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Unit Plan
Mathematics Vision Project

Circles: A Geometric Perspective

For Teachers 10th - 12th Standards
Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...
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Lesson Plan
West Contra Costa Unified School District

Adding by finding 10's

For Teachers 1st - 2nd Standards
Count with ten frames in a first grade addition lesson. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.
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Lesson Plan
Mathematics Assessment Project

Comparing Strategies for Proportion Problems

For Teachers 7th Standards
Having problems with proportions? Then solve these proportion problems with an exercise that asks learners to first individually solve a set of problems involving ratios and proportional reasoning. Groups then discuss provided sample...
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Lesson Plan
Education Development Center

Thinking Things Through Thoroughly

For Teachers 6th - 9th Standards
Problem solving is a skill of its own. Learners use a variety of problems to encourage mental math and logic to get the correct answer. Guiding questions are provided along the way to encourage the right way of thinking to help tackle...
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Lesson Plan
University of Minnesota

Fraction Operations and Initial Decimal Ideas

For Teachers 4th - 6th Standards
Add another strategy to the toolboxes of young mathematicians with this elementary math lesson on using number lines to add and subtract fractions.
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Printables
K-5 Math Teaching Resources

Large Five Frames with Dots

For Students Pre-K - 2nd Standards
Enhance young mathematicians' counting strategies using this large five frames printable. Here, you'll find a large one by five array with red counters to support adding and subtracting through visual images of numbers one through five. 
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Lesson Plan
Illustrative Mathematics

Christina's Candies

For Teachers Pre-K - 1st Standards
Help Christina figure out how many chocolate and lemon candies she has with a lesson on decomposing numbers. When presenting this context to the class, the teacher chooses the total number of candies and the number that are chocolate,...
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Worksheet
Maths Blog

Adding/Subtracting Whole Numbers in Your Head

For Students 2nd - 3rd Standards
Exercise those mental math muscles! This worksheet contains 10 addition and 10 subtraction problems which require learners to compute sums or differences in their heads. A quick review at the top of the page provides a strategy based on...
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Lesson Plan
2
2
EngageNY

Mastering Factoring

For Students 10th - 12th Standards
Math class is full of drama—there are so many problems to work out! Pupils work out factoring problems. They use quadratic methods of factoring higher degree polynomials, in addition to factoring the sum and difference of two cubes. 
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Lesson Plan
Education Development Center

Geography of the Number Line

For Teachers 5th - 8th Standards
It's more than just numbers on a line, its an organizational, mental math machine to help learners understand the value of numbers. The tool is handy when introducing positive and negative integers to see their values and relationships....
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Assessment
Illustrative Mathematics

Jamir's Penny Jar

For Students 2nd Standards
Before you start counting the coins in Jamir's coin jar, figure out which coin to start with. Should it be the penny or the quarter? Why? This is the focus around a worksheet that works well as an assessment on counting money and...
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Lesson Plan
1
1
Illustrative Mathematics

Representing Half of a Circle

For Teachers 2nd - 4th Standards
Geometric shapes make great visual models for introducing young mathematicians to the concept of fractions. Looking at a series of four circles, students are asked to determine whether or not one half of each circle is shaded. To support...
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Assessment
Illustrative Mathematics

Comparisons 1

For Students 2nd Standards
A seven question worksheet asks learners to use place value strategies to decide if each number comparison is true or false.
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Lesson Plan
Curated OER

Estimate, Solve, and Check

For Teachers 1st - 2nd
Young scholars estimate, solve, and check a series of addition and subtraction number and word problems. They write their estimates on a recording sheet, compute and write the answer in the next column, and check their answer with a...
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Worksheet
1
1
K12 Reader

Evaluating Efficiency

For Students 4th - 5th Standards
There's more than one way to solve a math problem! Introduce your class to this concept with a reading passage. After reading, learners answer five related questions.
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Lesson Plan
Curated OER

Two-Digit Addition With Regrouping

For Teachers 2nd
Second graders practice two-digit addition with regrouping. In this addition instructional activity, 2nd graders use craft sticks to solve two-digit regrouping problems. Students solve problems on the chalkboard.
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Organizer
Curated OER

Working Backwards as a Problem-Solving Strategy

For Students 3rd
For this problem solving strategy worksheet, 3rd graders roll a dice three times and record the number in the hundreds, tens and ones place on the chart, then solve an addition and subtraction problem with that number.
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Worksheet
Curated OER

Strategies for Problem-Solving: Finding Patterns

For Students 4th
In this strategies for problem-solving:  finding patterns worksheet, 4th graders use a given pattern to answer 3 questions, then determine another pattern to answer 3 more.
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Lesson Plan
Curated OER

Addition and Subtraction Pick n Mix 2

For Teachers 4th
Fourth graders practice a wide range of strategies for solving addition and subtraction problems containing decimal fractions. They add and subtract fractions, decimals and integers while generalizing the properties of operations with...
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Lesson Plan
Curated OER

Make a Match

For Teachers 2nd
Second graders examine the relationship between addition and subtraction. For this number sense lesson, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators)  to add and subtract.
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Lesson Plan
Alabama Learning Exchange

Tiger Math Graphing

For Teachers K - 2nd Standards
Learners practice various skills using the book Tiger Math: Learning to Graph from a Baby Tiger. After listening to the story, they create a pictograph using data collected from the text. They also color a picture of a tiger, collect...
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Lesson Plan
Curated OER

Relationship Between Addition and Subtraction

For Teachers 2nd - 3rd
Students are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson, students are being taught using theories from different philosophers in education. They are given a...
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Lesson Plan
Curated OER

Jumping Addition

For Teachers 1st - 2nd
Students add and jump using a number line. For this jumping addition lesson students solve addition problems. Students work with a partner to solve a series of addition problems.  
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Worksheet
Curated OER

Addition: Number Bonds to 30

For Students 2nd - 4th Standards
In this addition worksheet, students fill in the missing addend to an addition problem that adds up to 30. This number could be a one or two digit number. Students complete 41 missing addend problems.