Computer Science Unplugged
Lightest and Heaviest—Sorting Algorithms
How do computers sort data lists? Using eight unknown weights and a balance scale, groups determine the order of the weights from lightest to heaviest. A second worksheet provides the groups with other methods to order the weights. The...
California Education Partners
Four Square Wars
Obviously, four is the perfect number when you're playing Four Square. Scholars first use multiplication and division to solve a set of problems on the number of balls needed, the number of games, and the number of players required for a...
California Education Partners
Theater Field Trip
Here's an assessment task that's better than watching a show. Young mathematicians solve word problems involving multiplication and division with equal groups. They must find the total number of attendees on a trip to a theater based on...
California Education Partners
Tile Mural
Paste this resource into your lesson plans like you'd paste a tile onto a mural. Given a diagram of a tile mural with rectilinear figures, future artists determine the perimeters and areas of the figures. They must then develop their own...
California Education Partners
Window Washers
Aim high with a task on window washers. An assessment task challenges learners to determine the number of windows two people wash. They do this using a given number of window rows on each side of a building. In addition, they find the...
Curated OER
Calculating Elapsed Time
Young scholars calculate elapsed time in a series of activities. In this calculating time lesson, students view a Cyberchase video that demonstrates how to calculate elapsed time. Activities include counting, subtracting and regrouping...
Curated OER
Elapsed Time and Scheduling
Learners improve their time management by watching a video segment of a busy student making a schedule. In this elapsed time and scheduling lesson, students create their own schedules and learn to calculate elapsed time in both digital...
Curated OER
Estimating Distance and Time
Students analyze a Cyberchase video to help them understand how to estimate the time it takes to travel distances. In this time instructional activity, students use ratiosand repeated addition to calculate how much air the characters in...
Curated OER
Find the Temperature
In this temperature gauge worksheet, learners examine 4 temperature gauges and record the temperatures shown on each of them.
Curated OER
Find the Temperature 2
In this temperature gauge worksheet, students examine 4 temperature gauges and record the temperatures shown on each of them.
Curated OER
Estimation
Young scholars estimate time and amounts when counting is not realistic or feasible. In this estimation lesson, students estimate time or amounts. This lesson includes two video clips on estimation and a worksheet for independent practice.
Curated OER
Metric Measurement
For this length worksheet, students choose the answer that is the closest to the actual length of the object. Students complete 2 problems.
Pennsylvania Department of Education
Multiplication Using Arrays
Explore the concept of multiplication by using arrays. Classmates use arrays to gain a better understanding of multiplication. They break arrays apart to model the distributive property of multiplication over addition. The relationship...
Curated OER
ExplorA-Pond: 4th Grade Perimeter Estimation
Your geometers are used to finding the perimeter of a square or rectangle, so give them something different this time! With this lesson, small groups will receive a picture of a shoreline and calculate the perimeter. The website listed...
Curated OER
Area
Third graders find areas of rectangles by using square units, apply knowledge to real-life situations, and simplify method of counting square units by multiplying the length times the width.
Curated OER
Factors
Practice factoring numbers by using graph paper, manipulatives and computer applets.
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
Explore the Mathematics of the Explorers
Columbus and other explorers relied upon mathematical calculations using the Earth, stars, and ships speeds.
Curated OER
Megabeasts
Create larger-than-life insects for the classroom. Bugs are usually pretty small, but during the Jurassic period they were huge. Kids use diagramming and scale conversion to enlarge a modern day insect so that it is as big as its ancient...
Curated OER
Minnesota-China Connections:What Time Is It?
Students calculate the time difference between Beijing, China and their local community. They discuss how time difference affects intercultural communication.
Curated OER
Pumpkin Problems
Students participate in a lesson that has the intention of working on estimation skills. They use pumpkins to estimate the number of seeds are inside. They collect data for each pumpkin and compare it to the estimation. Students question...
Curated OER
Money in Action
Students become familiar with the various coins in our money system as well as amount of each coin. They help develop their ability to count change and find different ways to show equal amounts.
Curated OER
Triangles
This unit enables scholars to apply the rule for area of a triangle (area equals half base times height). They practice multiplication and division strategies as they calculate areas.
Curated OER
A Look At Rocks
Students write letters to organizations, such as United States Geological Society, to find out more about rocks. Students write about a pretend time they found a magic pebble. Students calculate distances to travel to see various...
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