Curated OER
Capture/Recapture
Students use proportions to estimate the size of populations. They describe the data with using a graph or table of the estimate. Students use descriptive statistics to calculate mean, median, and mode. They also compare and contrast an...
Census at School
Just How Old Are You?
Do you know how old you are in seconds, minutes, days, weeks, or months? This intriguing question is presented as a way for learners to estimate in units of time. They'll build a better sense of what each increment of time is as they...
Curated OER
Estimation Station
Students use this hands-on math center to explore estimation and counting by tens with Goldfish.
Curated OER
Counting 1-8
In this counting worksheet, students count pictures of goldfish, then color 1 yellow and 2 red. A web site reference for additional activities is given.
Curated OER
Fishy Frequencies
Tenth graders demonstrate that natural selection is an agent of evolution. They quantitatively apply the Hardy-Weinberg Principle to an imaginary population of fish. They utilize math and graphing skills, collecting and analyzing data,...
Curated OER
Add Using a Hundred Chart
In this adding practice instructional activity, students sharpen their problem solving skills as they solve 6 story problems using a hundred chart.
Curated OER
Use Formulas for Perimeter
In this perimeter formula activity, students solve a set of 6 word problems related to the perimeter of various shapes, then tell how they arrive at the answer.
Curated OER
Addition and Subtraction Word Problems
In this problem solving worksheet, 2nd graders use addition and subtraction to solve 2 word problems about fish. They show their work and answer in the word space next to the problem.
Curated OER
Compare Numbers to 200
In this number comparison activity, 2nd graders compare two and three digit numbers to 200 in 6 word problems. They compare up to four numbers in each problem.
Curated OER
Rates and Ratios
In this rates and ratio worksheet, students determine the ratio for a given situation. They use proportions to solve problems. This two-page worksheet contains 4 multi-step problems. Answers are provided on the last page.
Curated OER
Markup, Discount, and Tax (Harder)
In this algebra worksheet, learners calculate prices with taxes and percents attached. They figure the finals price for each problem after they correctly compute the taxes and percent. There are 16 problems on this worksheet.
Curated OER
Something Fishy (Statistics)
Students are introduced to a problem involving an environmental issue. They are introduced to the capture-recapture method which involves capturing fish, tagging them, returning them and recapturing another sample. Pupils work in...
Curated OER
CATCH, TAG and RELEASE
Students apply estimation strategies for problem-solving purposes. They become familiar with one aspect of a marine biologist's work.
Curated OER
Healthy Snacks. Healthy Packaging
Fourth graders research how to select the most cost-effective snacks. In this consumer practices lesson, 4th graders compare packaging labels and come to conclusions on how cost effective the product is. Students discuss their findings.
Curated OER
Seven Rates and Ratio Problems Using Tables
For this rates and ratios worksheet, students complete tables given rates. This worksheet contains seven multi-part problems where students discover the steps to ratio problems.
Curated OER
Wildlife Sampling
Seventh graders discuss water issues and its affect on salmon population. They recreate a sampling river with fish (cheddar) and scoop them to tag them (which means they exchange them for pretzel fish.) They complete a spreadsheet to...
Curated OER
Measuring Mass
Third graders engage in a instructional activity that is concerned with the estimate and approximation of different masses. They weigh different objects and compare the different measurements and then use a balance to compare them....
Curated OER
How Close Can You Get? Estimating
Students work collaboratively to determine how many crackers are in a large container. They then view a video to see how often people use estimation in their jobs, and another video to watch students work on figuring out appropriate...
Curated OER
Model Penguin Project
Students research and build model penguins. In this penguin lesson, students examine the anatomy of penguins by creating models and completing coloring pages.
Curated OER
Pets are for Life
Students research the life spans of several animals and create bar graphs comparing this data. Students, as a class, discuss the long term commitment of owning a pet. Students imagine how their lives would be different if they had a pet...
Curated OER
Formula Challenge
In this science worksheet, students name what each of the units listed represent whether it is distance, time, speed, or acceleration. Then they solve each of the word problems that follow, showing all of their work.
Curated OER
Estimation 2: Sum and Difference
In this estimation worksheet, students mentally solve eight multiple choice problems involving addition and subtraction. They arrive at their answers through the process of using compatible numbers or rounding. Students read story...
Curated OER
Markup, Discount and Tax
In this selling price worksheet, 6th graders solve and complete 24 different types of problems. First, they find the selling price for each item described. Then, students determine the discount rate using the original price and...
Curated OER
Understanding 1/3
In this understanding fractions worksheet, students read about fractions and respond to 16 multi-step, word problem, and fill in the blank questions.