This problem reinforces the telling of time on a digital clock, and it requires students to work systematically. The number of 'times' the digit 5 appears in a 24-hour period is a matter of a solver's assumptions. Ideas for implementation, extension and support are included along with a printable poster. A link to an interactive Class Clock (cataloged separately) is provided.

This short video and interactive assessment activity is designed to give fifth graders an overview of 24-hour clocks.

In this lesson, students will obtain information on the process of evaporation and communicate their understanding of the effect this process has on the Great Salt Lake.

This short video and interactive assessment activity is designed to teach fifth graders about converting integer and fraction sums into decimals.

This short video and interactive assessment activity is designed to give fifth graders an overview of measuring capacity (metric units).

This short video and interactive assessment activity is designed to give fifth graders an overview of addition and subtraction in kilograms and grams.

This short video and interactive assessment activity is designed to give fifth graders an overview of addition and subtraction of weights (metric units).

This short video and interactive assessment activity is designed to teach fifth graders about subtracting decimals - word problems.

This short video and interactive assessment activity is designed to teach fifth graders about adding and subtracting money with pictures in columns.

This short video and interactive assessment activity is designed to teach fifth graders about adding and subtracting money using words.

This short video and interactive assessment activity is designed to teach fifth graders about adding and subtracting fractions with different denominators.

This short video and interactive assessment activity is designed to teach fifth graders about adding fractions with different denominators.

This short video and interactive assessment activity is designed to teach fifth graders about adding mixed numbers with common denominators.

This short video and interactive assessment activity is designed to teach fifth graders about adding, subtracting, multiplying and dividing.

This short video and interactive assessment activity is designed to teach fifth graders about adding, subtracting, multiplying, and dividing with parentheses.

This short video and interactive assessment activity is designed to teach fifth graders about adding, subtracting, and multiplying.

This short video and interactive assessment activity is designed to teach fifth graders about adding and subtracting.

This short video and interactive assessment activity is designed to teach fifth graders about adding and subtracting with parentheses.

This short video and interactive assessment activity is designed to teach fifth graders about addition in kilograms.

This short video and interactive assessment activity is designed to teach fifth graders about addition of compound unit capacities - word problems.