A puzzle for Upper Primary to Middle Secondary students. Easily understood yet deceptively complex. The learning is in the analysis. The explanation makes use of coding to explore the possibilities.

Junior Secondary Measurement. This is the second in a series of three: M1 Measuring Length, Perimeter (incl. Pythagoras), Circumference; M2 Measuring Area and Surface Area; M3 Measuring Volume and Capacity.

Junior Secondary Measurement. This is the third in a series of three: M1 Measuring Length, Perimeter (incl. Pythagoras), Circumference; M2 Measuring Area and Surface Area; M3 Measuring Volume and Capacity.

Junior Secondary Mathematics and Coding. Borrowing from Pólya, not only have we to use coding to learn mathematics, but use mathematics to learn to code.

Junior Secondary Fundamental Number Skills. This is the first in a series of four: FNS1 Fundamental Number Skills Fractions; FNS2 Fundamental Number Skills Decimals; FNS3 Fundamental Number Skills Percentages; FNS4 Fundamental Number Skills Ratio and Rate.

Junior Secondary Fundamental Number Skills. This is the second in a series of four: FNS1 Fundamental Number Skills Fractions; FNS2 Fundamental Number Skills Decimals; FNS3 Fundamental Number Skills Percentages; FNS4 Fundamental Number Skills Ratio and Rate.

Junior Secondary Measurement. This is the first in a series of three: M1 Measuring Length, Perimeter (incl. Pythagoras), Circumference; M2 Measuring Area and Surface Area; M3 Measuring Volume and Capacity.

Junior Secondary Fundamental Number Skills. This is the third in a series of four: FNS1 Fundamental Number Skills Fractions; FNS2 Fundamental Number Skills Decimals; FNS3 Fundamental Number Skills Percentages; FNS4 Fundamental Number Skills Ratio and Rate.

Junior Secondary Fundamental Number Skills. This is the fourth in a series of four: FNS1 Fundamental Number Skills Fractions; FNS2 Fundamental Number Skills Decimals; FNS3 Fundamental Number Skills Percentages; FNS4 Fundamental Number Skills Ratio and Rate.