Lesson Plan
Curated OER

Operations for Problem-Solving

For Teachers 7th - 9th
Learners examine a problem and develop the best method to arrive at the solution. In this math lesson, students apply basic math skills by coming up with the correct steps to solve a word problem. ...
Worksheet
Curated OER

Estimating Sums and Differences

For Students 4th
In this estimation worksheet, 4th graders estimate the sum or difference of 15 math problems. Students write their answers underneath each math problem on the worksheet.
Worksheet
Helping with Math

#6: Addition and Subtraction Equations (2 of 2)

For Students 7th - 8th Standards
This printable contains 12 basic equations to be solved. The first one is worked out as an example, and the answers for all can be found by clicking on a "Show Answers" box found on the website. The publisher has identified this as...
Lesson Plan
Curated OER

Solving Inequalities By Using Addition And Subtraction

For Teachers 7th
Seventh graders solve inequalities using addition and subtraction. They write number sentences based on word problems.
Worksheet
Curated OER

Addition and Subtraction within 10

For Students 1st
In this addition and subtraction worksheet, 1st graders add and subtract in word problems up to the number 10. Students complete 20 problems total.
Lesson Plan
Curated OER

Adding and Subtracting With Negative Numbers

For Teachers 5th
Fifth graders access prior knowledge of calculating using a number line. For this adding and subtracting with negative numbers lesson, 5th graders use a number line to solve math problems.
Lesson Plan
Curated OER

Balancing Number Sentences to Introduce Missing Values

For Teachers 4th - 7th
Students balance number sentences to learn about missing values. For this balanced equations lesson, students use the word problem to study missing values. Students watch a video about the topic and play two games about balancing...
Worksheet
Curated OER

Problem-Solving Decision: Explain Your Answer - Reteach

For Students 3rd
In this problem solving worksheet, 3rd graders solve 3 word problems in which they add or subtract with three digit numbers. They write an explanation of how they solved the problem.
Lesson Plan
Willow Tree

Number Properties

For Teachers 7th - 10th Standards
The number of basic algebraic properties can become overwhelming for learners. A lesson explains and gives examples for all the basic algebraic properties. The resource is perfect to use as a way for pupils to organize and...
Lesson Plan
West Contra Costa Unified School District

Lowest Common Multiple through the Grades

For Teachers 8th - 10th Standards
The LCM will be your new BFF. Learners review least common multiple and least common denominator applications, mostly on fractions, from middle school. Scholars then see how the LCM can be applied to various types of problems from...
Worksheet
Curated OER

One More or One Less?

For Students K - 2nd Standards
Hook new mathematicians with a candy-themed approach to addition and subtraction. They examine 10 numbers (not exceeding 19) printed on candy wrappers. For each, learners calculate and record numbers with values one more and one...
Lesson Plan
Curated OER

Going Graph-y

For Teachers 2nd
Second graders listen to and dicuss the story Where the Wild Things Are. They play a pantomime game and act out various feelings so their classmates can guess. They listen for the frequency of certain words, and record their findings on...
Lesson Plan
Curated OER

Math In Everyday Life

For Teachers 2nd - 3rd
Second and third graders solve word problems involving both time and money. First the class works together to solve basic addition, subtraction, multiplication, and simple fraction problems (these examples are provided). After solving...
Worksheet
Curated OER

Add and Subtract within 100

For Students 1st - 2nd
Practice problem solving with 10 word problems. Learners are encouraged to draw to solve each of these simple addition and subtraction word problems. Note: There are typos and some of the problems are awkwardly worded.
Lesson Plan
Curated OER

Mayan Math

For Teachers 5th
Fifth graders investigate the Maya's as mathematicians. In this Mayan math lessons, 5th graders work with the ancient Mayan numbering system by comparing it to the American Number System. They tell the differences and similarities...
App
ABCya

Math Bingo

For Students 3rd - 6th Standards
It's sometimes the simple games that really grab a learner's attention. With this game-like app, young mathematicians can practice addition, subtraction, multiplication, and division facts. When they reach new high scores, they collect...
Lesson Plan
Curated OER

Functions

For Teachers 5th
Fifth graders explore mathematics functions. In this functions lesson, 5th graders explore 1 and 2-step functions involving addition, subtraction, multiplication, and division. Students also practice solving problems that their...
Worksheet
Curated OER

Math Center: Fishing

For Students 1st - 2nd
In this math activity, learners reinforce addition and subtraction facts 0 to 12 by collaborating in a fishing game. Students fish for numbers with a magnet and create a math sentence, flipping a coin to determine the operation used....
Lesson Plan
Curated OER

Number Line Locomotion

For Teachers K - 2nd
Here is a great lesson that incorporates movement into academic learning. Pupils improve addition subtraction skills by using number lines and locomotor movement.
Worksheet
Curated OER

Make 80

For Students 4th - 6th
In this addition worksheet, students solve 15 addition and subtraction problems using 2-digit numbers. The answers are on the second page.
Lesson Plan
Curated OER

Addition and Subtraction Pick n Mix 2

For Teachers 4th
Fourth graders practice a wide range of strategies for solving addition and subtraction problems containing decimal fractions. They add and subtract fractions, decimals and integers while generalizing the properties of operations with...
Lesson Plan
Curated OER

Mathematics Lesson Plan

For Teachers 2nd
Second graders study subtraction facts. In this mathematics lesson, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such as using...
Worksheet
Curated OER

The Year Game: Writing Number Expressions

For Students 7th - 12th
In this year game worksheet, students write expressions for the counting numbers one through 100 using only digits in the curent year.  They do so using only the digits in the current year and using addition, multiplication,...
Lesson Plan
Curated OER

Writing Number Sentences

For Teachers 6th - 8th
Students practice writing number sentences. After reading real world problems, they describe the same situation by writing a number sentence. Students use algebra tiles, or counters, to demonstrate the use zero pairs in solving...