Lesson Plan
Curated OER

Adding and Subtracting Mixed Numbers Lesson Plan

For Teachers 4th - 5th
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.
Worksheet
Curated OER

Negative Numbers Practice Sheet

For Students 4th - 5th
Fourth and Fifth graders should benefit from this negative and positive number addition worksheet. There are 90 problems to solve; each has a negative number plus a positive number. There are also a few subtraction problems sprinkled in...
Worksheet
Curated OER

Morning Math

For Students 1st - 3rd
Mornings can be hard with sluggish mathematicians. Get them thinking using this set of 14 morning math problems. Pass these out or simply project them and have students complete individual problems in their notebooks. Skills include...
Lesson Plan
Curated OER

How Many More?

For Teachers Pre-K - 1st
Students complete subtraction problems where they use goldfish crackers as their manipulatives in the problem. For this subtraction lesson plan, students use words and pictures to also show their problems.
Worksheet
Curated OER

Summer Packing

For Students 4th
In this problem solving worksheet, 4th graders write four problems that can be solved. Students use the information provided in order to create problems that can be solved using multiplication, division, addition, and subtraction. The...
Worksheet
Curated OER

What Numbers Do Digits Represent

For Students 4th - 6th
In this place value worksheet, students write down the value of the number underlined in the larger numbers. For example, 390 945 will be provided and students write down 40. They then use a calculator to solve addition and subtraction...
Lesson Plan
Curated OER

Math: Mental Math

For Teachers 5th - 8th
Students investigate tips for calculating math problems mentally.
Worksheet
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Check Subtraction

For Students 3rd - 4th
In this subtraction worksheet, students enhance their subtraction skills by solve the six word problems and then checking their subtraction with addition.
Lesson Plan
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Dinosaur Math

For Teachers 2nd - 4th
Students read How to Train with a T.Rex and Win 8 Gold Medals and solve math problems.  In this dinosaur math lesson, students write a math story to go with the dinosaur story.  Students discuss the needed strategies. Students...
Lesson Plan
Curated OER

All A-buzz About Math

For Teachers 2nd
Second graders participate in Math-Eze activities to comprehend word problems. In this word problem lesson, 2nd graders recognize why a hexagon is the best shape for a beehive. Students calculate how far bees must travel to find 2 lbs....
Worksheet
Curated OER

Fourth of July Add or Subtract Worksheets

For Students 3rd - 4th Standards
There are actually two Independence-Day-themed worksheets in this resource. Patriots solve three-digit addition and subtraction problems, then find the letter from the key that corresponds to each of their answers. As they place each...
Worksheet
Curated OER

Number Search Y4: Make 12

For Students 3rd - 5th
In this number search worksheet, learners find and highlight at least 12 addition, subtraction, multiplication and/or division math problems that make the sum of 12.
Worksheet
Curated OER

Significant Figures: Part Deux

For Students 9th - 12th
In this significant figures worksheet, high schoolers solve addition, subtraction, multiplication and division problems and express their answers with the proper number of significant figures.
Worksheet
Fuel the Brain

Counting Money

For Students 1st - 3rd
How much money do the children in these word problems have? Through addition and subtraction with the help of visual representations drawn by your pupils, they will understand these skills better.
Worksheet
Curated OER

The Ditionary Trick

For Students 9th - 12th
In this secondary mathematics worksheet, high schoolers investigate a riddle involving the use of the dictionary and subtraction of three digit numbers.  The one page worksheet contains one problems with an explanation of why the...
Lesson Plan
Curated OER

Equations in the Park

For Teachers 3rd - 4th
Students explore algebraic concepts using real life situations.  In this equations lesson, students develop strategies to solve missing number problems. Students participate in a board game based on algebraic equations.
Worksheet
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Subtracting Money

For Students 2nd - 3rd
In this finding the money differences worksheet, students subtract three-digits from three-digit numbers with and without regrouping. Students solve 20 problems.
Lesson Plan
Curated OER

Centipede's 100 Shoes

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

Subtracting Integers

For Students 5th - 6th Standards
In this subtracting integers activity, students use 9 integer lines to help them solve 9 math problems that require them to subtract positive and negative numbers.
Lesson Plan
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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

Determining Angle Measure with Parallel Lines

For Teachers 9th - 12th
Students observe and solve examples of corresponding angle postulates, alternate interior angle theorems, and exterior and consecutive angles. They complete the Determining Angle Measure With Parallel Lines worksheet.
Lesson Plan
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Adding And Subtracting Decimals

For Teachers 4th - 5th
For this adding and subtracting decimals worksheet, students, with a partner, problem solve and calculate the answers to ten addition and subtraction equations or word problems.
Lesson Plan
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Rays and Angles

For Teachers 9th - 12th
Learners view examples of a ray, opposite rays, collinear rays, angles, and straight angles. They discuss and demonstrate how to use a protractor and complete worksheet problems on rays and angles.
Lesson Plan
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Grade 2: Texas Problem Solving

For Teachers 2nd
Second graders use numerical data about Texas to write and solve real-life problems involving addition and subtraction (or multiplication and division). They work in pairs to choose three numerical facts about Texas to use to make up...