Curated OER
Mean in Statistics: Practice Finding Averages
Using an online, interactive practice exercise, learners calculate the mean of six sets of numbers. A handy tool to provide practice or assess mastery. Immediate feedback notes correct responses and leaves incorrect ones in place so...
Illustrative Mathematics
Equivalent fractions approach to non-repeating decimals
Trying to get your class to think of decimals as fractions and vice versa can lead to interesting discussions. After all, we can usually understand quickly that 1/4 is .25 but why is 1/7 not so easy to convert? This activity looks...
Inside Mathematics
Number Towers
Number towers use addition or multiplication to ensure each level is equal. While this is common in factoring, it is often not used with algebraic equations. Solving these six questions relies on problem solving skills and being able to...
EngageNY
Estimating Probability Distributions Empirically 1
What if you don't have theoretical probabilities with which to create probability distributions? The 11th installment of a 21-part module has scholars collecting data through a survey. The results of the survey provide empirical data to...
Jesuit High School
Geometry Sample Problems
I'd like to prove that this worksheet has a lot to offer. Seven problems using triangles and parallelograms practice the traditional method of a two-column proof. After the worksheet is some practice problems that show worked out...
Curated OER
2.1 Arithmetic Series
In this arithmetic series worksheet, students solve 30 short answer problems. Students find the sum of a given arithmetic series. Students find arithmetic means between two terms in an arithmetic sequence.
Curated OER
Word Clue and All About Me Problem Solving
Fifth graders practice solving word problems using highlighted strategies. In this word problem lesson, 5th graders brainstorm and use words as clues that indicate the math operations that will be used to solve problems. They use...
Curated OER
Developing Formulas for Triangles and Quadrilaterals
In this geometry worksheet, 10th graders determine the area of triangles, parallelograms, trapezoids, kites, and rhombuses. The one page worksheet contains eleven problems. Answers are included.
Curated OER
T Points from Directions
Here is a lesson that starts with having geometers translate points using compass directions into an accurate picture of the problem. Then they must use their knowledge of the Pythagorean theorem or similar triangles to solve. This makes...
Illustrative Mathematics
Rectangle Perimeter 2
While this activity is centered around expressions that represent the perimeter of a rectangle, it also hits at the fundamental concept of equivalent expressions, simplifing expressions, and like-terms. Classmates express their...
West Contra Costa Unified School District
Pythagorean Theorem and Its Converse
Challenge scholars to prove the Pythagorean Theorem geometrically by using a cut-and-paste activity. They then must solve for the missing sides of right triangles.
Curated OER
The Christmas Shoppe C
In this math word problems learning exercise, students solve word problems based on a chart of Christmas items for days Monday through Saturday. Students complete 4 word problems.
Curated OER
Triangle Fundamentals
In this geometry worksheet, learners observe a triangle marked with three angles and are given two measures to find the missing third measure. A second diagram is given with six angles. There are 20 questions.
Curated OER
Smiling at Two Digit Multiplication!
How do I solve a two-digit multiplication problem? Your class tackles this question by walking through problem solving methods. They first investigates and applies traditional multiplication methods, and they then compare those with...
Curated OER
Integer Addition
Seventh graders explore the concept of integer addition. For this integer addition lesson, 7th graders tell stories involving addition and subtraction. Students walk on a number line given directions such as add 3 or add -2. Students...
Curated OER
Morning Math
In this math activity, students look for the answers to the questions to fill in the graphic organizer that is for each morning class of the week.
Curated OER
Addition: Missing Sums and Addends
In this addition worksheet, students fill in missing sums and addends in a set of 20 problems. Some problems involve regrouping, answers are included on page 2.
Curated OER
Find Missing Sums and Addends-No Regrouping
In this addition instructional activity, students find missing sums and addends in a set of 20 problems without regrouping. Answers are included on page 2.
Curated OER
Estimate the Sum
In this estimating worksheet, students round numbers to the nearest ten and estimate sums in a total of 9 problems. Answers are included on page 2.
Curated OER
Add and Subtract Decimal Ten Thousandths (A)
For this mathematics worksheet, students solve a number of problems by adding and subtracting decimals to the ten thousandths place. There are 32 problems to solve on the sheet.
![Add and Subtract Decimal Ten Thousandths [D] Worksheet](http://lessonplanet.com/content/resources/thumbnails/217084/large/cgrmlwnvbnzlcnqymdezmdmzms0zmji0ms0xmms3a2x2lmpwzw.jpg?1414307113 "Add and Subtract Decimal Ten Thousandths [D] Worksheet")
Curated OER
Add and Subtract Decimal Ten Thousandths [D]
For 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 [E] Worksheet](http://lessonplanet.com/content/resources/thumbnails/217085/large/cgrmlwnvbnzlcnqymdezmdmzms0xmzk0mc00mjh4etquanbn.jpg?1414307113 "Add and Subtract Decimal Ten Thousandths [E] Worksheet")
Curated OER
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://lessonplanet.com/content/resources/thumbnails/217088/large/cgrmlwnvbnzlcnqymdezmdmzms0zmjmyoc0xcwfxbmn6lmpwzw.jpg?1414307116 "Add and Subtract Decimal Ten Thousandths [I] Worksheet")
Curated OER
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://lessonplanet.com/content/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 learning exercise, students solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.