Curated OER
Hands-On Investigation!
Learners read, analyze, and solve a mystery using problem-solving skills. They explore the History Detective website, discuss the difference between clues and red herrings, complete a dot-to-dot sheet, take notes in a detective...
Curated OER
The New Texas Two-Step
Sixth graders work with mathematical expressions by interpreting, analyzing and problem solving with them. In this two step algebraic problem solving lesson, 6th graders use algebra tiles to solve equations.
Curated OER
A Secret Code
For this addition and subtraction worksheet, students solve for problems to complete the riddle about George Washington. Students solve 20 two digit problems of addition and subtraction with some regrouping necessary.
Curated OER
Writing Number Sentences
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...
Curated OER
Equal Additions
Students explore the relationships between numbers through the use of "equal addition" and "equal subtraction." Through the use of number sense, they are able to computer addition and subtraction problems mentally. Individually,...
Curated OER
Estimation 2: Sum and Difference
In this estimation worksheet, students mentally solve eight multiple choice problems involving addition and subtraction. They arrive at their answers through the process of using compatible numbers or rounding. Students read story...
Education World
Subtraction Practice 0-8
In this subtraction worksheet, young scholars solve a total of 35 problems, using numbers 0-8; a separate link is included for answers.
Curated OER
Whole Numbers Problems
For this math worksheet, students solve 40 word problems involving the basic operations of addition, subtraction, multiplication, and division.
Missouri Department of Elementary
Relationships…Quality Control
Quality relationships don't just happen. They require nurturing, patience, thoughtful communication, and honesty. Help tweens develop these relationship skills with an activity that asks them to themselves and then outline a...
Curated OER
Creative Cats
Students solve joining problems by using cat counters, pictures, and numbers. First, students listen to the story "Pretend You're a Cat" by Jean Marzollo.
Curated OER
Back-To-School Shopping
Fifth graders estimate the prices of items to be bought for back to school. They use catalogs and/or advertisements to research the cost of each of the items. They use problem solving strategies and a spreadsheet template to determine...
Environmental Protection Agency (EPA)
The Case of the Mysterious Renters
Upper-elementary kids examine the water usage in their own home, then use that data to solve a case in which a landlady is trying to determine how many people are living in an apartment being rented. Combine math, scientific method, and...
Utah Education Network (UEN)
Candies R Us
A box is fun to make, especially when it's a candy box! These activities help to cement understanding of the difference between surface area and volume. Have individuals measure the surface area of their box in two-dimensions before...
Institute of Electrical and Electronics Engineers
Sugar Crystal Challenge
Blow your learners' minds with a sweet lesson on nanotechnology that uses sugar to demonstrate the difference nanoscale surface area makes in dissolving and crystal formation. Plenty of supportive background information is read to...
New York State Education Department
TASC Transition Curriculum: Workshop 11
You'll C-E-R a difference in classroom achievement after using a helpful lesson. Designed for economics, civics, government, and US history classes, participants practice using the CER model to craft arguments about primary and secondary...
Curated OER
Problem Solving/ Holistic Lesson Plan: Paper Structure
Students observe geometric relationships in buildings and structures. They reason why structures are constructed in a specific way by applying geometric concepts. They construct a shelter using their geometric knowledge.
Curated OER
Interesting Integers
Young scholars add and subtract integers. In this algebra lesson, students analyze integers using hands on manipulative. They solve problems of addition and subtractions using their signs correctly. They play a game of cards to reinforce...
Curated OER
My Math Curse!
Math novices examine how math can help them in real-world situations. They listen to the book The Math Curse by Jon Scieszka, solve various word problems from the book, explore various math websites, write original math word problems,...
Curated OER
"Reviewing Facts Through 10" Lesson Plan
Explore the joy of math with you little learners! They practice creating math problems with numbers from a fact family using numbers 1-10. They work independently with a set of connecting cubes to aid them in creating number sentences...
Alabama Learning Exchange
Estimation Station: Why Estimating is Better than Guessing
Youngsters discover the difference between estimating and guessing. They estimate how many items are contained in a jar as they read a story. After the story, pupils discover the differences between estimating and guessing and create a...
Curated OER
Use Symbols to Subtract
Students practice crossing out items in a group in order to complete subtraction problems. In this subtraction lesson plan, students watch a PowerPoint presentation and then practice problems on their own.
Utah Education Network (UEN)
Subtracting Integers
Review the concepts of additive inverses and adding positive and negative integers. Relate understanding to the subtraction of integers. This is done with either the use of "Algeblocks" (any square or tile manipulative should do) or...
Curated OER
Counting Petals
Students solve addition and subtraction problems. In this problem solving lesson plan, students solve math problems written on flowers. Using petals as a counting aid, students demonstrate the answer by attaching the correct number of...
Curated OER
Transportation Math
Students practice their problem solving skills. In this addition and subtraction lesson, students solve story problems regarding the delivery of consumer goods.