Percents
Percent worksheet: discounts, sales tax and tips
20% of 150, discounts, sales tax and tips, the price before tax and percent change, with percent bars.
Printable worksheets
Practice worksheets ready to print and use in class or as homework. Each one has two student pages, with leveled problems and a way to self-check, and a teacher page with the answer key and the most common mistakes.
They are free to use in the classroom (CC BY 4.0 license), print well in black and white and come in US Letter size.
Geometry
Circle worksheet: radius, diameter, circumference and area
Radius and diameter, circumference and area with π, and working backward with wheels, pizzas and gardens.
Geometry
Area of a triangle worksheet
Triangles with the height outside or rotated, word problems with units, and finding the base or the height.
Electricity
Ohm's law and power worksheet: electricity at home and in the car
Circuits with V, I and R, real appliance labels (12 V 55 W) and power and energy cost problems.