West Contra Costa Unified School District
Simplify Expressions and Solve Equations Using Two-Column Proofs
Increase understanding of the algebraic properties and their importance. Scholars justify their steps as they simplify expressions and solve equations. They formalize their work as two-column proof.
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Adding and Subtracting Fractions (1)
In this adding and subtracting fractions instructional activity, students problem solve and calculate the answers to ten fraction equations dealing with addition and subtraction.
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Adding and Subtracting Mixed Numbers (1)
In this adding and subtracting mixed numbers worksheet, learners problem solve and calculate the answers to ten addition and subtraction equations.
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Adding And Subtracting Decimals
In this adding and subtracting decimals worksheet, learners, with a partner, problem solve and calculate the answers to ten addition and subtraction equations or word problems.
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10 More or 10 Less
Practice adding and subtracting 10 with this outer space worksheet. On the top, scholars match digits floating in stars with sums inside a spaceship. Next, they do the same with subtracting 10, connecting numbers to differences. These...
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Two-Digit Numbers: 10 More or 10 Less
Complete the sequence by adding or subtracting 10! Although the instructions are slightly vague, the idea is that learners are given a starting number and fill in four sequential numbers by either adding or subtracting 10. The first four...
![Add and Subtract Decimal Ten Thousandths [D] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217084/large/cgrmlwnvbnzlcnqymdezmdmzms0zmji0ms0xmms3a2x2lmpwzw.jpg?1414307113 "Add and Subtract Decimal Ten Thousandths [D] Worksheet")
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Add and Subtract Decimal Ten Thousandths [D]
In this decimal worksheet, learners solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
![Add and Subtract Decimal Ten Thousandths [E] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217085/large/cgrmlwnvbnzlcnqymdezmdmzms0xmzk0mc00mjh4etquanbn.jpg?1414307113 "Add and Subtract Decimal Ten Thousandths [E] Worksheet")
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Add and Subtract Decimal Ten Thousandths [E]
In this decimal worksheet, students solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
![Add and Subtract Decimal Ten Thousandths [I] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217088/large/cgrmlwnvbnzlcnqymdezmdmzms0zmjmyoc0xcwfxbmn6lmpwzw.jpg?1414307116 "Add and Subtract Decimal Ten Thousandths [I] Worksheet")
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Add and Subtract Decimal Ten Thousandths [I]
In this decimal learning exercise, students add and subtract a total of 32 problems, all decimals are ten thousandths. Answers included on page 2.
![Add and Subtract Decimal Ten Thousandths [F] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217083/large/cgrmlwnvbnzlcnqymdezmdmzms0zmji0ns0xahzncgzrlmpwzw.jpg?1414307113 "Add and Subtract Decimal Ten Thousandths [F] Worksheet")
Curated OER
Add and Subtract Decimal Ten Thousandths [F]
In this decimal worksheet, students solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
![Add and Subtract Decimal Ten Thousandths [G] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217086/large/cgrmlwnvbnzlcnqymdezmdmzms0zmji3mc0xcms4bxr0lmpwzw.jpg?1414307387 "Add and Subtract Decimal Ten Thousandths [G] Worksheet")
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Add and Subtract Decimal Ten Thousandths [G]
In this decimal worksheet, learners solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
![Add and Subtract Decimal Ten Thousandths [H] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217087/large/cgrmlwnvbnzlcnqymdezmdmzms0zmjmync0xbtyxbhuuanbn.jpg?1414307116 "Add and Subtract Decimal Ten Thousandths [H] Worksheet")
Curated OER
Add and Subtract Decimal Ten Thousandths [H]
In this decimal worksheet, students add and subtract a total of 32 problems, all decimals are ten thousandths. Answers included on page 2.
Curated OER
Fraction X--Adding Unlike Denominators
In this math PowerPoint, the process of adding fractions with unlike denominators is broken down into a logical, easy-to-follow sequence of steps. Definitions and examples of multiples, least common multiple, and least common denominator...
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Curriculum Links To Numeracy
Youngsters practice looking for the links to numeracy in their classes. This isn't a worksheet but a curriculum guide for an entire unit. Teachers can use any part of the resource to extend or inform their teaching practices related to...
West Contra Costa Unified School District
Adding by finding 10's
Count with ten frames in a first grade addition lesson plan. 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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Add and Subtract
Like the cubs in A Fair Bear to Share, your 2nd grade class will practice adding and subtracting double-digit numbers by grouping, regrouping, and sorting a collection of objects. This requires many resources, but it is well worth the...
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Adding and Subtracting Mixed Fractions (D)
Use this mixed number worksheet to have your charges complete a total of 10 problems using mixed numbers. Answers and link to additional worksheets included page 2.
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Adding and Subtracting Fractions (C)
Use this fraction worksheet to have your mathematicians add and subtract mixed numbers and fractions, 10 problems total. Answers and a link to other worksheets on page 2.
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Number Sense and Numeration
Students add and subtract integers. In this algebra lesson, students discuss number sense as they sort numbers in the correct order. They analyze and label numbers differentiating between rational and irrational numbers.
Curriculum Corner
Penguin Decimal Computation Scoot
Fourth and fifth graders use a set of 28 decimal computation cards as a way to practice adding and subtracting decimals. As learners move to the various cards placed around the room, they write the answer to each card on their recording...
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Number Bonds
Being able to recognize number bonds that make 10 is a great way to help learners add 3 digits together. First they make 10 by adding two numbers together, then they assess 3 digit addition sentences, where they make 10 first then add-on...
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Addition and Subtraction up to 100
After reviewing double-digit addition and subtraction up to and from 100, learners are introduced to addition and subtraction up to and from 10,000. A grid is used along side number decomposition to help them solve a word problem...
Florida Center for Instructional Technology
A Human Number Line: Teacher Notes
Twenty-one pieces of tagboard can lead your class to a greater understanding of integers when you use them to form a human number line. After creating this math tool, two strategies for adding and subtracting will have your...
Curated OER
Today's Number
Using the number of days they have been in school, learners practice fining sums by adding ten, subtracting ten, and determining even and odd numbers. They write equations and build numbers with the fewest number of base ten blocks.