Free activities and interactives

HOTmaths is providing a variety of activities and interactives to share and support excellence in maths teaching and learning. Click the PDF links below to start the investigations and activities.

Also try out some of the products at HOTmaths via the links on the right.

Relative frequency investigation   –   NEW for 2008!

Investigation

How many marbles do you need to drop before you have enough data to determine theoretical probabilities?

Marble mania interactive

Below are more investigations offered prior to 2008.

Dot plot investigation

Investigation

How important is each piece of datum? Move the dots to explore the changing statistics.

Exploring dot plots interactive

Decimals investigations

	Investigation 1	Look for patterns in decimals using fractions with denominators of 9 and 99.	Fraction-to-decimal converter
	Investigation 2	Discover patterns in decimals using fractions with denominator of 6.
	Investigation 3	Explore whether there are more terminating or recurring decimals.

Perimeter and area investigation

Investigation

Does a larger area mean a longer perimeter in a rectangle?

Perimeter and area interactive

Kite investigations

	Investigation 1	Discover the properties of kites by cutting out, measuring and folding.	Exploring kites interactive
	Investigation 2	Drag vertices onscreen to create a variety of kites to explore properties of their sides, angles and diagonals.

HOTmaths is an affordable, world’s best practice program in online mathematics education, providing a complete early and middle secondary learning system for parents, teachers and students. It is an ideal vehicle for teachers to deliver sound maths education in the classroom, for parents to stay up to date with the latest maths tutoring technology and for students to enjoy learning what Galileo described as ‘the alphabet of the universe’.