-7=2
3+3+2=8
7+2-5=
four
10-6+5=
nine
8+6-3= 1 1
2. Fill in "
> "or"
="。 (12)
5+9= 14
9> 18- 10
7+8< 16
10-83+8
8+5>7+4
3, look at the picture and write the formula (4 points)
★★★★
★★★★★★★★
★★★
_4+8+3= 15__
__ 15-4-8=3__
_ 15-8-3=4___
__ 15-3-4=8__
Sixth, use mathematics. (***3 1 min)
1、(
four
) δ δ is
△△△△△△△△△△△△△△△
2,7+10 =17 (pieces)
6+ 10+ 10=26 (person)
3. There are 32 people in the east, 0/8 people in the south, 0/6 people in the west and 0/4 people in the west. Have (
80
) people?
Students of gymnastics team are arranged to do exercises in two rows. There are six people in one row and nine people in the other. How many people are there in a row?
6+9= 15 (person)
5. Xiaoming read a book. He read nine pages yesterday and eight pages today. How many pages did Xiao Ming read in two days?
9+8= 17 (page)
6. There are 15 students, 10 girls and how many boys in the Art Group of Class 1, Senior High School?
15- 10=5 (person)
Seven, additional questions (20 points)
1, a group of children lined up to play games, Xiao Ming counted from the back, he ranked fifth, he ranked third, * * * How many children are playing games?
3+5- 1=7 (pieces)
A: * * * There are seven children playing games.
2、○○○●●○○○●● ......
Then draw down. What color is the 20th one?
A: Then draw the 20th one in black.