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Curated OER
Estimating and Counting Money
Students explore the concepts of estimating and rounding. In this estimating and rounding activity, students play a game of tic-tac-toe. Students pick items and must estimate their cost by rounding. Students estimate the costs of pretend...
Curated OER
K-5 Mathematics Module: Number and Number Sense
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency...
Curated OER
Reasonable Estimates
Help pupils explore estimation. They will make estimates and discuss when you might use an estimate. Then they discuss if their estimates are reasonable.
Perkins School for the Blind
The Price is Right
Go on a shopping trip to practice estimation, price value, and shopping skills. The class heads off to the market to purchase several items for the activity. While they are there, they discuss the cost of various foods and even...
Curated OER
Mental Math
Students participate in an online computation game. In this computation instructional activity, students practice simple computations and use an internet site to review addition and subtraction facts.
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,...
Curated OER
Pythagorean Theorem
Pupils solve problems using the Pythagorean Theorem. In this geometry lesson, students identify the sides and angles of a right triangle. They find the different trigonometric ratios and solve using sine, cosine and tangent.
Curated OER
Decimals: Collaborative Lesson
Students explore mathematics by participating in a group activity. In this number value instructional activity, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students...
Curated OER
Dinosaur Math
Students read How to Train with a T.Rex and Win 8 Gold Medals and solve math problems. In this dinosaur math lesson, students write a math story to go with the dinosaur story. Students discuss the needed strategies. Students...
Curated OER
Buying a Car
Learners complete the PLATO ¿¿ Educational Software lesson: Math Problem Solving: Car Costs to determine if he/she can afford to drive the car they are planning to buy.