Printables
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Houghton Mifflin Harcourt

Unit 2 Math Vocabulary Cards (Grade 5)

For Students 5th Standards
Twenty-eight flashcards make up a set designed to reinforce math vocabulary. Two styles of cards showcase either a bold-faced word or a corresponding definition card equipped with an example and labels. Terms include commutative property...
Printables
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Houghton Mifflin Harcourt

Unit 5 Math Vocabulary Cards (Grade 5)

For Students 5th Standards
Reinforce math vocabulary with a set of flashcards. Twenty-two cards offer either a bold-faced word card or a corresponding definition card equipped with an example and labels. Terms include factor, repeating decimal, unit fraction,...
Lesson Plan
Curated OER

Expert Estimators

For Teachers 3rd - 5th
A rich and well-designed instructional activity on estimation is here for you. The instructional activity utilizes a video; ITV Series: The Eddie Files 'Estimation: Going to the Dogs,' along with many websites. Several fantastic learning...
Printables
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Houghton Mifflin Harcourt

Unit 4 Math Vocabulary Cards (Grade 1)

For Students 1st Standards
Support math vocabulary using a set of 25 flashcards. The set consists of a variety of bold-faced word cards and corresponding labeled picture cards. Terms include even numbers, regrouping, skip counting, and more.
Interactive
CK-12 Foundation

Whole Number Exponents: Teddy Bear Box

For Students 3rd - 6th Standards
Five questions—multiple-choice, fill in the blank, and discussion—make up an interactive that challenges scholars to mail a teddy bear using the smallest box possible without squishing it. A box with movable sides allows mathematicians...
Lesson Plan
National Security Agency

Borrowing from Our Neighbors

For Teachers 2nd - 4th Standards
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.
Printables
Houghton Mifflin Harcourt

Unit 2 Math Vocabulary Cards (Grade 3)

For Teachers 3rd
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,...
Printables
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Houghton Mifflin Harcourt

Unit 1 Math Vocabulary Cards (Grade 4)

For Students 4th
Use a set of 12 math vocabulary cards intended for fourth grade mathematicians. The topics of the cards include mostly place value concepts. Each sheet contains two cards; one with the word printed in bold text, and the other with...
Printables
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Houghton Mifflin Harcourt

Unit 3 Math Vocabulary Cards (Grade 4)

For Students 4th
The five-page packet includes words particularly associated with multiplication. Each sheet has two cards on it; one with the word printed in bold text and another with the definition and example of the word
Printables
Houghton Mifflin Harcourt

Unit 4 Math Vocabulary Cards (Grade K)

For Students K
In need of a set of math vocabulary cards for beginning mathematicians? Use a resource that contains 15 vocabulary cards. The top half of each sheet has the word printed in bold text, while the bottom is a picture representing the...
Lesson Plan
Curated OER

Estimating Solutions

For Teachers 5th
Finding approximate solutions to word problems allows users to assess the reasonableness of their answers. In a well-paced lesson, the class rounds numbers to estimate the solutions. They explain their thinking and determine if the...
Lesson Plan
Curated OER

Telling Time to 5 Minutes

For Teachers 2nd
In this second grade lesson your class will practice telling time. The goal is to tell time to five minutes using an analog clock. Your young students count by 5 minute intervals and discuss elapsed time. 
Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 3

For Students 3rd Standards
Assess scholars' knowledge with a 22-page assessment that covers place value, patterns, probability, estimation, measurement, geometric figures; and their ability to add, subtract, multiply and divide proficiently. 
Lesson Plan
Curated OER

Lesson 3: Number Sense

For Teachers 6th - 10th
Learners solve word problems using number sense. They convert fractions to decimals and mixed numbers. Pupils determine if a given fraction is greater or less than another fraction, and order numbers on a number line.
Lesson Plan
Curated OER

Guesstimate? NO Estimate!

For Teachers K - 3rd
Students discover the advantage of estimation over simple guessing using number relationships. They also discover how useful a mathematical tool estimation is in everyday life.
Lesson Plan
Curated OER

Subtraction with Regrouping Lesson Plan

For Teachers 2nd - 4th
Learners explore regrouping while subtracting. In this subtraction lesson, pupils manipulate base 10 blocks to demonstrate regrouping. Multiple resources are provided.
Activity
District 158

Plan an Adventure

For Teachers 5th - 8th Standards
For kids, taking a vacation is all fun and games, but after completing this pre-algebra project, they'll have a whole new appreciation for the planning that makes these trips possible. Given a budget of $5,000 to spend on purchasing the...
Lesson Plan
Curated OER

Rounding

For Teachers 1st
First graders round to estimate greater sums. After a lecture/demo, 1st graders complete a web lesson on estimation. They practice rounding to the nearest hundred using a restaurant take-out menu.
Printables
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Houghton Mifflin Harcourt

Unit 4 Math Vocabulary Cards (Grade 4)

For Students 4th
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...
Printables
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Houghton Mifflin Harcourt

Unit 2 Math Vocabulary Cards (Grade 4)

For Students 4th
The 28-page resource contains cards with terms relating to multiplication from inverse operations to front-end estimation to array. Each sheet contains two cards; one with the word and one with the definition.
Printables
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Houghton Mifflin Harcourt

Unit 7 Math Vocabulary Cards (Grade 4)

For Students 4th
Looking for vocabulary cards to expand your mathematicians' academic language? A set of 19 vocabulary cards focuses on terms dealing with probability, fractions, and decimals. Each sheet has a word card and a definition card.
Worksheet
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Curated OER

Practice: Word Problems

For Students 5th - 7th Standards
Congratulations, you've just hit the word problem jackpot! Covering an incredible range of topics from integers and fractions, to percents, geometry, and much more, this collection of worksheets will keep young mathematicians...
Lesson Plan
Curated OER

Beanie Baby Bonanza

For Teachers 3rd
Third graders add and subtract decimals.  In this third grade mathematics lesson, 3rd graders are given an imaginary $100 to purchase five Beanie Babies.  Students determine which five they would like to purchase and estimate...
Lesson Plan
Curated OER

Deric's Blotto

For Teachers 9th - 10th
Students solve the handshake problem and investigate triangular numbers. In this geometry lesson, students investigate Blotto games as they apply concepts of triangles and geometric theorems.