Illustrative Mathematics
Grandfather Tang's Story
It's amazing the complex figures that can be made using only a few simple shapes. Following a class reading of the children's book Grandfather Tang's Story by Ann Tompert, young mathematicians use sets of tangrams to create models...
Rational Number Project
Rational Number Project: Initial Fraction Ideas
Deepen the fractional number sense of young learners with this introductory lesson on equivalent fractions. After completing a short warm-up activity, children go on to work in pairs using fraction circles to complete a table of...
MENSA Education & Research Foundation
Fabulous Fibonacci and His Nifty Numbers
Fibonacci numbers are not only found in the classroom but also in nature. Explore the concept of Fibonacci numbers through a series of lessons designed to gain insight into the mathematical reasoning behind the number pattern, and spark...
Alabama Learning Exchange
Triangle Congruence with Rigid Motion
Combine transformations and triangle congruence in a single activity. Scholars learn to view congruent triangles as a rigid transformation. Using triangle congruence criteria, learners identify congruent triangles and the rigid...
Illustrative Mathematics
All vs. Only Some
All shapes have certain defining attributes that set them apart from others. In order to understand this, young mathematicians look at examples and non-examples of triangles, rectangles, and squares, working as a whole class to create...
Education Development Center
Micro-Geography of the Number Line
Young mathematicians dive into the number line to discover decimals and how the numbers infinitely get smaller in between. They click the zoom button a few times and learn that the number line doesn't just stop at integers. Includes...
Curated OER
Time
Here, learners review telling time using an analog clock. They use a clock to tell time, make a paper clock, and discuss the concept of elapsed time. However, the instructional activity is not always easy to follow, nor are the questions...
Curated OER
Nothing But Problems
Here is a fabulous instructional activity on problem solving in the mathematical world. In it, third and fourth graders get lots of great coaching on how to approach word problems, and how to best find a solution. They watch an episode...
Curated OER
Math Investigations 2
Young mathematicians practice measuring and graphing skills while working in groups to measure objects found in the classroom. Using their measurements, they create one bar graph displaying the lengths and another displaying the widths.
Curated OER
What is the Importance of Developing Job Skills?
Financial literacy is the way to teach! The class works in small groups to discover the relationship between education and income level. They use their math and problem-solving skills to complete two different activities. They work out a...
Curated OER
Family Math Workshops
Students explore the math they are learning in the classroom with their families. In this math workshop lesson, participants learn about the types of mathematics being taught in the classroom. These workshops provide opportunities to...
Curated OER
Tick Around the Clock
Students examine and discuss the differences between clocks they are shown. Using the internet, they research how people used to tell time before clocks. They review what the long and short hand on the clock represent and practice...
Curated OER
Arts Impact and Math
Third graders incorporate math into dancing. In this algebra lesson, 3rd graders identify different shapes and patterns using dance movements. They relate the different creations to polygons as they incorporate the use of stretchy bands...
Curated OER
Math computation
The lesson says it is intended for 4th grade but it is suitable for grades 1-3 as well. The class discusses what it means to add, the commutative property of addition, and mathematical reasoning. This is an exercise in number sense,...
Curated OER
Pumpkin Time
In these two lessons, science learners participate in various activities involving pumpkins. They investigate and research the life cycle of a pumpkin. They observe pumpkin growth and decomposition. Finally, they estimate and measure...
Curated OER
Time Problem Cards
In this time problem worksheet, learners read story problems and determine the length of time described, or identify the time an activity should start for it to be completed at a given moment. Students must add or subtract hours and...
Curated OER
Telling the Time
Pupils practice telling time by completing the various activities. In this telling time instructional activity, students view a large clock and discuss the words 'to' and 'past' the hour. Pupils count in 5s using the clock and then set...
Curated OER
Figuring Elapsed Time
Students tell time. In this elapsed time lesson, students review how to tell time to five minutes. Students solve problems where they must determine the elapsed time.
Curated OER
Telling Time
Students identify numerals on a clock and put them in correct order. They identify the hour and minute hands on a clock. Students practice time skills by telling time by the hour using a standard clock.
Curated OER
Elapsed Time Two
Students study how to calculate elapsed time. In this elapsed time lesson, they determine how to calculate the ending time of an event when they are given the starting time and the elapsed time. They participate in direct instruction,...
Curated OER
How to Tell Time to the Hour
Students discover how to tell time. In this telling time lesson, students examine the parts of analog clocks and then use an activity page to make their own paper clocks. Students practice telling time to the hour using the clocks.
Curated OER
Basic Units of Time
Learners review fundamental concepts of time such as A.M. and P.M. and learn about elapsed time. In this Unit of Time lesson, students review the basics of how to tell time and then are given examples to figure out how much time has...
Curated OER
How to Calculate Time
Students complete a worksheet. In this calculations lesson, students learn factual information about computing time with clocks, calendars and eras. Students show their knowledge by completing a worksheet.