Education & Development
Assessment in secondary mathematics
...write these numbers in order, smallest first: 0.7, 0.3 and 0.36 on mini-whiteboards. You will find that the three most common responses are: 0.3, 0.36, 0.7 (correct) 0.3, 0.7, 0.36 (student ignores decimal point) 0.36, 0.7, 0.3 (student may think that the largest number after the decimal point gives the smallest decimal). Students could well offer other answers, for a...