+
Lesson Plan
Curated OER

Integer Addition

For Teachers 7th
Seventh graders explore the concept of integer addition. In 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 play...
+
Lesson Plan
Curated OER

Addition Properties

For Teachers 3rd - 5th
Student study addition properties. For this addition properties lesson, students use multiple methods to solve various types of problems. Students illustrate and describe in various ways the Commutative Property of Addition. Students...
+
Worksheet
Curated OER

Sigma Detectives

For Students 10th - 12th
In this sigma worksheet, students evaluate patterns. They find the sum of the digits in a sequence and write the formula to produce the sequence. This one page worksheet contains four multi-step problems.
+
Worksheet
Curated OER

Balance Adding Integers

For Students 6th - 8th
In this positive and negative numbers worksheet, students complete a balance sheet by writing positive and negative numbers in the space to match transactions.  They find the balance of the account.  This one-page worksheet contains...
+
Worksheet
Curated OER

Adding two numbers

For Students Pre-K - K
In this addition worksheet, students complete 4 problems where they have to add two single digit numbers less than 10 together to find the sum. 
+
Lesson Plan
Curated OER

UNWRAPPING PACKAGING

For Teachers 4th - 8th
Students study product packaging and determine if it is excessive and if it is recyclable.  In this packaging lesson students examine and identify waste reduction techniques. 
+
Worksheet
Curated OER

Systems of Equations - Problem Solving

For Students 9th - 12th
In this systems of equations worksheet, students translate word problems into algebraic equations.  They solve system of equations problems dealing with geometry, money, investment, angles and age problems.  This five-page worksheet...
+
Worksheet
Curated OER

Reciprocal Riddle

For Students 8th - 10th
In this reciprocal riddle, learners write equations to match the words.  They compute sum of the reciprocals.  This one-page worksheet contains 1 problem.  The answer is provided at the bottom of the page.
+
Worksheet
Curated OER

The Gambling Problem

For Students 8th - 10th
In this gambling learning exercise, students determine the amount two people made while gambling in Atlantic City.  They identify and compute a factorial and a number squared.  This one-page problem contains 1 problem.  This problem...
+
Worksheet
Curated OER

Addition Subtraction 2

For Students 6th - 10th
In this sum and difference worksheet, students find the sum and differences of equations with whole numbers and variables. Students complete 6 equations.
+
Worksheet
Curated OER

Addition Subtraction

For Students 2nd - 5th
In this sum and difference worksheet, students find the sum and difference of one digit numbers in word form and in number form. Students complete 11 problems total.
+
Worksheet
Curated OER

Find Four Consecutive Integers Whose Sum is 17798

For Students 8th - 11th
In this sum worksheet, students find four consecutive integers whose sum is 17798.  Students could approach this problems using algebraic equations or logically with guess and check.  The solution is provided.
+
Worksheet
Curated OER

Ten Cards Game

For Students 5th - 7th
In this cards game, students play a card game in three rounds.  In the first round, the student's objective is to gather the largest sum of cards.  For round two, students try to gather cards to equal a sum of 50.  In the third round,...
+
Worksheet
Curated OER

Finite Geometric Series

For Students 9th - 12th
In this geometric series learning exercise, students find the nth term in a sequence.  They evaluate a given geometric sequence and determine the number of terms in a geometric series.  This two-page learning exercise contains 26...
+
Worksheet
Curated OER

Guess a Birthday

For Students 4th - 12th
In this birthday worksheet, students perform given algorithms.  Upon performing all problems correctly, the student's final answer will be his/her birthday.  This one-page worksheet contains 8 problems. 
+
Worksheet
Curated OER

Whole Numbers

For Students 7th - 8th
In this whole numbers learning exercise, students write equivalent equations.  This one-page learning exercise contains 10 problems.
+
Lesson Plan
Curated OER

Care Homework #1: Real Numbers

For Teachers 6th - 8th
In this care homework worksheet, students add, subtract, multiply and divide numbers with decimals.  They solve problems involving mixed numbers.  Students find the area and perimeter of triangles and rectangles.  This three-page...
+
Lesson Plan
Curated OER

Estimating and Counting Money

For Teachers 2nd - 4th
Students explore the concepts of estimating and rounding. In this estimating and rounding lesson, students play a game of tic-tac-toe. Students pick items and must estimate their cost by rounding. Students estimate the costs of pretend...
+
Worksheet
Curated OER

Mental Arithmetic Race

For Students 7th - 8th
In this mental arithmetic race, students compute as many arithmetic problems as possible in a given length of time. Problems include whole and decimal numbers. Students mentally divide multiply, and add whole numbers and decimals. This...
+
Worksheet
Curated OER

Addition Square

For Students 6th - 8th
In this addition square worksheet, learners fill in the spaces in a grid to complete a numerical expression. This one-page worksheet contains 9 problems. Answers are provided.
+
Worksheet
Curated OER

Addition and Subtraction

For Students 5th - 7th
In this addition and subtraction activity, students add and subtract three and four-digit numbers with decimals. They justify their answers. This two-page activity contains approximately 12 problems.
+
Worksheet
Curated OER

Lines and Angles

For Students 6th - 8th
In this lines and angles worksheet, middle schoolers identify parallel and perpendicular lines. They demonstrate the characteristics of a straight line. They determine missing angle measurements. This two-page worksheet contains 3...
+
Worksheet
Curated OER

Arithmetic Series

For Students 9th - 10th
In this arithmetic series worksheet, learners identify the first three terms in a given arithmetic series and find the sum of an arithmetic series. This two-page worksheet contains 18 problems.
+
Worksheet
Curated OER

Addition and Subtraction Worksheet

For Students 2nd - 4th
In addition and subtraction worksheet, students find the sum of difference of 30 fill in the blank problems involving numbers between 0 and 20.