2D Shapes
What are the attributes of a 2D shape?
sides, vertices, and angles
How many faces are on a cube?
6
Fill in the blank.
In order to partition a figure, it has to divided into ______ parts.
Equal
Your family has 3 bicycles. Each bike has two wheels. How many wheels are there in all?
6 wheels
2+2+2=6
3x2=6
What is 9+7 equal to?
16
I have 4 vertices, 4 angles, and 4 sides. What am I?
Quadrilateral
What 3D shape is a dice similar to?
Cube
Whiteboard
Partition a rectangle into 2 rows and 4 columns.
Whiteboard Response
You see a pattern offer tiles with 4 columns of tiles and 4 tiles in each column. How many tiles are there in all?
16 tiles
4+4+4+4=16
4x4=16
What is 21-11 equal to?
10
What is the name for any 5-sided polygon?
Pentagon
What shape is the face of cube?
Each face is a square.
Whiteboard
Draw an array with 2 columns and 4 objects in each column.
Whiteboard Response
Part of a calendar shows 3 weeks with 7 days in each week. How many days are there in all?
21 days
7+7+7=21
7x3+21
What is 350+150 equal to?
500
What is a shape with ONE pair of parallel sides?
Trapezoid
How are 2D shapes different from 3D shapes?
2D shapes are flat, while 3D shapes are solid objects with length, width, and height.
*Answers vary*
Whiteboard
Draw an array with 5 rows and 3 objects in each row.
Whiteboard Response
I give you 5 bags of apples. There are 4 apples in each bag. How many apples did you receive in all?
20 apples
4+4+4+4+4=20
4x5=20
What is 12 tens, 5 hundreds, and 8 ones equal to?
628
What are the attributes a polygon?
1. Straight sides
2. Sides do not cross
3. Closed figures
What is the name of a point where at least 3 edges meet?
Vertex
How many rows and columns are in this array? What is the number model?
xxxxxx
xxxxxx
xxxxxx
3 Rows
6 columns
6+6+6=18
Whiteboard
Create a number story for the following repeated addition sentence.
3+3+3
Whiteboard Response
What is 10 tens, 7 hundreds, and 9 ones equal to?
809