American Chemical Society
Comparing the Amount of Acid in Different Solutions
Upcoming chemists use chemical reactions to determine relative pH in two different acids. This is a terrific lesson for middle schoolers that can stand alone as a practice in precision and lab skills, or as part of the unit on chemical...
Curated OER
Understanding Math Problems
In these word problems worksheets, students read the 2 word problems and check the correct answer for the questions that relate to each problem. Students solve the equations and label their answers. Students then read the last sets of...
Curated OER
Multi step operations
In this multiple step math operation worksheet, students read a math word problem and then solve it. In order to solve the problem, they must work out more than one operation. There are 8 questions and the answers are on the second page.
Curated OER
Challenge: Are We Related?
In this fact families worksheet, students solve 6 problems where students create equations based on fact families and related groups of numbers. Some groups of numbers are not related.
Curated OER
Subtracting Integers
In this mathematics worksheet, 6th graders subtract a number, add its opposite, and explain what opposites are, giving an example of two numbers that are opposites. Then they subtract each integer by adding its opposite.
Curated OER
Puzzle Time: Dizzy Digits
In this math puzzle worksheet, students use their problem solving skills and calculators to solve a 3-part math puzzle that requires them use mixed operations to solve.
Curated OER
Same and Different
For this mathematics instructional activity, students first complete the tens place and then add the rest. Then they continue the patterns and compare each column. Students also fill in the missing addends and solve various word problems...
Curated OER
Busted!
Students play a math game using teacher-created cards that target a specific math skill. They solve the presented equations and check their answers with one another. If they are correct they keep a card, if not the card is discarded.
Curated OER
Physical and Human Geography Review Worksheet and Study Guide
In this geography skills activity, students respond to 30 short answer questions pertaining to physical and human geography.
Curated OER
Choose The Operation
In this choose the operation worksheet, students write when they would use given operations, list words or phrases that help them know when to choose an operation, then solve 2 word problems.
Curated OER
Joining Hands
Second graders explore the inverse relationship of addition and subtraction in a "hands-on" activity based on the fact families of ones, twos and threes.
Curated OER
99.86% - Measuring Our Sun's Mass
Students determine just how large the sun is. In this solar system lesson plan, students follow the prescribed steps to draw a box that represents the size of the sun and its mass compared to the entire solar system.
Curated OER
Arithmetic Artistry
Learners create a classroom quilt that illustrates the many unique ways that students use math skills.
Curated OER
Sound All Around Us
Students make predictions about how sound is formed. They view and discuss a video that explores sound formation and attempt to identify the origin of different sounds.