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Interactive
CK-12 Foundation

Order Real Numbers: Pie Baking Contest

For Students 6th - 8th Standards
Time is on your side. Scholars plot three points on number lines with different time units to represent the time it takes three people to bake pies. They determine the fastest baker and the difference in times between the bakers.
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Interactive
CK-12 Foundation

The Real Numbers: Union and Intersection of Sets

For Students 8th - 9th
Not everyone can get what they want in a smoothie. Learners determine the fruit they can place in a smoothie given constraints and preferences. The union and intersection of sets must be taken into consideration.
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Interactive
CK-12 Foundation

The Real Numbers: Adding Electrons

For Students 6th - 8th
Get a charge out of a great resource! Scholars use an interactive to explore addition and subtraction of integers. They add or remove electrons in an atom model to consider its charge.
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Interactive
CK-12 Foundation

The Real Numbers: Size of Infinite Sets

For Students 8th - 10th
The learning opportunities with the resource on infinity are finite, but it's still good to use. Individuals investigate the size of the set of integers and the set of even integers. Conclusion: the two sets have the same size.
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Interactive
CK-12 Foundation

The Real Numbers: Surjections, Injections and Bijections

For Students 8th - 12th
Inject a great interactive into your lesson plans. Scholars learn about injections, surjections, and bijections of sets. They use an interactive that shows an example for each of these relationships between sets.
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Interactive
CK-12 Foundation

Division of Decimals by Whole Numbers: Lemonade Stand

For Students 6th Standards
After a full day of selling lemonade, three friends split the cost of the profit money. If the total profit was $34.20, how much will each friend get?
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Interactive
CK-12 Foundation

Whole Number Division: Repaying Money

For Students 3rd - 5th Standards
Mathematicians answer five word problems in an interactive practice all about repaying money using division. A calendar and moveable dollar bills aides participants in finding solutions to multiple-choice, fill-in-the-blank, and...
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Interactive
CK-12 Foundation

Numbers with Decimal Place Value: Battleship Decimals

For Students 6th - 8th Standards
Decimal place value is the topic of a Battleship themed-interactive. Scholars answer five questions—multiple-choice and true or false—while referencing a grid that acts as the board game. The practice concludes with a discussion question. 
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Lesson Plan
EngageNY

Read Expressions in Which Letters Stand for Numbers

For Teachers 6th Standards
Pencil in the resource on writing verbal phrases into your lesson plans. The 15th installment of a 36-part module has scholars write verbal phases for algebraic expressions. They complete a set of problems to solidify this skill.
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Worksheet
Curated OER

Rounding Decimals, from Hundredths Place to Whole Numbers

For Students 3rd - 5th Standards
An efficient and straightforward decimals learning exercise! Young learners round amounts of money and measurements to the nearest dollar or meter. Each section contains 20 problems, making it easy to divide up this asignment into...
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Lesson Plan
Illustrative Mathematics

Equality Number Sentences

For Teachers K - 2nd Standards
Understanding the concept of equality is fundamental to the success of young mathematicians. To explore this basic idea, children compare the dots arranged in pairs of rectangles in order to determine whether or not they contain an equal...
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Printables
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K-5 Math Teaching Resources

Ten Frame

For Teachers Pre-K - 2nd Standards
Engage young mathematicians in building their number sense with this set of ten frame printables. Whether you're teaching pupils how to count, add, or subtract, these tools offer children tremendous support with developing their basic...
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Worksheet
Curated OER

Chemical Formula Practice #1/Bonding Basics Practice Page

For Students 9th - 12th
The first of two worksheets methodically prepares chemistry novices for naming polyatomic compounds. It begins by having them acknowledge the number of each atom contained in a molecule. Then learners list the valence electrons for a...
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Worksheet
Curated OER

Subtracting Decimals, Larger Numbers

For Students 5th - 6th Standards
Challenge your fifth graders with this decimals activity, which prompts them to subtract decimals to the hundredth and thousandth places. After writing the differences for the first 16 problems, they solve ten problems written in a...
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Worksheet
Curated OER

Basic Division

For Students 5th - 8th
In this basic division worksheet, students divide one digit numbers into two digit numbers. Students complete 72 problems on each of the 2 pages.
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Worksheet
Curated OER

Chapter 9 - Objective 3.1 Radicals & Imaginary Numbers

For Students 11th - 12th
For this imaginary numbers worksheet, students solve radical equations containing imaginary numbers. They multiply, divide, subtract and add problems. This one-page worksheet contains ten problems.
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Lesson Plan
Curated OER

Basic Concepts Jeopardy

For Teachers K
A basic concepts PowerPoint allows students to review basic concepts, such as numbers, letters, colors, and shapes. Youngsters see a picture of an animal, shape or color and will have to ask the question, "What it....?" to answer. Some...
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Worksheet
Curated OER

Arithmetic Operations with Negative and Positive Numbers Review

For Students 5th - 8th
For this arithmetic operations review worksheet, students review basic arithmetic operations with both positive and negative numbers. The worksheet shows adding real numbers, subtracting real numbers, multiplying real numbers and...
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Worksheet
Curated OER

Bonding Basics Review

For Students 9th - 11th
In this bonding worksheet, students complete a chart of elements, their symbols, the total number of electrons, the number of valence electrons and the oxidation numbers. They draw Lewis structures for atoms and show the transfer of...
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Worksheet
Language Resources UK

Numbers WS1

For Students 3rd - 10th
Combine Spanish, English, and basic calculations to help your class get a good grasp of Spanish numbers. The resource is made up of several different exercises that ask pupils to unscramble letters, translate words, and complete basic...
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PPT
Curated OER

ONES and TENS

For Teachers 1st
Before you can teach place value or regroup, you need to provide students with a concrete idea of the definition of ones and tens. Here, ones and tens are defined and then shown several different ways in order to represent several...
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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

Using Basic Properties to Solve Problems in Math

For Teachers 6th - 8th Standards
Learners identify and define the rules of properties of real numbers. They rewrite each of the problems listed using the commutative or associative properties. Pupils apply problem solving strategies to clarify situations in a table...
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Worksheet
Curated OER

Addition Drill

For Students 1st - 3rd
A basic problem-solving learning exercise has scholars completing 10 addition problems. The problems each involve two addends, and have single, double, and triple-digit numbers. Once they have found the sum, they locate the number from...