EngageNY
Sampling Variability and the Effect of Sample Size
The 19th installment in a 25-part series builds upon the sampling from the previous unit and takes a larger sample. Pupils compare the dot plots of sample means using two different sample sizes to find which one has the better variability.
Science Matters
Energy Transfer and Transformation
When you take a simple task and create an exceptionally difficult way to complete it, it is known as a Rube Goldberg machine. These machines are filled with many types of energy transfers and energy transformations. Here, pupils watch...
Illustrative Mathematics
A Bobbie Bear's Buttons
Young mathematicians help Bobbie Bear pick colored buttons out of a box as they learn how to decompose numbers less than 10 into pairs of smaller numbers. To support students with the process, consider creating a worksheet or graphic...
Curated OER
Convert A Larger Metric Unit To A Smaller One
In this metric conversion worksheet, learners solve 12 problems in which larger metric units are converted to smaller ones. Included are metric conversions of length and weight. No examples are provided.
Curated OER
Convert a Larger Metric Unit to a Smaller One
In this metric conversion worksheet, students convert a set of 12 given metric measurements to smaller measurements. A reference web site is given for additional activities.
Curated OER
Convert A Larger Metric Unit to a Smaller One
In this metric conversion worksheet, students solve 12 problems in which larger units are converted to smaller units. Included are conversions of weight, distance and capacity. There are no hints or examples.
Curated OER
Negotiate the mind field
In this fractions instructional activity, students lead their troops through the land mines by moving from smaller fractions to larger fractions along a grid. Students complete 21 steps.
Curated OER
Color Me Large or Small Worksheet
Before handing out this number-value worksheet make sure you explain all directions clearly, as they may throw some students for a loop! Using starting numbers in a table, they first shade in all boxes with numbers smaller than that...
Curated OER
Smaller and Larger
In this comparing sizes worksheet, students observe pairs of dinosaurs and identify the smaller one in each group. Students color 4 answers.
National Council of Teachers of Mathematics
The Roll Out Fractions Game: Comparing Fractions
Reinforce the concept of comparing fractions with a hands-on, two-player game that calls for a visual model, score board, and dice. Players roll dice to acquire their given fraction, create the fraction using fraction tiles, then compare...
American Chemical Society
Finding Volume: The Water Displacement Method
We have formulas for finding the volume of geometric shapes, but what if the shape is irregular? Lesson describes how to find volume through water displacement. After a demonstration, scholars practice in small groups. Then analysis...
Curated OER
Dilation
Tenth graders identidy and define various geometry terms, Students create exact replicas of a shape that is either smaller or larger than the original shape. Students prove that their entire shapes are larger or smaller in the same...
Curated OER
U.S. Customary and Metric Conversions
Students convert U.S. customary measurements into larger or smaller units with the help of conversion charts. They are explained that they are going to use conversion charts in problem solving situations. Pupils use a calculator to...
Curated OER
Comparing Fractions
Students investigate concepts of working with fractions. They compare different fractions and put them in chronological order. The quantities are compared as either being larger or smaller also.
Scholastic
Study Jams! Elapsed Time
Identify the larger number, place the smaller number on the bottom, and then subtract in order to determine elapsed time. Animated slides of each step are also narrated by a friendly voice to teach elementary math minds how to solve such...
Illustrative Mathematics
Animal Populations
Assume all you know is that the variable Q represents a value that is bigger than the value represented by the variable P. Which is larger P + Q or 2P? The problems in this activity get more complex than that example, and they do a good...
Curated OER
Mystery Jars
This is a twist on the old "guess how many jellybeans" game. Using estimation and math skills, learners participate in a fun "mystery jars" activity, trying to make educated guesses at how many objects are in two jars. The basic activity...
DK Publishing
Subtracting Big Numbers
Do your third graders get nervous when working with larger numbers? Help them get some practice subtracting big numbers in different contexts. After working through twenty-two straightforward problems, four of which include units of...
Curated OER
Investigating Square and Triangle Numbers
Fifth graders build increasingly larger squares and triangles using pattern blocks. They record the growth patterns on a chart and look for corresponding numerical patterns. Students describe the patterns they find and use them to...
Curated OER
Exponential Growth versus Linear Growth II
Your algebra learners discover that exponential functions, with a base larger than one, outgrow linear functions when the inputs increase sufficiently. Their analysis includes using a graphing calculator to produce tables.
Illustrative Mathematics
Make Your Own Puzzle
Puzzling over what geometry instructional activity to teach next? Look no further. This simple activity teaches young mathematicians how shapes can be decomposed into smaller figures, and how smaller figures can be assembled into larger...
National Nanotechnology Infrastructure Network
Small Scale Sculpting: Etch Lab
Make works of art using a vintage yet effective etching strategy. The surface of a semiconductor chip has specific patterns formed through a process called etching. Through a lab investigation, young scholars recreate that process on a...
Balanced Assessment
Marbles in a Glass
Allow learners to design their own strategies to solve a problem. Given dimensions of a glass and a smaller marble, scholars must find the dimensions of a larger marble. The answer key suggests using the Pythagorean Theorem, but multiple...
Do2Learn
Personal Care
Help class members maintain their personal hygiene with a collection of instructive picture cards. Each card includes an image of someone taking care of his or her body, including brushing their teeth, combing their hair, or washing...
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