Lesson Plan
Curated OER

Five Minute Adding Frenzy (A)

For Teachers 5th - 8th
In this five minute adding frenzy worksheet, learners problem solve four charts containing a hundred addition equations in each in less than five minutes for each one.
Worksheet
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Number and Consecutive Integer Problems

For Students 9th - 12th
In this word problem learning exercise, student solve 32 number and consecutive integer problems.  Learners use variables and algebraic reasoning to solve each problem.
Worksheet
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The Cross Number Problem

For Students 9th - 11th
In this algebra worksheet, students complete a cross word puzzle using numbers instead of words. Every number between 1 and 9 can only be used once. There is an answer key with this problem.
Worksheet
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Lesson 10-6: Using the Quadratic Formula

For Students 9th - 12th
In this quadratic formula worksheet, students solve 5 quadratic problems.  Students use the quadratic formula to find maximums, minimums, roots, and y-intercepts.
Worksheet
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Mentally Add Two 2-Digit Numbers pg. 1

For Students 4th - 6th
Mental math addition is the focus of this worksheet. Students apply a strategy outlined in the worksheet to find the sums. In this worksheet, students find the answers for twenty problems. Answers appear at the end.
Worksheet
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Review of Addition Facts

For Students 1st
In this addition worksheet, 1st graders write down the addends that make up 5 and 6. They match addition problems to the sums 5 and 6, and find the missing addends in 10 problems. They compare equations to 5 and 6 using the symbols for...
Lesson Plan
EngageNY

Addition and Subtraction Formulas 1

For Teachers 11th - 12th Standards
Show budding mathematicans how to find the sine of pi over 12. The third lesson in a series of 16 introduces the addition and subtraction formulas for trigonometric functions. Class members derive the formulas using the distance...
Worksheet
Curated OER

Addition

For Students 4th - 6th
Those are some big addends! Challenge students to find the sum of 16 equations, each of which has at least three addends. They are adding, two, three, and four-digit numbers here, and regrouping is a given. Two example problems offer...
Worksheet
Curated OER

Addition with 9

For Students 1st
In this addition with 9 worksheet, 1st graders add the number nine to numbers from 1 to 10. They find the sums to 320 questions on 20 pages.
Worksheet
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Test #2 Equations Review

For Students 7th - 9th
In this equations review worksheet, students solve algebraic equations with one variable.  They use inverse operations to solve for the unknown.  Students translate word sentences to number sentences and then solve.  This...
Worksheet
Curated OER

Add Mixed Numbers with Like Denominators (J)

For Students 4th - 5th
In this mixed number addition worksheet, learners add the whole numbers and then the fractions in the mixed number equations. Students then reduce the fraction to solve the 14 problems.
Lesson Plan
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Adding More Than Two Numbers

For Teachers 4th - 5th
In this adding more than two numbers worksheet, students, working with a partner, calculate the answers to eleven addition equations.
Lesson Plan
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Estimating Sums

For Teachers 3rd - 4th
In this estimating sums worksheet, students, working with a partner, practice problem solving five word problems involving estimation.
Lesson Plan
Curated OER

Adding Two-Digit Numbers

For Teachers 3rd - 4th
In this adding two-digit numbers worksheet, students, working with a partner, problem solve seven addition equations and word problems.
Worksheet
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Add Mixed Numbers With Like Denominators (I)

For Students 4th - 6th
In this adding mixed numbers practice worksheet, students solve 14 problems that require them to add mixed numbers that have like denominators.
Worksheet
Curated OER

Count, Color, and Add Dogs: Seven Worksheets

For Students 1st Standards
Go, dog! Go! Math minors count the running dogs and count the sitting dogs, and come up with the total. These straightforward worksheets are a splendid tool for introducing little ones to addition. Add them to your arsenal when striving...
Worksheet
Curated OER

Add Mixed Numbers With Like Denominators (J)

For Students 4th - 6th
In this adding mixed numbers practice instructional activity, students solve 14 problems that require them to add mixed numbers that have like denominators.
Lesson Plan
Curated OER

Translating Word Expressions to Algebraic Expressions

For Teachers 8th - 9th
In this translating worksheet, students read a word sentence, and then translate it to an algebraic equation. Fifteen problems are provided on this one-page worksheet. Answers are provided on the right-side of the page.
Worksheet
Curated OER

Adding With Whole Tens

For Students 2nd - 3rd
In this addition worksheet, students use pictures of bars and numeric problems to add whole tens and complete addition problems. A website reference is given for additional activities. 
Worksheet
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Add Mixed Numbers With Like Denominators (G)

For Students 4th - 6th
In this adding mixed numbers practice worksheet, students solve 14 problems that require them to add mixed numbers that have like denominators.
Worksheet
Curated OER

Add Mixed Numbers With Like Denominators (H)

For Students 4th - 6th
In this adding mixed numbers practice worksheet, students solve 14 problems that require them to add mixed numbers that have like denominators.
Worksheet
Curated OER

Money Riddle

For Students 3rd - 4th
In this addition worksheet, students solve 11 problems in which a mystery number is added to another two digit number with the sum always being 100. After completing the problems a mystery message will be revealed.
Worksheet
Curated OER

Six numbers Trick

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students analyze the algebra behind a number trick involving consecutive numbers.  The one page worksheet contains one problem with an explanation of the algebra behind the problem. 
Interactive
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Estimating and Rounding

For Students 6th - 7th
In this estimation and rounding worksheet, students solve ten multiplication problems by using estimation and rounding skills. This is an interactive worksheet.