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Interactive
Curated OER

Simplifying Fractions

For Students 8th - 10th
In this algebra worksheet, students simplify fractions using common denominators. They solve using addition and subtraction. There are 6 questions with an answer key.
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Worksheet
Curated OER

Add and Subtract Whole Hundreds

For Students 2nd - 3rd
In this addition and subtraction worksheet, learners add and subtract whole hundred numbers. Students complete 5 problems on this worksheet.
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Worksheet
Curated OER

Use Negative Numbers

For Students 3rd - 4th
In this problem solving learning exercise, students read and solve 6 story problems pertaining to borrowing and paying back money. Students use instead simple subtraction and addition. No answers will be negative numbers.
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Lesson Plan
Curated OER

Race to 50/100

For Teachers 2nd
Second graders practice utilizing multiple tens frames and dice to race to fifty or one hundred. They calculate tens and ones to find out how many counters they have on their grid and how many more they need to get to fifty or one...
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Worksheet
Curated OER

Order of Operations - Add/Subtract

For Students 6th - 8th
In this order of operations worksheet, middle schoolers complete addition and subtraction problems with parenthesis and 3 and 4 digit numbers. Students complete 9 problems. 
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Lesson Plan
Curated OER

Base 10 Rounding

For Teachers 5th - 7th
Students build two, three, and four digit numbers using base ten blocks and round those numbers. In this rounding numbers lesson, students work in pairs and build numbers using base ten blocks.
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Lesson Plan
Curated OER

Junk Yard Math

For Teachers 3rd
Third graders explore the process of place value and subtraction through regrouping and borrowing exercises. Several activities using manipulatives are utilized in the lesson.
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Lesson Plan
Curated OER

I Want It All!

For Teachers 3rd
Third graders understand the economics of choices in buying. In this goods and services lesson, 3rd graders participate in activities to make choices about purchases. Students write stories, answer questions, and complete worksheets to...
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Lesson Plan
Curated OER

Place Value Popsicles

For Teachers 1st - 2nd
Learners play a place value game using popsicle sticks and dice. They investigate units and tens.
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Lesson Plan
Curated OER

Math Stories 1

For Teachers 2nd
Second graders use technology to draw shapes or select pictues to represent an addition or subtraction equation. They also write the equation, and a story that matches the equations.
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Worksheet
Curated OER

Think of a Number

For Students 4th - 6th
In this math learning exercise, students engage in a mental math activity. Student think a number and follow several computations with that number and always come up with the answer 9. Students discuss why this happens.
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Lesson Plan
Curated OER

Multiple Ways to Add and Subtract

For Teachers 3rd
Third graders recall multiplication facts to tens. They recall factors of numbers generated by multiplication facts to ten. Students become familiar with the use of brackets in notation. They multiply two digit numbers by a single...
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Lesson Plan
Curated OER

How Many Cards Do We Need to Display the Dates of the Month?

For Teachers 3rd - 4th
Students complete activities to study the concept of place value notation. In this place value lesson, students use cards for the days of the month that only number from 1 to 9. Students find a subtraction pattern to determine the amount...
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Worksheet
Curated OER

The Math Lesson 24

For Students 1st
In this math skills worksheet, 1st graders enhance their addition and subtraction skills by solving the 20 pages of double digit equations.
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Lesson Plan
Curated OER

Let's Shop

For Teachers 3rd - 5th
Upper graders add and subtract decimals, using concrete objects and story problems. Note: The Concentration Cards and Homework assignment link at the bottom of the plan doesn't work.
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Lesson Plan
Curated OER

Dinosaur Math

For Teachers 2nd
Second graders practice vocabulary related to measurement, mathematics, and dinosaurs. Using the engaging topic of dinosaurs, learners will calculate various information about dinosaurs and use measurement vocabulary. They will also...
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Lesson Plan
Curated OER

The Good, The Bad, The Ugly

For Teachers 6th
Sixth graders examine the causes of the stock market crash of 1929.  For this integrated math/history unit on the stock market, 6th graders study, research, and read stocks, visit a local bank, and create a PowerPoint to show the...
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Lesson Plan
Curated OER

Book Title: Ten Flashing Fireflies

For Teachers K
This lesson engages learners in a variety of activities to build 1 to 1 correspondence, estimation, and problem solving skills. They discuss problem solving strategies, hear the story Ten Flashing Fireflies, compose their own word...
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Lesson Plan
Curated OER

Career Stories

For Teachers 2nd
Second graders write and solve word problems related to career stories.
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Organizer
Curated OER

Counting and Calculating

For Students 1st - 2nd
In this math worksheet, students follow the basic activities that are shown in the planning guide written for the teacher. The plan is written in the form of a unit.
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Lesson Plan
Curated OER

Unit 2 Sun & Stars

For Teachers 6th - 7th
Students describe stellar objects using terms such as stars, planets, satellites, orbits and light. In this sun and stars unit, students research stellar objects through seven individual lessons discovering star characteristics, how...
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Lesson Plan
Curated OER

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 complete a...
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Lesson Plan
Curated OER

Partial Quotients

For Teachers 5th
Fifth graders examine the partial-quotients algorithm for finding the answer to a division problem.  In this partial quotients lesson, 5th graders demonstrate the process of division through a series of estimations.  Students examine the...
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Lesson Plan
Curated OER

Mathematical Roadmaps

For Teachers 2nd
Second graders observe how a sample math problem is solved on the overhead. They work in small groups to develop a strategy for solving another problem using counters as well as a large sheet of paper to write down their explanation of...