Curated OER
Writing Half Reactions
In this half reactions worksheet, high schoolers read about redox reactions and learn how to write half reactions showing the oxidized part of the reaction and the reduced part of the reaction. Students are given 10 redox reactions and...
Curated OER
Measure Your Pencil
Fifth graders use concepts of measurement to record the dimensions of a pencil. The unit of a pencil is used to compare it as part of a larger measurement like a yard. Students convert equivalent fractions accurately. Students also...
Curated OER
Redox Equations and the Half-Reaction Method
Learners review half-reactions and practice balancing redox equations in order to help them solve problems in chemistry.
Curated OER
Fractions: Mud Pie Math
Second graders identify and name fractional parts through the use of mud pie manipulatives. In this fractional manipulatives lesson plan, 2nd graders identify and label halves, thirds, fourths, sixths, eighths, and tenths and order them...
Curated OER
Part-Part-Whole
In this mathematics worksheet, students identify a whole number as a combination of two smaller parts. They use counters to help them add various combinations of numbers.
Curated OER
Himalayan Herds: Fractional Exponential Growth
Young scholars solve problems by identifying exponential growth and decay and differentiating between patterns, relation and functions. In this algebra lesson, students apply concepts of exponential growth to solve problems.
Illustrative Mathematics
Making Hot Cocoa, Variation 2
Learners are introduced to dividing by fractions in a visual way. Setting up groups from the information in the problem allows them to see what we divide and why. Use with the previous lesson, which can be found in Additional Materials,...
Illustrative Mathematics
Using Benchmarks to Compare Fractions
Introduce a new strategy for comparing fractions by analyzing Melissa's use of benchmarks. Walk the class through her process, calling on students to explain their understanding of each step she took. Then practice this method on two...
Super Teacher Worksheets
Improper Fractions & Mixed Numbers
Young mathematicians demonstrate their understanding of part-whole relationships in a fraction skills worksheet. Presented with a series of mixed numbers and improper fractions, learners must correctly convert each of them into...
EngageNY
Linear Equations in Disguise
In the eighth segment of a 33-part unit, learners look at equations that do not appear to be linear at first glance. The equations are proportions where the numerators and denominators may have more than one term. To round out the...
EngageNY
One-Step Problems in the Real World
Mirror, mirror on the wall, which is the fairest resource of them all? Individuals write and solve one-step equations for problems about angle measurement, including those involving mirrors. Both mathematical and real-world problems are...
Illustrative Mathematics
Overlapping Squares
The objective of this activity is to find the percent of the area of a two squares overlapping. Mathematicians find the ratio of area for the part that overlaps to the rectangle formed. The final answer is a percent as a rate per 100....
Illustrative Mathematics
How Many Cells Are in the Human Body?
Investigating the large numbers of science is the task in a simple but deep activity. Given a one-sentence problem set-up and some basic assumptions, the class sets off on an open-ended investigation that really gives some...
Illustrative Mathematics
Centerpiece
Learners hear wedding bells in this problem set, as they help a fictional bride plan the centerpieces for her wedding reception. Algebra is married to geometry as volume, aesthetics, and budgeting all come into play. Learners are...
NOAA
Technology I
Isn't technology great? The 12th installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program introduces technology that marine scientists use. Pupils take part in an activity using conductivity,...
University of California
Containing Communism Abroad
Learn more about the policy of the United States to contain communism during the Cold War. The fifth installment of an eight-part series looks at primary and secondary materials about a challenging time in history. After analyzing the...
Curated OER
Relating Fractions and Decimals
Sixth graders identify how fractions and decimals both illustrate parts of a whole. They estimate which number is greater by comparing them to the given fraction and use greater than or less than symbols for each.
Curated OER
Fractions: Pie
Learners use a pie (circle) to study fractions. They create their own fraction problems and demonstrate to their classmates how to solve the problems. They discuss ways they use fractions in their daily lives.
Curated OER
Fractions!
Second graders observe and design manipulatives showing fractional parts. In this fractional part activity, 2nd graders create a paper hamburger using circle fractions. Students navigate a website to find fractional parts of...
Curated OER
Cartoon Fractions
Students explore mathematics by viewing cartoons. In this math functions instructional activity, students read several "Peanut" cartoons on their worksheets as they solve fraction problems and compare them to the comic strip. Students...
Curated OER
Recognizing Fractions
In this fraction worksheet, students circle the fraction that shows which part of 4 sets is shaded. They write the fraction that names the part of each set that is shaded in the last four examples.
Curated OER
Understanding Rational Numbers and Proportions
Students explore parts of a whole. In this fraction lesson, students determine what makes a fair share. Working with manipulatives, students solve mathematical problems containing fractions.
Curated OER
Flash Fractions 3
Love this! Kids play to practice determining which fraction is larger. Each set of fractions are represented in numeric form as well as how they appear on a fraction circle. This is a great way to show learners the differences between...
EngageNY
Review of the Assumptions (part 1)
What was the property again? Tired of hearing this from your pupils? Use this table to organize properties studied and as a reference tool for individuals. Learners apply each property in the third column of the table to ensure their...