Curated OER
Estimate Differences
In this estimation worksheet, students solve a total of 6 word problems that involve rounding to a given place value and estimating.
Curated OER
Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping
Students explore adding 2-digit numbers. For this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
University of Georgia
Endothermic and Exothermic Reactions
Equip your chemistry class with the tools to properly understand endothermic and exothermic reactions. Young chemists collect, analyze, and graph data to determine how the Law of Conservation of Matter is applied to chemical...
Curated OER
Wild and Wetlands
Upper graders identify the major characteristics of a wetland. They explore the human factors that change a wetland and write a descriptive paragraph about wetlands. This comprehensive lesson also has an interactive "Watershed Game"...
Curated OER
Fractions and Decimal Equivalents: Fifth Grade
Sometimes a skeleton is all you get. This lesson plan outline provides teachers with a basic lesson plan flow. Pupils will pre-test, order place value names, use manipulatives, and build and compare numbers. How this is to be done is not...
Noyce Foundation
Sewing
Sew up your unit on operations with decimals using this assessment task. Young mathematicians use given rules to determine the amount of fabric they need to sew a pair of pants. They must also fill in a partially complete bill for...
California Education Partners
Animals of Rhomaar
Investigate the growth rates of alien animals. Pupils study fictional animals from another planet to determine how much they grow per year. The investigators plot the growth of their animals over a period of time and then compare...
Charleston School District
Solving Systems Graphically
When guess and check gets old, it's time to start graphing! An instructive lesson explains how to solve a system of linear equations using graphing. Equations are in both slope-intercepts and standard form.
Yummy Math
US Holiday Candy Sales
Candy is a big business! Calculate the amount of money consumers spent on major holidays—Easter, Halloween, Christmas, Hanukkah, and Valentine's Day—based on the total amount of candy sales from 2011 and the percentage of each holiday's...
Curated OER
Estimating Sums and Differences
In this math worksheet, students learn to estimate sums and differences by completing step by step exercises. There is one word problem which is the example, and then students can choose from other estimation activities to do with a...
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
Population: Logistically Speaking
In this population worksheet, students read word problems relating to population growth. They write the problem as a differential equation, create models and graphs of the solution. This three-page worksheet contains 10 multi-step...
Curated OER
The Meaning of Fractions
In this fractions worksheet, students complete different kinds of fraction problems. Students complete 50 problems total where they solve, shade, and put numbers into a chart.
Helping with Math
#6: Addition and Subtraction Equations (2 of 2)
This printable contains 12 basic equations to be solved. The first one is worked out as an example, and the answers for all can be found by clicking on a "Show Answers" box found on the website. The publisher has identified this as...
Curated OER
Handshakin'
Students investigate the concept of solving problems when given it in words and employing a wide variety of methods. They practice applying a logical sequence to find the solution to a problem while estimating possible answers to help in...
University of Georgia
Stoichiometry of S'mores
How fun would it be to teach the concept of stoichiometry while allowing your chemistry class to assemble a classic campfire treat? This fun and engaging activity allows pupils to explore the principles of the chemical theory while...
National Security Agency
Ordering, Adding and Subtracting Integers
Prealgebrarians use colored chips, stickers, and pencils to explore the world of integers. They discover absolute value, compare positive and negative integers, and apply operations to them. A detailed procedure for the three-part...
Curated OER
Estimating Volumes Of Household Containers
Students engage in a the estimation of volume for household containers and focus upon the usage of the metric system. They practice identifying the shapes that seem familiar and match shapes with quantities. Students interact with others...
Curated OER
Mystery Stars: Estimating Whole Numbers Using Fractions Shown on Sectors of a Circle
In this set of fraction worksheets, young scholars cut out 6 pages of circles that show fractions with stars covering different sections of circles. They show one section of the circle in order to estimate the whole number of stars by...
Curated OER
Problem Solving
Eighth graders complete Calculator Explorations, Problem -solving, and the Discussion topic as outlined in the worksheet from Lola May's Teaching Math - Extending the meaning of multiplication and division.
Curated OER
Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences instructional activity, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Curated OER
Estimating Prices
Students practice making reasonable estimates. In this consumer math, students round purchase prices of items to estimate the total cost. Students practice using metal computations to arrive at estimates.
Curated OER
All I Want For Christmas
Fourth graders create wish lists from catalogues and sales ads based on a given budget. They add, subtract, estimate, and budget their given amount of money so they don't go over budget.