Shapes
Arrays
Partitioning
100
Draw a triangle and explain what makes it a triangle
A triangle has three sides and three vertices
100
A row goes...
side to side, or left to right
100
What does it mean to divide something in half?
To divide it into two equal parts
200
Draw a pentagon and explain what makes it a pentagon
A pentagon has 5 sides and vertices
200
A column goes...
up and down
200
If I cut a Twizzler into 3 equal parts, I cut it into...
Thirds!
300
What is a quadrilateral?
A shape with 4 sides and vertices
300
What are equal addends?
Addends are the numbers you add together in an equation. If they are equal addends, they are the same. Like 2+2+2 or 5+5
300
Are these sandwich halves all equal or not?
Yes! The sandwiches are the same size, so either way you cut them, the halves will be the same size.
400
A hexagon has...
6 sides and vertices
400
Is this an array? Why or why not?
Yes! It is an array because there are equal rows and columns. 3+3+3
400
Show me how to partition a circle into thirds
500
Draw a square and a rectangle. Write or show what makes them different!
Squares and rectangles both have 4 sides and vertices, but a square has 4 EQUAL sides and a rectangle has 2 long sides and 2 short sides
500
Is this an array? Why or why not?
No! It is not an array because there are not equal rows and columns. One is missing, so you do not have equal addends. 4+4+3 or 3+3+3+2
500
Which of these shows fourths?
#1, #2, #4. The only one that is not fourths is #3 because the four parts are not equal in size.