Lines and Angles
An angle that measures less than 90 degrees.
Acute
How many degrees is a right angle?
90
Write this equation in words:
7 x 3 = 21
Seven times three equals twenty one.
What is the name for the answer to a division problem?
The quotient
An angle that measures more than 90 degrees.
Obtuse
The name for the length of the outside edge of a shape.
Perimiter
What is the name of the answer to a multiplication problem?
The product.
Which part of this equation is the divisor?
12÷2=6
2
Any two lines that cross
Intersecting
The name for all the space inside a shape. It is measured in square units.
Area
You multiply two or more of these to get a product.
Factors
Which part of this equation is the dividend?
15÷3=5
15
Two lines that meet to make a right angle.
Perpendicular
The name for any shape with four sides.
Quadrilateral
What is the name of this method of solving a multiplication problem?
Box method
Write this as an equation:
How many times does 7 go into 49?
49÷7=
Two lines that will never touch.
Parallel
If you can draw a line through a shape, and one side of that line is a mirror image of the other, that shape is ________.
What is the name of this way of solving a multiplication problem?
Traditional algorithm
What do you call the amount that is left over or can't be put into groups because the groups will not be equal?
The remainder