Curated OER
Estimating Sums and Differences
For 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
Estimate Sums and Differences
For this word problem worksheet, 4th graders answer 6 word problems by writing mathematical sentences that show each answer. They work with distances and time.
University of Waterloo
Rounding and Estimating 1: Introduction
Pupils practice mental math skills in math drills. They play the online interactive game "Rounding Off" to practice rounding off different numbers. Afterward, they complete a paper based follow up exercise for reinforcement.
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 in...
EngageNY
Grade 5 Math Module 1: End-of-Module Assessment
The last installment of the 18-part Grade 5 Math Module 1 is an end-of-module assessment. Scholars answer questions that require explaining the connection between powers of 10 and place value, rewriting decimals in different forms,...
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.
TRAIN Educational & Community Services
Multicultural Activities
From catching stars developed by African pygmy tribes to chop stix pick-up or the Hanukkah dreidel, use this list of diverse multicultural activities to help your learners draw connections to unique cultures of the world.
Mathematics Vision Project
Probability
Probability, especially conditional probability, can be a slippery concept for young statisticians. Statements that seem self-evident on the surface often require a daunting amount of calculations to explicate, or turn out to be not so...
Curated OER
Fourth Grade Mathematics Quiz
For this math worksheet, 4th graders complete multiple choice questions about multiplication, bar graphs, rounding, and more. Students complete 15 questions.
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.
Curated OER
Decimals and Percents
In this decimals and percents activity, 8th graders solve 26 different types of problems that include expressing numbers as a decimal and a percent. Then they change each number to fractions and determine the unknown number for each...
BW Walch
Creating Linear Inequalities in One Variable
Just when a young mathematician starts to feel comfortable turning word problems into linear equations, shake things up and throw inequalities in the mix. This excellent, instructive presentation takes the steps for solving an equality...
Curated OER
Measures Combined
Use this resource to teach perimeter of regular plane shapes, measurement, rounding, and systematic problem solving skills. There are 78 complete slides and two game suggestions intended to facilitate content understanding.
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
Pupils participate in an online computation game. In this computation lesson plan, students practice simple computations and use an internet site to review addition and subtraction facts.
Curated OER
Estimation
Ten word problems provide practice in estimating. This learning exercise is intended to accompany a specific text and lesson; however, it is useful without those resources.
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...
Curated OER
Sea Ice: Cracking the Egg Code
Students study the egg code to learn about sea ice. For this sea ice lesson, students discuss and view a diagram to learn about the egg code when describing sea ice and its thickness. Students work in groups to play a game using the egg...
Curated OER
Pythagorean Theorem
Students 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
Escape The Hangman
Seventh graders investigate the concept of probability. They use the game of hangman to create engagement and context for conducting the lesson. They create a spreadsheet with data that is given. Students make predictions based on data.
Curated OER
Decimals: Collaborative Lesson
Students explore mathematics by participating in a group activity. In this number value lesson plan, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate...
EngageNY
The Difference Between Theoretical Probabilities and Estimated Probabilities
Flip a coin to determine whether the probability of heads is one-half. Pupils use simulated data to find the experimental probability of flipping a coin. Participants compare the long run relative frequency with the known theoretical...
Curated OER
Operations with Fractions and Decimals
Complete a lesson that introduces and explores operations with fractions and decimals. Pupils estimate the reasonableness of a decimal computation. Then discuss what operation is needed to find an answer. Handouts, web sources, and other...