Lesson Plan
Curated OER

Combining Like Terms

For Teachers 9th - 11th
Students define terminology used in simplifying equations. In this algebra lesson, students combine like terms to solve an equation. They use substitution, division, addition and subtractions to help simplify the equation. They multiply...
Lesson Plan
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Modeling Equations with Bars

For Teachers 9th - 10th
Students model linear equations using bars. In this algebra instructional activity, students solve two steps linear equations through modeling of division, addition and multiplication. They use manipulative to solve equations.
Lesson Plan
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Solving Complex Equations with the GERMDAS method

For Teachers 9th - 11th
Students solve complex equations with the GERMDAS method. In this algebra lesson, students solve equations with more than one step using addition, subtraction, multiplication and division. They apply the order-of operation as they...
Lesson Plan
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Solving Equations Three Different Ways.

For Teachers 9th - 10th
Learners solve equations using 3 different methods. In this algebra lesson, students solve linear equations using the bar method, the GERMDAS method and the traditional method of combining like terms through multiplication, division,...
Lesson Plan
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Practice Solving Equations

For Teachers 9th - 12th
Learners practice solving equations. In this algebra lesson, students solve a variety of linear equations using addition, subtraction, multiplication, inverse and division. They solve equations with more than one step and equations with...
Lesson Plan
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Basic Equations

For Teachers 9th
Ninth graders solve basic equations. In this algebra lesson, 9th graders solve linear equation using addition, subtraction, multiplication and division. They solve two step equations isolating the variable and putting the equation in the...
Lesson Plan
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Solving Multistep Inequalities

For Teachers 9th - 11th
Students solve inequalities using more than two steps. In this algebra lesson, students solve inequalities using addition, substitution, multiplication and division. When dividing or multiplying by a negative number, you have to switch...
Worksheet
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Ratio, Rates and Percentages

For Students 8th
In this ratio, rates and percentages worksheet, 8th graders solve 22 various types of problems related to ratios, rates and percentages. They first write ratios in lowest terms and describe each of comparison stated. Students also solve...
Worksheet
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Add Groups of Ten

For Students 2nd - 3rd
In this addition worksheet, students add groups of tens and their remainders to determine the missing addends in the pairs of 2-digit problems and then find the sums. Students solve nine problems.
Worksheet
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Addition and Subtraction Word Problems

For Students 3rd - 4th
In this word problem worksheet, students solve 7 addition, 7 subtraction and 6 mixed word problems. Links to addition resources are given and examples are completed for students.
Worksheet
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Teen Time

For Students 1st - 2nd
For this math crossword puzzle worksheet, learners solve 9 addition fact problems and write the sums in the appropriate boxes to solve the crossword puzzle.
Worksheet
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Counting Practice up to Ten

For Students Pre-K - 1st
In this early addition practice activity, learners use their counting skills to solve 5 problems that require them to count math counters in boxes adding them together.
Lesson Plan
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Mathematics Problem Solving

For Teachers 2nd
For this mathematic problem solving worksheet, 2nd graders read a short story problem that can be solved with extended addition or multiplication. They use the text boxes and lines to present their solutions using number, pictures, and...
Worksheet
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Count the Animals

For Students Pre-K - 1st
Primary graders count the number of pigs, horses, cows, elephants, and giraffes pictured (1-5). They write the numeral that represents how many of each are shown in boxes labeled with single examples of the animal. In addition to writing...
Worksheet
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Addition: level 3: exercise 3 (carryovers)

For Students 2nd - 3rd
For this addition worksheet, learners add two digit numbers to one digit numbers with regrouping. Students complete 30 addition problems.
Lesson Plan
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Addends with Spiffy

For Teachers 2nd - 3rd
Students solve single variable equations. For this missing addend lesson, students solve problems with missing addends. Students create a function box to help study numerical reasoning.
Worksheet
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Doubling (pg. 1)

For Students 1st
In this two digit addition worksheet, 1st graders double six two digit numbers by writing their answers in the six empty boxes.
Interactive
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Statistical Calculations Using M&Ms

For Students 8th - 11th
In this frequency worksheet, learners investigate, frequency, box plots, and percentage using a package of M&Ms.  Copies of the actual correspondences with the Mars company are also included.
Worksheet
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Adding/Subtracting--More Than/Less Than

For Students 2nd - 4th
In this adding and subtracting activity, students make 6 numbers 100 more and put their answers in the boxes provided. Students make 6 numbers 100 less and put their answers in the boxes provided. Students count on in hundreds from 769...
Worksheet
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Complete the Number Sentences

For Students 3rd - 4th
For this addition worksheet, students use three digit addition and solve for missing addends. Students master 15 problems filling in the missing numerals for each.
Worksheet
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Make 80

For Students 4th - 6th
For this addition worksheet, students solve 15 addition and subtraction problems using 2-digit numbers. The answers are on the second page.
Worksheet
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Crossword Puzzle: Decimals Vocabulary

For Students 6th
In this crossword puzzle:  decimals vocabulary worksheet, 6th graders fill in the puzzle using the clues and math vocabulary words.
Worksheet
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Adding - Written Questions

For Students 3rd - 5th
In this addition worksheet, students solve the 10 subtraction problems and write the answers in the boxes. The problems involve adding a 2-digit number to a 2-digit number. The answers are on the second page.
Worksheet
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Add and Subtract Decimals

For Students 4th - 6th
In this decimal worksheet, students read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.