Draw their attention to the numbers involved. In addition to providing opportunities for measurement, reading recipes also provides opportunities to work on reading comprehension and sequencing skills. Guessing games and hypothesizing activities can be fun. Estimate how long the driveway is - get out the yardstick and measure it. Guess, then verify with readings from the thermometer.
Time seems endless for a child on summer vacation.
Look carefully at clocks, both analog and digital. Discuss how long a soccer game lasts. Use time related vocabulary - today, yesterday, tomorrow, before, after, annual, and so on. If not, just empty your pockets and count the change together. Look at grocery store fliers.