Curated OER
Inverse Relationship Between Addition and subtraction
First graders review number facts to illustrate the relationship between addition and subtraction. In this inverse relationship instructional activity, 1st graders write an addition sentence and then invert the numbers to show the...
Curated OER
Problem Solving
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 instructional...
Curated OER
Solve Time and Money Word Problems in Everyday Life
Fourth graders solve real life problems involving time and money. They write their own math word problems. Students use addition, subtraction, multiplication and fractions to solve math problems.
Curated OER
How Much?
It's time to go back over all that your class has learned about decimals, fractions, and percentages! To do so, individuals solve story problems that involve addition, subtraction, multiplication, and division with decimals, explain how...
Curated OER
Number Sentences
Fifth graders become familiar with problem solving strategies of guess and check and working backwards. They demonstrate the basic concepts of addition, subtraction, multiplication, and division using a math sentence.
Curated OER
Subtraction Shopping
Students subtract two digit numbers. They check each other's answers for accuracy.
Curated OER
Combining Integers
Seventh graders explore the concept of adding and subtracting integers. In this adding and subtracting integers lesson, 7th graders use white and red beans to demonstrate adding and subtracting integers. Students play an on-line game...
Curated OER
Check Subtraction with Addition
In this subtraction learning exercise, students subtract, then check by adding. Problems are set up side by side, with the correct answer to the addition check noted for the student.
Curated OER
Solve Addition and Subtraction Equations
In this solving addition and subtractions equations practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Investigation - Who is Right?
Third graders explore mathematics by solving problems in groups. In this math functions lesson, 3rd graders demonstrate their understanding of addition and subtraction by completing two digit math problems. Students define a list of math...
Curated OER
Boxes of Patterns- Following the Rule in Addition and Subtraction Patterns
In this addition and subtraction pattern enrichment worksheet, 2nd graders follow the given rule to fill in the pattern boxes. They examine the patterns as they add and subtract with two digit numbers, and write a sentence telling what...
Curated OER
Tear + Net = Gross
Second graders find the net weight of a grocery item by weighing it with the tear. In this weight measurement lesson, 2nd graders bring in cans of food and watch a video about weight measurement. Students review the meanings of gross,...
Curated OER
Adding and Subtracting Mixed Numbers Lesson Plan
Students investigate fractions while adding and subtracting mixed numbers. They discuss how to add and subtract mixed numbers and they practice working with mixed numbers. They complete a worksheet while working with mixed numbers.
Curated OER
Conditional Probability and Probability of Simultaneous Events
Students explore the concept of conditional probability and probability of simultaneous events. In this conditional probability and probability of simultaneous events lesson plan, students roll dice or use and applet to roll dice to...
Curated OER
Story Subtraction
In this story problems worksheet, students solve 5 word problems in which two and three digit numbers are subtracted. There will be regrouping.
Curated OER
Traveling in Style
Students choose a travel destination in another culture, create a list of items needed, obtain prices, and research the climate and traditional clothing in the culture. They create an imaginary travel budgets--with which they calculate...
Curated OER
Make a Match
Second graders examine the relationship between addition and subtraction. In this number sense instructional activity, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators) to...
Curated OER
Addition and Subtraction of Whole Numbers
Fourth graders answer word problems based on the fifty states. In this math word problem lesson, 4th graders understand that differences in problems require different math operations.
Curated OER
Number and Operations: Webbing Our Way Through Numbers
Second graders explore estimation and place value. In this place value lesson, 2nd graders estimate and construct numbers while working with spider activities. Students use addition and subtraction to compare estimates. Resources and...
Curated OER
Naming Numbers
In this addition and subtraction fact families instructional activity, 1st graders write five fact family answers for each of six numbers. In a sample problem, students are instructed to find names for 8. The sample answers are 4+4 and...
Curated OER
Using Doubles to Subtract
In this subtraction worksheet, 1st graders use addition doubling patterns to subtract numbers. For instance, one problem asks students to subtract three from six. They are directed to think that 3+3=6. Students write the answer to 6-3.
Curated OER
Hamburger Lesson
Students examine fractions in this instructional activity. They practice with how to reduce and perform operations on fractions.
Curated OER
Lesson 3: Seven Day Road Trip
Students plan a seven day road trip. In this travel lesson, students plan a driving trip that includes five major cities or attractions in Florida or another state of their choice. They show the trip on a map, calculate distances that...
Curated OER
Arithmetic: Fractions and Percentages
Young mathematicians review the basic operations needed for addition and subtraction of fractions. They review the rules for addition and subtraction of fractions with the same denominator, how to change them if the denominators are...