1. What figures can be drawn with the following cuboids, cubes and cylinders? Company after company.
Second, fold it first, and then cut it like this to get a () figure.
Unit 2 of Grade One Mathematics Volume: (1) Square (2) Rectangle (3) Parallelogram (4) Circle.
The picture below shows a cuboid and a pen in a little boy's hand. He can draw at most () different rectangles.
( 1)6 (2)4 (3)3
Four.
The * * * in the figure has () squares.
Five,
Graphics Rectangular Square Circular Triangle
No. () () () () ()
6. How many identical matches do you need to spell these numbers?
() root () root () root
Draw a line in each graph and divide them into two triangles.
Eight, count and fill in.
() Square () Rectangle () Triangle
9. What do they look like when folded? Company after company.
Draw a rectangle, a square and a triangle on the grid paper.
Eleven, according to the appearance of painting.
△○△○○△○○○( )
△□○△□○△□○( )
Twelve, look at the picture.
12
? individual
Thirteen, into life.
1. Mom bought 13, five, how many more, will it be the same?
There are 0/5 people on the bus/kloc-and 8 people get off at the station. How many people are there on the bus?
There are 9 birds in the tree, and 4 more are coming. How many are there now?
Pingping made 13 flowers, including 7 red flowers and several yellow flowers.
5.A * * * has 12 watermelons. Some have been sold, and there are five left. How much did you sell?
Calculation part
1, the following questions are calculated orally.
13-9= 16-7= 12-3= 1 1-8= 17-9= 18-9= 15-8= 16-9= 14-5= 15-6= / kloc-0/ 1-7= 1 4-7= 12-5= 13-4= 1 1-2= 12-6= 1 1-9= 13-8= 1 / kloc-0/-3= 14-9= 15-7= 1 1-4= 7+ 6= 5+6= 4+9= 3+8= 1 1-5= 1 1-6= 12-4= 1 2-7= 12-8= 12-9= 13-5= 13-6= 13-7=
14-6= 14-8= 15-9= 16-8= 17-8=
4+7= 8+5= 8+7= 9+4= 15-5=
14-9-2= 12-7+6= 7+6-8= 6+3+4= 15-7+6=
8+8-7= 1 1-9+8= 6+9-8= 4+7-5= 16-8+4=
2. Win the red flag.
-7 + 5 -8 + 9
( ) ( ) ( ) ( )
-9 + 8 -7 +8
16 ( ) ( ) ( ) ( )
+8 -7 + 9 -5
3 ( ) ( ) ( ) ( )
3. Fill in the appropriate number in (). (18)
12-( )=5 4+( )= 12 15-( )=6
7+( )= 1 1 ( )-6=9 1 1-( )=5
5+( )= 13 14-( )=7 5+3=( )- 7
1 1-4=( )-( )=( )-( )=( )-( )=( )-( )
16-7=( )-( )=( )-( )=( )-( )=( )-( )
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