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Interactive
Curated OER

Number Sequence Rules

For Students 1st - 3rd
In this number sequence interactive worksheet, students fill in the missing numbers in each of the 14 number sequences. There are three numbers missing in each number sequence.
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Worksheet
Curated OER

The Irrational Numbers

For Students 9th - 11th
For this Algebra I/Algebra II worksheet, students identify rational and irrational numbers.  The one page worksheet contains a combination of ten multiple choice and free response questions.  The answers are included. 
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Lesson Plan
Curated OER

Order Your Numbers

For Teachers 2nd - 5th
Students examine the order of whole numbers that range from 0 to 1,000. They compare and contrast the quantities of different numbers using the number line, objects, and symbols of comparison. Students also work as a class with cards to...
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Lesson Plan
Curated OER

Number Patterns

For Teachers 4th - 6th
An easy way to introduce numerical patterns, these activities can be made simpler by using addition, or more difficult with division, fractions, and percentages. Children examine patterns and determine the missing number in the sequence....
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Interactive
CK-12 Foundation

Identifying Sets of Pythagorean Triples: Matching Problem

For Students 8th - 12th Standards
What sets of whole numbers make up the measures of side lengths in right triangles? Pupils use an interactive triangle to learn about Pythagorean triples. Individuals find missing values in triples and learn more about Pythagorean...
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Worksheet
Curated OER

Ordinal Numbers

For Students 6th
In this ordinal numbers worksheet, 6th graders solve 7 different problems that include identifying various ordinal numbers in patterns. First, they fill in the missing ordinal numbers in each pattern. Then, students place the items where...
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Lesson Plan
Curated OER

Placing Negative Numbers on a Number Line

For Teachers 3rd - 5th
Students plot numbers on a number line. In this negative numbers lesson plan, students create their own number line. Students discuss the concept of negative numbers and plot some on their number lines. Students create true and false...
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Lesson Plan
Curated OER

Magic Number

For Teachers K
Students create addition sentences. They review number lines and how to jump between numbers to solve equations. They play the "Magic Number" game by using a spreadsheet and guessing numbers. They discuss how they found the magic numbers.
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Lesson Plan
Curated OER

Understanding 10: Backwards and Forwards

For Teachers Pre-K - 2nd
Help your young mathematicians completely master 10 by practicing one-to-one correspondence, number recognition, and recording numbers displayed. They make 10 with groups of two-different colored cubes and color in 10-frames to show how...
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Lesson Plan
National Security Agency

Let's Party With Place Value

For Teachers 2nd - 4th Standards
Put on your math caps and explore place value and ways to represent numbers. Learners read, write, and represent whole numbers. They interact with numbers as they read and explore a teacher-created story, play games, and practice their...
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PPT
Curated OER

Complete the Scale

For Teachers 4th - 5th
Here are six opportunities for learners to complete the scale. Each slide contains a number line or scale which is missing 1-2 numbers, the class must identify the missing number and put it in its proper place.
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Lesson Plan
Curated OER

Number Chart and Number Line

For Teachers 1st
First graders research strategies for identifying numbers through 100. In this number recognition lesson, 1st graders make games, create puzzles,and fill in missing numbers to practice number identification.
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Lesson Plan
Curated OER

Missing Number Bingo

For Teachers 2nd - 3rd
Students practice counting forwards and backwards with decimal numbers. They participate in a class or small group bingo game from the advanced additive and advanced multiplicative stages six and seven. Each student can choose to either...
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Worksheet
Curated OER

Addition: Number Bonds to Fifty

For Students 2nd - 4th Standards
In this identifying numbers that total fifty worksheet, learners use an addend and the sum fifty to write the missing number. Students solve 41 problems.
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Lesson Plan
Curated OER

Measurement and Conversion of Units in a Recipe

For Teachers 4th - 5th
In a cross-curricular measurement and literacy lesson, your class will identify and compare cooking measurement instruments. They read a recipe and sequence a set of similar instructions in which the steps have been mixed up....
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Lesson Plan
Curated OER

Introduce Vocabulary: Miss Spider's Tea Party

For Teachers K - 1st
Students identify new vocabulary words in the story Miss Spider's Tea Party. In this vocabulary lesson, students raise their hand each time pre-identified words are heard as the story is read and use words in various contexts throughout...
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Lesson Plan
Curated OER

Multiple Patterns

For Teachers 2nd
Second graders utilize a 1-100 grid to identify multiples of single digit numbers. They look for patterns and how they could be used to identify multiples to demonstrate the ability to use the multiplication facts and charts of single...
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Worksheet
Curated OER

Atom Basics Test

For Students 7th - 12th
Simple in format and standard in content, this resource is an assessment of your beginning chemists' grasp of the atom. Using a periodic table of elements, they fill in a chart of missing chemical formulas, atomic masses, and numbers of...
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Learning
Curriculum Corner

Bugs and Flowers Math and Literacy Centers

For Students K - 1st Standards
The sun shines, flowers bloom, and bugs fly—it must be Spring! Add a cheerful theme of bugs and flowers to math and literacy centers. Scholars take part in an assortment of activities designed to reinforce concepts such as identifying...
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Worksheet
Curated OER

Quiz: Find a Pattern

For Students 3rd - 5th
Learners respond to 11 questions that require them to examine numbers and identify patterns. They also solve four math word problems regarding patterns.
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Worksheet
T. Trimpe

Atomic Basics

For Students 7th - 12th Standards
Get down to basics with these worksheets on the structure of atoms. Challenging young chemists to identify information from the periodic table and create Bohr diagrams and Lewis dot structures for different elements, this resource would...
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Lesson Plan
Curated OER

Patterns Everywhere!

For Teachers 4th - 5th
Learners recognize and demonstrate the patterning of numbers and objects in our environment. They create a pattern using geometric shapes and find a missing number in a sequence.
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Worksheet
Curated OER

Subtraction and Unknown Addends

For Students 1st - 3rd
The missing addend strategy is helpful to young mathematicians approaching subtraction. This worksheet walks learners through the required steps, solving the problems with them. They examine situations with one addend and a sum provided,...
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Lesson Plan
Mathematics Assessment Project

Identifying Similar Triangles

For Teachers 7th - 9th Standards
Math whizzes work with angle sums and exterior angles to figure out the measure of other angles. This particular publication provides comprehensive support in the form of an anticipatory activity, questions designed to prompt discussion,...