Houghton Mifflin Harcourt
Unit 2 Math Vocabulary Cards (Grade 3)
A set of third grade math vocabulary cards include topics that range from addition properties to terms like estimate and fact family. Each sheet has two cards on it. The top half is the word printed in bold text, while the bottom is the...
CK-12 Foundation
Add and Subtract Decimals with Front-End Estimation: Wooden Beams
A six-question interactive tasks mathematicians to solve addition and subtraction problems using front-end estimation. Question types consist of multiple-choice and true or false. A set of wooden beams that can be measured using moveable...
Curated OER
Can You Guess
Learners develop useful strategies for mental calculation when estimating possible addition solutions. They mentally perform calculations involving addition and subtraction. Students state the estimated sum or difference between numbers.
Pedago Net
Acing Math
Deal me in! Elementary and middle school classes will love this selection of math games, all involving a deck of cards. From fractions to exponents to rounding up and down, the games cover such a variety of skills that your classroom...
Houghton Mifflin Harcourt
Unit 4 Math Vocabulary Cards (Grade 4)
Looking for a set of math vocabulary cards for fourth graders? A 14-page packet of vocabulary words includes topics related to multiplication, division, and factor types. Each sheet has two cards on it: the top half has the word in bold...
EngageNY
Fraction Multiplication and the Products of Decimals
Class members come up with a hypothesis on the number of decimal digits in the product of two decimals. Learners work in groups to complete several decimal multiplication problems. The results help groups develop a conjecture on the...
Curated OER
Explore: Finding Averages
In this mathematics worksheet, 6th graders find the mean of a given set of numbers. Then they find the sum of the items in the set. Students also check their work by multiplying the mean by the number of items in the set.
Curated OER
Estimating Revenues
In this economics worksheet, students write out a business plan that translates into an estimation of revenue made in the first three years.
Curated OER
Volume Calculation Exercise
Middle schoolers work with scientific notation and rounding as they determine volume. In this volume lesson, pupils attempt to calculate the volume of the planet Jupiter. They use rounding to two significant digits and scientific...
Curated OER
Vectors: How Much Force Can You Apply
This activity entails the viewing of two videos to get an overview of force and its application. The activity covers how vectors use force in real-world situations.
Curated OER
Money Matters
Third graders make fair trades and exchanges of their money in order to have practical experiences with the essential "rules" of our place value system. They create groupings of tens, hundreds, thousands using play money and place value...
Curated OER
Estimating With Decimals
In this math instructional activity, students complete 14 problems where they estimate money amounts and multiplication products using numbers with decimals. Examples are provided in this well-designed instructional activity.
Mathed Up!
Estimation
Reinforce estimation and the four operations—addition, subtraction, multiplication, and division—with eight page, 15 problem independent practice exercise.
EngageNY
Decimal Expansions of Fractions, Part 1
Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the size...
Curated OER
Decimals: Collaborative Lesson
Students explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate with...
Curated OER
Jelly Beans for Sale
Students connect literature (story Jelly Beans for Sale by Bruce McMillan) to math concepts. In these estimating and money lessons, students work with jelly beans, unifix cubes, pennies, nickels, dimes, and quarters, to estimate and make...
Curated OER
Estimate Differences
In this estimating differences worksheet, students estimate differences by rounding to the nearest hundred. Answers are included on page 2.
Curated OER
Worksheet 19
In this math worksheet, students try to fit a line to a set of data. Then they use the least squares method is based on minimizing the sum of the squares of the errors.
Curated OER
Reciprocal Learning-Decimal Review
Students use reciprocal learning to coach one another in review of their prior learning about decimals. In this peer reciprocal learning decimal review lesson, students participate in conversation, accountability, roles and...
Curated OER
Paper Airplane Activity
Ninth graders select and build one of five different paper airplane designs and test them for distance and for time aloft. Part of this activity is designed to explore NASA developed software, FoilSim, with respect to the lift of an...
Curated OER
The Christmas Shoppe: Money Activity
In this Christmas money activity learning exercise, students use a chart of Christmas Shoppe Sales to answer 4 questions involving estimating, calculating, finding mean and sales amounts.
Curated OER
Practice With Decimals
In this decimal worksheet, students solve decimal problems, estimating, balancing a checkbook, and finding the cost of a car using a given chart.
Curated OER
Mental Math
Young scholars participate in an online computation game. In this computation lesson, students practice simple computations and use an internet site to review addition and subtraction facts.
Pennsylvania Department of Education
Adding Common Fractions
Fourth graders estimate various measurements. In this lesson plan on measurement, 4th graders estimate the length and mass of multiple objects. Students discuss the difference between a guess and a reasonable estimate and discuss using...