EngageNY
Addition and Subtraction Formulas 1
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 formula...
EngageNY
Addition and Subtraction Formulas 2
Knowing the addition formulas allows for the calculations of double and half formulas. The fourth installment of 16 has the class use the addition formula to develop the double angle trigonometric formulas. Using the double formula,...
Scholastic
Math Word Problems
After reading The Mitten by Jan Brett, youngsters willuse the characters in the story to write word problems for addition and subtraction. For example, they may state that a rabbit had 7 carrots and then lost 2, how many were left? There...
Curated OER
Two-Digit Addition and Subtraction No Regrouping (P)
In this addition and subtraction practice worksheet, students solve 36 problems that require them to add and subtract with 2-digit numbers and no regrouping.
Curated OER
Two-Digit Addition and Subtraction No Regrouping ((Q)
In this addition and subtraction practice worksheet, students solve 36 problems that require them to add and subtract with 2-digit numbers and no regrouping.
Curated OER
Two-Digit Addition and Subtraction No Regrouping (R)
In this addition and subtraction practice worksheet, learners solve 36 problems that require them to add and subtract with 2-digit numbers and no regrouping.
Curated OER
Two-Digit Addition and Subtraction No Regrouping (T)
In this addition and subtraction practice worksheet, students solve 36 problems that require them to add and subtract with 2-digit numbers and no regrouping.
Curated OER
Two-Digit Addition and Subtraction No Regrouping (S)
In this addition and subtraction practice worksheet, students solve 36 problems that require them to add and subtract with 2-digit numbers and no regrouping.
Curated OER
Integer Addition
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...
Curated OER
Butterfly Addition: Color by Numbers
Children learning to add numbers up to 11 develop the strategy of using the larger number as the first addend and counting on from there to find a sum. They define addition and review the meaning of the plus (+) symbol. To practice, they...
Alabama Learning Exchange
Mix it Up! Exploring the Commutative and Associative Properties of Addition
Examine commutative and associative properties with your class. They'll explore the relationships between addition and subtraction and investigate patterns as they solve addition problems. Links to an assessment and a table game are...
Curated OER
Simplifying Expressions (Addition and Subtraction)
Seventh graders simplify algebraic expressions using addition and subtraction to combine like items and solve for the variable. They work with inverse operations to solve equations with guided practice. Everyone completes various...
Curated OER
Checking Addition and Subtraction by Estimation
In this mathematics worksheet, students solve various equations using different methods. They estimate each answer by checking the additions and subtractions given for each. Then, students write in the decision column wither definitely...
Illustrative Mathematics
Kiri's Mathematics Match Game
Learning math is so much more fun when it involves playing games. Following the rules of the classic game Memory, young mathematicians flip over two cards at a time as they look for numbers whose sum or difference is equal to the value...
Curated OER
Primary Understanding and Use of Place Value
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
Alabama Learning Exchange
Ice Fishing is for the Birds
Approach addition with young mathematicians in an engaging way through this penguin-inspired activity. In small groups, scholars think about times they have used addition in their real lives (there are some suggestions given), then watch...
Illustrative Mathematics
The Napping House
How many people and animals can cram into a single bed? Find out with this cross-curricular math and language arts lesson. Following along with a reading of the children's book The Napping House by Audrey Wood, young mathematicians add...
Facing History and Ourselves
Responding to Difference
James Berry's poem, "What Do We Do With a Difference?" launches a lesson that asks class members to consider the ways people respond when they encounter someone different from themselves. After analyzing the poem and discussing how they...
BBC
Simple Addition and Subtraction
Here is a wonderful lesson plan designed for young mathematicians. In it, they employ simple addition and subtraction strategies in order to solve word problems. There are some excellent activity sheets embedded in the plan to make the...
Curated OER
Goldfish Addition and Subtraction
Engage in a hands-on addition and subtraction activity that is a wonderful tie-in with ocean studies. As the teacher, you will make up equations using construction paper and goldfish crackers.
Curated OER
Addition and Subtraction Facts to 20
Fact families, and the relationship between addition and subtraction are the foucs of this lesson. Learners explore strategies to help with their addition and subtraction facts. They use doubles, related facts, and fact families to help...
Houghton Mifflin Harcourt
Addition and Subtraction Facts to 20
First graders act out number stories from number cards. In order to learn about addition and subtraction up to 20 instructional activity, learners become the manipulatives and line up to show the number stories.
PBS
Adding Integers
Your sixth and seventh graders deepen their understanding of a number line and adding integers in this concrete, hands-on activity. Learners play "Warehouse Puzzle" and then discuss their game strategies and the characteristics...
Curated OER
Peanut Math
I really like this clever lesson on using peanuts to help facilitate the learning of addition and subtraction for your young mathematicians. Youngsters use peanuts as "counters" for a variety of math problems that include greater than...
Other popular searches
- Addition and Subtraction
- Addition and Subtraction Codes
- Addition Subtraction
- Addition Subtraction Inverse
- Addition and Subtraction Facts
- Decimal Addition Subtraction
- Addition and Subtraction to 20
- Addition Subtraction Puzzles
- Basic Addition and Subtraction
- Addition & Subtraction
- Addition Subtraction Math
- Addition Subtraction Lessons