Worksheet
Curated OER

Adding Negative Numbers

For Students 7th - 9th
In this algebra worksheet, students add and subtract negative numbers using their negative signs correctly. There are 27 problems dealing with adding negative numbers.
Worksheet
Curated OER

Addition: Getting To Ten Then Adding The Rest

For Students 2nd - 3rd
For this addition worksheet, students first write the 2 numbers in an addition problem that add up to 10, then write the answer by adding 1 additional number to 10.
Lesson Plan
Curated OER

Fraction Strips: Adding Fractions

For Teachers 3rd
Third graders problem solve using fraction strips. In this adding fractions lesson plan, 3rd graders create fraction strips to help identify fractional sizes (fourths, eighths, thirds) and to solve word problems.
Printables
Curated OER

Common Core State Standards 1st Grade Math

For Teachers 1st Standards
Here are the complete set of the math practice standards and the Common Core standards for first grade. They cover operations & algebraic thinking, operations in base 10, measurement and data, and geometry. Illustrated nicely with...
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. 
Lesson Plan
Curated OER

Value And Perspective

For Teachers 6th - 9th
Pupils investigate the values of light and darkness. They see how they can be mixed in ways to compliment one another. The use of this method is for giving a picture a perspective to be appreciated. They use computer software as an...
Worksheet
Open Text Book Store

Arithmetic for College Students: Worksheets

For Students 5th - 7th Standards
Loaded with concepts ranging from multiplying decimals to converting units to solving problems using the order of operations, a thorough practice packet is perfect for a fifth or sixth grade math classroom.
Lesson Plan
Curated OER

Two Digit Addition with Regrouping

For Teachers 1st - 3rd
Students explore the concept of "regrouping." In this 2-digit addition with regrouping lesson plan, students create visual representations of combinations that equal ten using a tens frame. Students use manipulatives to represent the...
Worksheet
Curated OER

Mountain Math Worksheet

For Students 5th
In this number sense worksheet, 5th graders solve 37 problems based on a given number. Students are asked to round the number, identify the number as even or odd and add 100 to the number.
Lesson Plan
Curated OER

the Whale Game

For Teachers Pre-K - 6th
Students listen to whale stories and answer addition and subtraction problems in the stories.  In this addition and subtraction lesson, students receive 20 goldfish.  Based on the story they eat the goldfish. Students write...
Worksheet
Curated OER

Today's Number

For Students 2nd - 3rd
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.
Lesson Plan
Curated OER

Integer War Game

For Teachers 5th - 6th
Review adding, subtracting and multiplying integers using this activity. Learners play a game using a deck of cards in which the black ones are positive and the red ones are negative. They add, subtract, etc . . . based on the...
Worksheet
Curated OER

Addition and Subtraction of Decimals

For Students 5th - 6th
In these decimal skills worksheets, students solve the equations and word problems using addition or subtraction. Students then solve the decimal equations and word problems using addition or subtraction.
Worksheet
Curated OER

The Math Lesson 7

For Students K - 2nd
For this addition and subtraction practice worksheet, students use their problem solving skills to solve 200 problems that require them to add and subtract single digit numbers.
Worksheet
Curated OER

Problems With Arithmetic

For Students 4th - 5th
In this money word problems learning exercise, students solve 10 problems in which money is added and subtracted. Note: This is English pounds and pence.
Lesson Plan
Illustrative Mathematics

Discounted Books

For Teachers 6th - 8th Standards
Adolescents love to shop, especially when an item is discounted. Here, shoppers only have a set amount of money to spend. Will they be able to make a purchase with the discount and tax added in? Percent discounts can be calculated...
Worksheet
College Preparatory Mathematics

Using Elimination To Find the Point of Intersection of Two Lines

For Students 7th - 9th Standards
Two example problems are solved on the first page using the elimination method with a pair of linear equations. Detailed explanations accompany the math. The second page provides 20 practice problems and their answers. This would be a...
Lesson Plan
Curated OER

Book Title: You Can’t Buy a Dinosaur with a Dime

For Teachers 3rd - 4th
Students explore the concepts of multiple digit addition and subtraction. For this addition and subtraction lesson, students read the book You Can’t Buy a Dinosaur with a Dime and then discuss methods for solving a particular math...
Worksheet
Curated OER

Complex Numbers

For Students 9th
In this complex numbers worksheet, 9th graders solve 10 different problems that include either adding or subtracting complex numbers. First, they determine the sum of the real components. Then, students determine the sum of the imaginary...
Worksheet
Curated OER

Magic Math Morning Work

For Students 1st - 2nd
In this fact families worksheet, students solve 10 problems in which single digits are added with sums to ten. Students then check each problem using subtraction.
Worksheet
Curated OER

Magic Math: sums of 2

For Students 1st - 3rd
In this addition instructional activity, students add one digit numbers to the number 2 and check it with the subtraction fact. Students complete 10 problems.
Lesson Plan
Curated OER

Rational Expressions

For Teachers 8th - 9th
In this rational expressions worksheet, young scholars solve and complete 10 different problems. First, they find the common denominator in each problem. Then, students simplify by either adding or subtracting depending on the sign shown...
Lesson Plan
Curated OER

Dream Home Mathematics

For Teachers 6th
Explore the concept of budgeting with sixth graders. They will pick a career on note card made by the teacher. They then use the information on the card such as salary, expenses, and career to create a life for themselves. They also...
Activity
Illustrative Mathematics

Building toward fluency

For Teachers 2nd - 3rd Standards
Here is a great learning task that focuses on the development of areas in computational fluency including strategies in mental math. Young learners are guided through a list of addition expressions that help them visually understand the...