Curated OER
Fantastic Fractions
Pupils work in small groups to find pictures that represent the fractions 1/2, 1/3, and 1/4. They paste their examples onto bulletin board paper and share their results with the rest of the class.
Curated OER
Understanding Chemical Hazard Labels and MSDS
In this chemical hazard labels and MSDS activity, students read and interpret chemical hazard labels and MSDS. Then they use the documents given to respond to several questions about chemical hazard labels. Students identify the...
Curated OER
Multiplication Table: Facts From 1-12
In this multiplication worksheet, students complete a multiplication table with facts from 1- 12. There are some numbers provided as hints.
Curated OER
Types of Data
In this data chart instructional activity, students read the directions and study the examples to learn the difference between qualitative, quantitative, discrete and continuous data. Students answer 24 questions. This page is intended...
Curated OER
Hector's World - Lesson Plan Episode 3 - "It's a Serious Game"
Students analyze how to tell if an adult is trustworthy. In this trustworthiness lesson, students watch an episode of "Hector's World" and discuss how to tell if an adult is trustworthy or not. They draw a picture of a person who they...
Key Stage Fun
Squeebles Maths Bingo
The math monster has scared away all the ice cream parlor's customers and taken the ice cream ingredients. Only an accomplished math bingo player can save this ice cream business.
Curated OER
Addition Strategies: Compensation
In this math instructional activity, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.
Curated OER
Tortillas
Middle schoolers convert recipes for tortillas. They calculate the amounts of ingredients as they convert recipes and write an explanation of the task to demonstrate their calculations. After reviewing their calculations, they...
Curated OER
A Beginning Look at Basic Algebra-Lesson 1-12
In this Algebra I worksheet, 9th graders explore the basic of beginning algebra: the order of operations, integer operations, translating phrases and sentences, and solving basic one-step equations. The six page worksheet contains...
Curated OER
Math Maven's Mysteries
In these story problem worksheets, students read the story problem 'The Case of the Hatcher Hotel Heist' and use the information within the story to help them solve the problem. Students use addition and subtraction to find the next room...
Curated OER
Hands On Math Lessons with Technology
Students explore a variety of math concepts. In this integrating technology lesson, students visit online webtools such as Max's Math Adventure, I Know That Math, Hands on Banking, and more. A description of each website is provided.
Curated OER
Math Game Using A Tic-Tac-Toe Board
Elementary schoolers play a math game using a Tic-Tac-Toe Board. This simple idea can be used with virtually any grade level. A team of learners are the "O's," and the other is the team of "X's." Each time a team gets a problem correct,...
LABScI
Atomic Structure and the Periodic Table of Elements: The Secret Agent Lab
Food always gets attention! Model atomic structure using fruit loops to represent the subatomic particles. After building models, scholars create ionic bonds using their models. Finally, they use these concepts to create a periodic table.
Primary Resources
Primary Resources: Basic Addition and Subtraction
An extensive collection of teacher resources to help in teaching and reviewing the concepts of basic addition and subtraction. There are many worksheets, activities, PowerPoint presentations, smartboard activities, Word, Excel, and pdf...
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting Missing Number
[Free Registration/Login may be required to access all resource tools.] The resource is a video showing students how to find a missing number in a multi-step addition and subtraction problem using inverse operations. Adaptive practice...
CK-12 Foundation
Ck 12: Elem Math: Adding, Subtracting, and Multiplying Missing Number
[Free Registration/Login may be required to access all resource tools.] A learning module where students must apply the order of operations to find the missing numbers in equations involving addition, subtraction, and multiplication. A...
Khan Academy
Khan Academy: Addition & Subtraction: Find the Missing Value
Practice finding the missing value in an addition or subtraction equation involving negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Addition & Subtraction: Find the Missing Value
Practice finding the missing value in an addition or subtraction equation involving negative numbers.
CK-12 Foundation
Ck 12: Elem Math: Selecting the Incorrect Subtraction Sentence Ii
[Free Registration/Login may be required to access all resource tools.] The video shows how to finding the missing number in a two-digit subtraction problem by working backwards. The video is followed by a series of practice questions to...
CK-12 Foundation
Ck 12: Elem Math: Finding the Subtraction Sentence by Pattern Numbers Up to 20
[Free Registration/Login may be required to access all resource tools.] The video shows how to find a pattern in a series of subtraction problems to determine the missing problem in the set. The video is followed by additional problems...
CK-12 Foundation
Ck 12: Elem Math: Completing the Subtraction Sentence Numbers Up to 20
[Free Registration/Login may be required to access all resource tools.] The video shows how to use a model to determine the missing number in a subtraction problem. The video is followed by practice problems to assess student...
CK-12 Foundation
Ck 12: Elem Math: Completing the Subtraction Sentence Numbers to 100
[Free Registration/Login may be required to access all resource tools.] The video describes how to fill in a missing number in a 2-digit subtraction sentence. The video is followed by practice problems to assess student understanding of...
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting With Parentheses
[Free Registration/Login may be required to access all resource tools.] The resource includes a video tutorial on how to find a missing number in a multi-operational problem by working backwards. The video is followed by practice...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.