Interactive
CK-12 Foundation

Improper Fractions as Mixed Numbers: Sharing Scratch-n-Sniff Stickers

For Students 6th Standards
No, you can't actually smell these 13 scratch-n-sniff stickers. But you can group them into equal groups of four, with one sticker remaining. Using that information, learners create a mixed number based on the improper fraction, 13/4.
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.
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.
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.
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.
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?
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...
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...
Worksheet
Curated OER

Add and Reduce

For Students 4th - 8th
In this add and reduce worksheet, students add and reduce fractions with one and two digit numbers with common and uncommon denominators. Students complete 150 problems.
Lesson Plan
Curated OER

Addition of Numbers

For Teachers 2nd
Second graders add two digit numbers with manipulatives. In this addition lesson plan, 2nd graders are given blocks to add numbers together.
Worksheet
Curated OER

Adding - One digit numbers

For Students Pre-K - 1st
In this addition worksheet, students add one digit numbers to each other. Students add one digit numbers to each other to solve 8 problems.
Worksheet
Curated OER

Add Objects

For Students K - 2nd
In this addition activity, students complete addition problems where they add the number 1 to the numbers 2 - 9 with numbers and pictures. Students complete 8 problems.
Worksheet
Curated OER

Addition: one and two digit numbers

For Students 2nd
In this addition worksheet, 2nd graders add one and two digit numbers together with the help of a number line. Students complete 19 problems.
Worksheet
Curated OER

Add Two-Digit Numbers

For Students K - 2nd
In this addition worksheet, students practice adding 9 two-digit addition math problems involving tens, ones and regrouping. Students solve the answer to 1 test prep question and fill in the circle for the correct answer from a multiple...
Lesson Plan
Curated OER

Complex Numbers

For Teachers 10th - 12th
In this complex numbers worksheet, pupils write numbers as a multiple of i. They add and subtract imaginary numbers. Students write complex quotients in standard form. This three-page worksheet contains six problems.
Worksheet
Curated OER

Adding and Subtracting Fractions/Mixed Numbers (9)

For Students 3rd - 5th
In this adding and subtracting fractions and mixed numbers learning exercise, students solve 10 problems that require them to add and subtract mixed numbers and fractions.
Worksheet
Curated OER

Adding and Subtracting Like Mixed Numbers (10)

For Students 4th - 6th
In this adding and subtracting mixed numbers worksheet, learners use their math skills to solve 10 problems that require them to add and subtract mixed numbers with like denominators.
Worksheet
Curated OER

Adding and Subtracting Like Mixed Numbers (8)

For Students 4th - 6th
In this adding and subtracting mixed numbers worksheet, students use their math skills to solve 7 problems that require them to add and subtract mixed numbers with like denominators
Worksheet
Curated OER

Chapter 9 - Objective 3.1 Radicals & Imaginary Numbers

For Students 11th - 12th
In 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.
Worksheet
Curated OER

Addition: 2 digit numbers

For Students 2nd
In this addition activity, 2nd graders add 2 digit numbers together with and without regrouping. Students complete 40 problems.
Worksheet
Curated OER

Addition: 2 digit numbers

For Students 2nd
In this addition worksheet, 2nd graders add two digit numbers together with and without regrouping. Students complete 40 problems.
Worksheet
Curated OER

Add Fractions (A)

For Students 5th - 6th
In this mathematics worksheet, learners solve a number of problems by finding and equivalent fraction using the least common denominator in each. Then they add and change to a mixed number when necessary. Students also reduce the...
Worksheet
Curated OER

Order of Operations- Square Numbers Math Worksheet

For Students 5th - 6th
In this order of operations worksheet, students complete 20 problems that include square numbers. They add, subtract, and multiply with square numbers following the rule for the use of parentheses.
Worksheet
Curated OER

Order of Operations- One Digit Whole Numbers Math Worksheet

For Students 4th - 5th
In this order of operations worksheets, students complete 20 problems with one digit whole numbers. They add, subtract, and multiply while following the rules for order of operations with and without parentheses.

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