DD brought home a worksheet with pictures to measure. She had to round to the nearest inch, half-inch, and quarter-inch.

The first object was exactly 2 3/4 inches long. She rounded up to three for the nearest inch, up to three for the nearest half-inch, and wrote 2 3/4 for the nearest quarter-inch.

She got the half-inch part wrong. Apparently she should have rounded down to 2 1/2 inches, as the sheet meant HALF inch literally. Full inches don't count. If it had been exactly 3 inches, she should have presumably rounded to either 2 1/2 or 3 1/2 inches. (???)