Illustrative Mathematics
Origami Stars
This one problem concentrates on the important concept of dividing a whole number by a unit fraction. Here, young mathematicians use pictures they draw to help answer this problem. Insight into the connection between multiplication and...
Achieve
Corn and Oats
How much land does a parcel hold? How much fertilizer does it take for a field of corn? Pupils answer these questions and more as they apply ratio reasoning and unit analysis.
Mathematics Assessment Project
Optimizing Coverage: Security Cameras
Are you being watched? Class members determine where to place security cameras protecting a shop. They then evaluate their own and several provided solutions.
California Education Partners
Photos
Why do all sizes of pictures not show the same thing? Class members analyze aspect ratios of various sizes of photos. They determine which sizes have equivalent ratios and figure out why some pictures need to be cropped to fit particular...
Curated OER
Environment: Water & Air
The introduction to the lesson mentions a sailor's limited capacity to store drinking water on his ship. Pupils then set up an overnight experiment to remove freshwater from salt water by distillation. There is a math and map activity to...
Curated OER
Multiplying Decimals and Mixed Numbers
Students multiply decimals and/or mixed numbers. They explore the effects of multiplying decimals and mixed numbers. They practice estimating answers when a number is multiplied by a decimal or mixed number.
Curated OER
Well,Well!
Second graders explore and solve a math word problem that involves a series of single digit additions and subtractions. They brainstorm ways to solve the problem, independently solve the problem using drawings, and discuss the various...
Curated OER
Plan a Cruise Lesson Plan
Young scholars measure distances and report them in fractions, convert fractions to decimals, and multiply decimals.
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
Coin Drop
Students calculate the theoretical and empirical probability by dropping coins on a grid. They record their data and compare the theoretical and empirical data. Students make predictions about the results before conducting the experiment.
Curated OER
Fraction Test: Review of Fraction Concepts
For this fraction concepts worksheet, students complete 6 equivalent fraction problems, calculate the 8 fraction equations to lowest terms, and complete 7 equivalent fraction problems.
Curated OER
Paying for Crime
Learners participate in activties examining ratios and proportions. They use graphs to interpret data showing the government's budget for prisons. They present what they have learned to the class.
Curated OER
Charts and Graphs
Fifth graders interpret data into graphs and percentages. In this organizing data instructional activity, 5th graders discuss bar, circle and line graphs. Students complete bar graph and apply probability using the results.
Curated OER
Science Fair Space
Learners determine the most equitable way to share space and cost between three schools for a fictional science fair. Given a diagram, a word problem, and a data set, students analyze and explain the best way for all schools to share...
Curated OER
Problem-Solving Application: Make a Circle Graph
In this circle graphs worksheet, students analyze a data table about the activities in a day. Students then use this data to make a circle graph. Students answer 6 questions about the graph.
Curated OER
Majority Rules
Students practice the voting process by taking a group vote using fractions or percents. In this voting process lesson, students review the voting process and vote using hands or a private ballot. Students tally the responses to the vote...
Curated OER
Add and Subtract Decimals
In this decimal worksheet, students read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
Curated OER
Rational, Irrational and Square Roots
Learners identify rational and irrational numbers and their use in mathematical functions. Through demonstration, students discover the difference between rational and irrational numbers and their use. Using estimation skills learners...
Curated OER
How Simple Is Your Rational Expression?
Investigate simplifying rational expressions. Learners define rational expressions, review how numerators and denominators are polynomials and complete several problems using a checklist to ensure they don't skip any steps. Work can be...
Curated OER
Beginning Addition Word Problems
In this finding the sums of word problems worksheet, students add the one-digit word numbers and numerals and use the pictures to assist them. Students solve four problems.
Curated OER
Counting on Frank
Eighth graders read a book "Counting on Frank" with a partner. Using the text, they identify eight clues and use their mathematical reasoning in real-life situations. They participate in a game and turn in a notebook in which they write...
Curated OER
Ratio Problems Worksheet 1
Middle schoolers complete word problems dealing with ratios of numbers up to three digits. Pupils complete eight problems.