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Worksheet
Curated OER

Recognizing Exact Numbers or Estimates

For Students 4th - 6th
In this estimation activity, students read a word problem about the Lincoln Memorial and then answer 4 fill in the blank questions where they decide whether they need to use an exact number or an estimate to answer each question.
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Lesson Plan
Illustrative Mathematics

Ordering Numbers

For Teachers K - 2nd Standards
Deepen the number sense of young mathematicians with this unique ordering exercise. Given a list of the numbers 1, 5, 10, 50, and 100, young learners must determine where the numbers from a second list fit in the sequence. To increase...
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Worksheet
Curated OER

Estimating Whole Numbers

For Students 4th - 6th
Learners solve problems by rounding two to five-digit numbers to the nearest greatest place number. They complete 12 problems.
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Worksheet
Curated OER

The Irrational Numbers

For Students 9th - 11th
In this algebra worksheet, students solve rational numbers using addition, subtraction and multiplication. They identify the rules of solving rational and irrational numbers. There are 50 questions on 6 pages.
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Lesson Plan
Curated OER

Prime Numbers and Factors

For Teachers 5th - 7th
Solving factor trees is a helpful way to introduce prime numbers. Your math class practices using this method along with two-column tables to find if a number is prime or not. They also learn other vocabulary, such as composite numbers,...
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Lesson Plan
Curated OER

Study Buddies: Multiplying by Two-Digit Numbers

For Teachers 2nd - 4th
Learners solve a multiplication problem in which they must multiply two 2-digit numbers with the help of a "Coach". Pupils follow a step-by step process and notes are provided for the coach.
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Lesson Plan
Illustrative Mathematics

Plastic Building Blocks

For Teachers 3rd - 5th Standards
Let's build a castle! Dennis and Cody have big plans, but do they have enough blocks between the two of them to accomplish their goal? A great context that requires students to add and compare mixed numbers. Encourage the use of pictures...
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Printables
Chapman University

Exact Values Poster

For Teachers 6th - 12th Standards
Go to infinity and beyond and see what a repeating decimal actually looks like as it goes on and on and on and on. The poster uses rational numbers, imperfect squares, and the always popular π.
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Unit Plan
EngageNY

Complex Numbers and Transformations

For Teachers 11th - 12th Standards
Your learners combine their knowledge of real and imaginary numbers and matrices in an activity containing thirty lessons, two assessments (mid-module and end module), and their corresponding rubrics. Centered on complex numbers and...
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Handout
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West Contra Costa Unified School District

Multiplying Numbers

For Students 3rd - 6th Standards
Provide families with the guidance needed to support their child's proficiency in multiplying numbers. Three pages offer detailed descriptions and labeled examples.  
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Lesson Plan
Curated OER

Whole Numbers

For Teachers 6th - 8th
Student are assigned one of the sections on whole numbers. After reviewing the content, they teach their assigned sections to other class mates. They publish their findings on a PowerPoint slide show to use when they teach their section.
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Lesson Plan
Silver Burdett Ginn

Study Buddies: Multiplying Whole Numbers And Fractions

For Teachers 6th - 8th Standards
Budding math buddies work together to multiply fractions by whole numbers. All of the problems involve real-life applications, making this an extension of simply practicing the skills. Knowledge will be multiplied by completing this...
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Worksheet
Curated OER

Problem Solving: Estimate or Exact?

For Students 5th
For this number sense worksheet, 5th graders solve 6 word problems and explain why the answer makes sense. They use either estimated numbers or exact numbers as they solve the problems.
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Worksheet
Curated OER

Match Pictures to Numbers

For Students K - 2nd
Although the directions for the worksheet aren't exactly explicit, the idea is simple. Learners examine three columns of information and match them to corresponding forms of numbers. The first column contains five numbers, the second has...
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Worksheet
Curated OER

Money

For Students 1st - 2nd
Which coins do you need? Scholars are faced with a challenge: using only three coins they must find the exact amount needed for six items. The coins are standard US currency and are pictured at the top, however their value is not listed....
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Lesson Plan
Illustrative Mathematics

Gotham City Taxis

For Teachers 6th - 8th Standards
Taxi! Have your travelers figure out how far they can go in a taxi for $10.00. They must account for the mileage rate and tip in their calculation. They can set up a table or make an equation to solve for the exact mileage they can...
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Lesson Plan
Curated OER

Sharing Brownies: Fractions That Represent a Fair Share

For Teachers 3rd - 4th
Elementary graders discover the concept of fractional pieces of a whole. They investigate the meanings of fractions in everyday life and why they are used. Pupils divide brownies amongst each other to demonstrate the use of fractions...
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Lesson Plan
Illustrative Mathematics

Bookstore Account

For Teachers 6th - 8th Standards
We use debt often to describe negative numbers and your learners will be able to see how it translates into math. They will be asked to go through a series of transactions and make simple equations for each one, following it with a...
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Worksheet
Curated OER

Christmas Trivia Numbers Pairwork

For Students 8th - 11th
In this grammar activity, students, working with a partner, choose one of thirty-four sentences associated with Christmas and numbers and turn it into a question to ask their partner and see if they can guess the number correctly.
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Worksheet
Curated OER

Problem Solving: Estimated or Exact Amounts

For Students 4th - 5th
In this problem solving worksheet, students read and solve 6 story problems. Students explain why estimates or exact answers were used.
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Lesson Plan
Curated OER

Study Buddies: Dividing by Two-Digit Numbers/One-Digit Quotients

For Teachers 3rd - 4th
In this math worksheet, young scholars will work with a coach to solve a two-digit division problem. Students will follow a step-by-step process and notes are provided for the coach.
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Lesson Plan
Curated OER

Rounding Numbers

For Teachers 5th - 6th
In this rounding numbers worksheet, students, with a partner, problem solve and calculate the answers to eighteen mathematical exercises.
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Lesson Plan
EngageNY

Linear Transformations Review

For Teachers 11th - 12th Standards
Time for matrices and complex numbers to come together. Individuals use matrices to add and multiply complex numbers by a scalar. The instructional activity makes a strong connection between the operations and graphical transformations.
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Lesson Plan
Illustrative Mathematics

Mile High

For Teachers 5th - 7th Standards
What is the meaning of sea level? This resource helps your class understand the meaning of elevations above, below, and at sea level. Provides for good discussion on using positive and negative numbers to represent quantities in the real...