Computation (1)
Add carefully! 125 + 37 = ?
162
Add and simplify: 1/5 and 4/5
1
A closed figure made up of line segments.
Polygons
A plane figure in which all points are at the same distance from the center.
Circle
Subtract: 400 - 189 = ?
211
Reduce the fraction 9/15 to its simplest form.
3/5
A kind of polygon that has equal sides and equal measure of the angles.
Regular Polygon
A segment that extends from the center of the circle to any point of the circle.
Radius
Find the product of 34 and 12.
408
Multiply: 1/2 and 1/8
1/16
It has 9 sides.
Nonagon
How many sides does a quadrilateral have?
4
Multiply: 52 x 39
2,028
1/3 + 1/2
5/6
A polygon with 6 sides.
Hexagon
Give at least 2 polygons that have 4 sides.
Square / Parallelogram / Rectangle / Rhombus / Trapezoid
Divide: 168 รท 12
14
4/5 divided by 2/3
12/10 or 6/5 or 1 1/5
A kind of polygon that has an angle greater than 180 degrees.
Concave polygons
How many sides does a heptagon have?
7
Another term for equivalent ratios.
Proportion