Multiplication
36x3=??
108
___x4=24
6
Can a rectangle be a square?
No, but a square can be a rectangle
Identity Property
This property leaves the number unchanged
a+0=a
A*1=A
How many ounces is one pound?
16 ounces
27x3=??
81
21/____=7
3
What is a quadrilateral with only one set of parallel sides?
Trapezoid
Commutative Property
You can MULTIPLY or ADD numbers in any order and you will get the same answer.
4+3=7, 3+4=7
What is another vocabulary term for Non-convex?
Concave
57x9= ??
513
100*____=300
3
What is a parallelogram with equal length sides?
Square
Fact Families
A group of numbers used to create math facts that use the same numbers.
7+3=10
3+7=10
10-7=3
10-3=7
I want to split 786 into two even groups
786/2=393
84x6=??
504
54/____=6
9
What is a triangle with an angle bigger than 180 degrees that has three sides of different length?
Obtuse Scalene Triangle
Zero Rule
Example: 5 x 200
5 x 200= 5x2= 10 +00= 1,000
Draw on your whiteboard shape that fits this description:
Draw a shape that belongs to the quadrilateral family, but is not a square, a rectangle, or a rhombus.
Trapezoid or a kite
773x4=??
3,092
8*___=56
7
What is a triangle with two sides of equal length and an angle of 90 degrees?
A Right Isosceles Triangle
Expanded Form
Writing a number out into an equation by its place value.
100+10+1=111
I am a polygon. I have more sides than a triangle but fewer sides than a pentagon. All my sides are equal in length, but I do not have right angles. Draw me!
A Rhombus