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Lesson Plan
Curated OER

Domain: Operations and Algebraic Thinking

For Teachers K - 2nd
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
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Lesson Plan
Curated OER

Solve Story Problems: Sold! A Mathematics Adventure

For Teachers K - 2nd
Young mathematicians listen to the book Sold!: A Mathematics Adventure by Nathan Zimelman where they encounter ways to solve story problems. They then create and solve start unknown addition and subtraction equations. Resource builds in...
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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
Curated OER

Up and Atom

For Teachers 7th - 8th
"Up and Atom" is a mini-unit introducing middle-schoolers to the wonders of elements. Participants draw atom models, examine the periodic table, compare samples of metals to nonmetals, identify unknown elements, and more! The beginning...
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Lesson Plan
Curated OER

Make a Math Mascot

For Teachers 7th - 8th
Create a math mascot by identifying irrational and rational numbers. Learners will also solve linear equations.
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Worksheet
Curated OER

Addition Start Unknown

For Students 1st - 3rd
Young learners will test their understanding of the operations and the strategy of addition in this worksheet. For the visual learners, there is space underneath each word problem for them to make illustrations to help them with solving...
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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
Curated OER

I Have a Magic Pot

For Teachers 1st - 3rd
Pupils will explore numbers rules. They will create a picture of their rule and exchange their paper with a classmate. The classmate works to figure out the rule. They then share with each other how they found the rule. Questions are...
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Lesson Plan
Curated OER

Quadratic Equations with Negative Discriminate

For Teachers 9th - 11th
Solve polynomial equations of degree using different theorems and apply the zero factor theorem for unknown numbers in a quadratic equation. Also use the discriminate to find out the kind of solutions to given quadratic equations shown.
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Worksheet
Curated OER

Masses of Atoms

For Students 9th - 12th
In this masses of atoms instructional activity, students complete a chart of 7 isotopes with their isotope symbol, atomic mass, atomic number, and the number of protons, neutrons and electrons. They calculate the average atomic mass of...
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Lesson Plan
Illustrative Mathematics

Placing a Square Root on the Number Line

For Teachers 7th - 9th Standards
There are many ways to approach finding the rational approximation of an unknown square root. Here is a problem that will help math learners make a connection between square roots and their order on a number line. As usual, determine two...
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Assessment
Inside Mathematics

Rugs

For Teachers 8th Standards
The class braids irrational numbers, Pythagoras, and perimeter together. The mini-assessment requires scholars to use irrational numbers and the Pythagorean Theorem to find perimeters of rugs. The rugs are rectangular, triangular,...
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Assessment
Los Angeles County Office of Education

Assessment For The California Mathematics Standards Grade 6

For Students 6th Standards
Test your scholars' knowledge of a multitude of concepts with an assessment aligned to the California math standards. Using the exam, class members show what they know about the four operations, positive and negative numbers, statistics...
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Worksheet
Fuel the Brain

Addition Change Unknown

For Students 2nd - 4th
Anna and Ryan don't have enough materials for their personal collection or to give away equally! Your pupil will read about their dilemma in their respective word problems and determine how many more of their item they need using...
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Lesson Plan
1
1
Curated OER

Pairs of Whole Numbers

For Teachers 9th - 12th Standards
Mathematical reasoning and linear systems are two of the strategies used to solve this number puzzle. Your learners will enjoy the challenge and the variety of ways to approach this challenge.
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Worksheet
Noyce Foundation

Apple Farm Field Trip

For Students 1st - 3rd Standards
Monitor the growth of young mathematicians with a comprehensive addition and subtraction assessment. Using the context of a class field trip to an apple orchard, this series of four story problems allows children to demonstrate their...
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Lesson Plan
Curated OER

Phineas Gage: Notecard Vocabulary Strategy

For Teachers 6th - 8th Standards
Understanding the vocabulary in a text, especially a text like Phineas Gage: A Gruesome but True Story About Brain Science that includes quite a few technical terms, can be the key to understanding the text as a whole. Learners focus on...
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Assessment
1
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Inside Mathematics

Coffee

For Teachers 9th - 12th Standards
There are many ways to correlate coffee to life, but in this case a activity looks at the price of two different sizes of coffee. It requires interpreting a graph with two unknown variables, in this case the price, and solving for those...
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Lesson Plan
Curated OER

Regents Exam: Solving Rationals 1

For Teachers 9th - 12th
In this rational number worksheet, students add and subtract fractions containing variables. They find common denominators and solve for the unknown. This four-page worksheet contains eighteen problems. Answers are listed on the last...
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Lesson Plan
Curated OER

The Divider (whole number remainders)

For Teachers 3rd
Third graders use the lesson to support division of whole numbers where there is either no remainder or whole number remainders. They are able to slit division problems into parts using known multiplication and division facts.
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Worksheet
Curated OER

Multiplication and Division Equations

For Students 4th - 5th
These multiplication and division sentences are missing numbers, and it's not the typical product and quotient mystery here. Scholars solve these problems by filling in dividends and factors, as well. There are five equations and answers...
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Worksheet
Math Worksheets Land

Recognize Area as Additive - Step-by-Step Lesson

For Students 4th
Do your scholars have a basic understanding of area calculations? Give them an extra challenge with this irregular shape missing one of its length measurements. Using the given lengths, they figure the area of the entire shape. The...
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Lesson Plan
EngageNY

Unknown Length and Area Problems

For Teachers 9th - 10th Standards
What is an annulus? Pupils first learn about how to create an annulus, then consider how to find the area of such shapes. They then complete a problem set on arc length and areas of sectors.
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Interactive
CK-12 Foundation

Expected Value: Game of Chance

For Students 11th - 12th Standards
Determine whether the payoff is worth it. Pupils calculate the expected value of a game with three different payoff levels. Each level has a different probability of winning money. The scholars find the expected payoffs for each level...