Lesson Plan
Curated OER

Justifying Answers

For Teachers 2nd - 3rd
Young scholars study story problems and learn how to find and justify their answers. They will use a story problem and then respond to the prompt questions from the teacher. They must add and subtract facts to 6 and learn how to justify...
Lesson Plan
Curated OER

Problem Solving

For Teachers 2nd - 4th
Scholars will learn to solve word problems using addition, subtraction, multiplication or division. Using a grocery store theme, they will identify the best way to solve real-life problems. There are many ways this basic lesson can be...
Lesson Plan
Curated OER

Investigation - Snack TIme

For Teachers K
Students explore solving addition and subtraction problems. They solve real life problems. Students participate in a simulation activity to find the missing addend. They demonstrate adding and subtracting whole numbers.
Lesson Plan
Curated OER

Counting Seeds

For Teachers K - 2nd
Students practice skip counting strategies, estimation, and higher number addition. They estimate the number of seeds in bell pepper, and count seeds in groups of tens and ones after the teacher removes seeds from the pepper.
Lesson Plan
Curated OER

Multiplying by 10, by 100, and by 1,000

For Teachers 4th
Fourth graders write tenths and hundredths in decimal and fraction notations. In this math lesson plan, learners know the fraction and decimal equivalents for halves and fourths. Everyone answers numerous questions posed by the teacher...
Lesson Plan
Curated OER

Centipede's 100 Shoes

For Teachers 2nd - 3rd
Students solve equations with the help of their teacher. In this simple equations instructional activity, students listen to the story Centipede's 100 Shoes by Tony Ross and use the scenarios given in the book as addition and subtraction...
Lesson Plan
Curated OER

Popsicle Stick Regrouping Fun

For Teachers 2nd - 3rd
Students demonstrate regrouping in subtraction. In this math computation lesson, students use popsicle sticks to practice the regrouping strategy. Students practice several examples of regrouping problems in small groups.
Lesson Plan
Curated OER

Justifying Answers

For Teachers 1st - 2nd
Students demonstrate how to solve word problems. In this problem solving lesson, students use strategies such as drawing pictures, using counters, and making a table to justify how they solved the word problem.
Worksheet
Curated OER

Solving Word Problems

For Students 3rd - 4th
In this math worksheet, students read and analyze 14 real life word problems. Students decide on a strategy and perform the basic addition or subtraction operation. Some can be calculated mentally.
Lesson Plan
Curated OER

Calculator Spelling

For Teachers 6th
Sixth graders practice creating and solving number sentences on a calculator. They interact with number facts, their properties, algorithms and estimation. Each student recognizes inverse relationships of addition, subtraction,...
Worksheet
Curated OER

Use Doubles to Subtract

For Students 1st - 2nd
In this math word problem practice worksheet, students sharpen their math skills as they use problem solving strategies to solve 6 problems.
Worksheet
Curated OER

Write a Number Sentence

For Students 2nd - 3rd
In this number sentences worksheet, students learn to solve the addition and subtraction word problems by writing number sentences for each problem.
Lesson Plan
Curated OER

A Human Number Line

For Teachers 6th
Sixth graders create a human number line through use of symbols, equality, inequality, addition, subtraction, solving equations and inequalities
Lesson Plan
EngageNY

A Focus on Square Roots

For Students 10th - 12th Standards
Pupils learn to solve square root equations and rationalize denominators. Problems include those with extraneous solutions. 
Lesson Plan
EngageNY

Graphing Quadratic Equations from the Vertex Form

For Students 9th - 10th Standards
Graphing doesn't need to be tedious!  When pupils understand key features and transformations, graphing becomes efficient. This lesson connects transformations to the vertex form of a quadratic equation. 
Lesson Plan
West Contra Costa Unified School District

Adding by finding 10's

For Teachers 1st - 2nd Standards
Count with ten frames in a first grade addition instructional activity. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.
Lesson Plan
Willow Tree

Bar Graphs

For Students 9th - 12th Standards
Circles, lines, dots, boxes: graphs come in all shapes in sizes. Scholars learn how to make a bar graph using univariate data. They also analyze data using those bar graphs.
Lesson Plan
Curated OER

Math: Reaching New Heights

For Teachers 6th - 8th
Students apply math skills to assess the range, mean, mode, and median of data sets. Using a "Reaching New Heights" worksheet, they review and discuss how to calculate the answers. Students write complete explanations of all their...
Lesson Plan
Alabama Learning Exchange

Pizza! Pizza! Pizza!

For Teachers 5th Standards
Fifth graders practice using money in everyday situations. They use their addition and subtraction skills as they work in cooperative groups to solve problems involving decimals.
Lesson Plan
Curated OER

Understanding Whole Numbers

For Teachers 4th
In this understanding whole numbers worksheet, 4th graders use a computer program for instruction, then answer 16 problems about addition and subtraction.
Lesson Plan
Curated OER

The School Store

For Teachers 1st - 2nd
Students choose between the operations of addition or subtraction to solve a real life problem. In this addition and subtraction lesson, students make a chart of items sold in the school store. Students then work in teams to apply...
Lesson Plan
Curated OER

Basketball: Number Sense

For Teachers 3rd
Third graders explore their addition and subtraction skills. In this number sense lesson, 3rd graders analyze different scoring possibilities for a basketball game. This lesson incorporates the use a video titled "Blossom and...
Lesson Plan
Curated OER

Adding and Subtracting Bears and Goats

For Teachers 1st
First graders evaluate math problems using farm animals.  In this consumer math lesson, 1st graders discover math problems which concern quantities of farm animals.  Students discover new strategies to help them analyze their...
Lesson Plan
Curated OER

Math: Symmetry and Similarity

For Teachers 6th - 8th
Pupils describe the differences between congruence and similarity. After explaining the motions that indicate congruency of two shapes, they complete worksheets to draw lines of symmetry and similar shapes. With straws and twist ties,...