3D Pens/Printing
Lesson on 3D Trigonometry with 3D Printing Pens
A series of lessons were designed to help Secondary 3-4 students visualize the angles formed (i) between lines, (ii) between a line and a plane, and (iii) between planes, which were found to be difficult to learn among secondary mathematics learners. These lessons incorporated both 3D printed models by a 3D printer, as well as … Continue reading Lesson on 3D Trigonometry with 3D Printing Pens
Lesson on Properties of Prisms and Pyramids with 3D Printing Pens
The two lessons described here were of Primary 5 and 6 levels, where the first lesson focused on the properties (shape and number of faces, including lateral faces and bases) of different forms of prisms, and the second lesson focused on those of the pyramids. Students spent most of class time using 3D Printing Pens to … Continue reading Lesson on Properties of Prisms and Pyramids with 3D Printing Pens
Lesson on Euler Formula with 3D Printing Pens
Active learning, hands-on Making, inductive reasoning, and making generalisation about the Euler Formula (V+F-E=2) using the 3D Printing Pens (see figures below)
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Problem-based Digital Making
Bank Deposit Computer
Problem-based Digital Making Tasks Make a device that would display a student’s piggy bank balance after each deposit. Compare two offers: The first offer is that the teacher gives her $3 today and $222 everyday thereafter. The second offer is to give her $3 today; then each subsequent weekend (Saturday and Sunday), he gives her double … Continue reading Bank Deposit Computer
Prime and Composite Number Detector
Problem-based Digital Making Tasks Is 7081 a prime or composite number? Make a prime or composite detector. How CT may Support Mathematics Learning The use of conditionals and Boolean operators will come into play when checking whether a number is prime or composite. In particular, students will need to loop a function to check the divisibility of … Continue reading Prime and Composite Number Detector
Fibonacci Sequence Machine
Problem-based Digital Making Tasks To generate terms of Fibonacci Sequence and observe its parity. How CT may Support Mathematics Learning Recursive repetition will support the generation of terms in the Fibonacci Sequence. Problem solving will be encountered with the first two entries of the Fibonacci Sequence being 1 and 1. Naming of two variables will … Continue reading Fibonacci Sequence Machine
