MindMap Gallery Shapes and Geometry 2
This is a mind map about graphics and geometry 2. The main content includes calculation of graphics, movement of graphics, number graphics, and line segments. hope it is of help to you!
Edited at 2022-08-29 18:47:54This is a mind map about bacteria, and its main contents include: overview, morphology, types, structure, reproduction, distribution, application, and expansion. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about plant asexual reproduction, and its main contents include: concept, spore reproduction, vegetative reproduction, tissue culture, and buds. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about the reproductive development of animals, and its main contents include: insects, frogs, birds, sexual reproduction, and asexual reproduction. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about bacteria, and its main contents include: overview, morphology, types, structure, reproduction, distribution, application, and expansion. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about plant asexual reproduction, and its main contents include: concept, spore reproduction, vegetative reproduction, tissue culture, and buds. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about the reproductive development of animals, and its main contents include: insects, frogs, birds, sexual reproduction, and asexual reproduction. The summary is comprehensive and meticulous, suitable as review materials.
primary Mathematics
Figures and Geometry
graphical calculations
flat graphics
rectangle
area
a×b
perimeter
2(a b)
square
area
Side length×Side length
perimeter
4×side length
triangle
area
Bottom×height÷2
perimeter
a b c
Parallelogram
area
bottom×height
perimeter
2(a b)
round
area
πr²
perimeter
2πr
ring
area
πR²-πr²
perimeter
2πR 2πr
Three-dimensional graphics
cuboid
volume
abc
perimeter
4(a b c)
surface area
2(ab ac bc)
cube
volume
a³
perimeter
12a
surface area
6a²
cylinder
volume
πr²h
Bottom area
2πr²
surface area
2πr(r h)
Cone
volume
1/3πr²h
truncated cone
volume
1/3πR²-1/3πr²h
graphic movement
Pan
rotate
Example: rotate 90° clockwise around point d
number graphics
Example: How many triangles are there in this picture?
line segment
straight line
No points at both ends
Rays
One end has no dots, the other has dots
line segment
A little bit at both ends
Number of line segments
Example: There are several line segments in this picture