Curated OER
Punch Mix-up
Fifth graders discuss the relationship between equivalent fractions, ratios, and proportions. In this fraction lesson, 5th graders answer questions about a punch mixture in order to find the ratio of ingredients.
Curated OER
Number: Ratio
Learners explore the concept of ratios. In this ratio lesson plan, students complete a ratio worksheet and play a multiplication game that requires them to solve multiplication facts.
Curated OER
Size Small School
Young scholars explore the concept of scale and ratio. In this scale and ratio instructional activity, students work in groups to measure a given space such as a hallway, office, or gym. Young scholars measure their area...
Curated OER
Proportion Problems
Seventh graders explore the concept of proportions. In this proportions activity, 7th graders determine which offer is the better deal given two pizza offers. Students use cross products to solve proportions. Students write directions...
Curated OER
The Snack Bar
Sixth graders complete a purchase order. In this ratios and patterns instructional activity, 6th graders work in groups to complete a purchase order for a grand opening of the school snack bar. Students use rations to figure out the need...
Curated OER
Percents
Students explore the concept of percents. In this percents lesson, students discuss the prefix cent and words that contain that prefix. Students make bead necklaces and determine the percentages of certain beads in relation to the necklace.
Curated OER
History of Our Solar System Time Line
Ninth graders explore the concept of ratios. In this ratio lesson, 9th graders construct a to scale time line that starts at the beginning of time. Students determine the correct placement of big events in time such as when the dinosaurs...
Curated OER
Ratios
Students explore the concept of ratios. In this ratios activity, students use matchbox cars and models of spaceships to explore ratios. Students determine scale for the above mentioned objects in this lecture style activity.
Curated OER
Ratio, Percent, & Proportions
Seventh graders explore the concept of percents, ratios, and proportions. In this percents, ratios, and proportion lesson, 7th graders have 237 ounces of beads to weigh. Students work in groups to weigh the beads in a way so that each...
Curated OER
Understanding Pi.
Pupils study the relationship between circumference and diameter to come up with Pi. "In this pi lesson, students measure, record and find the ratio "circumference/diameter" and their average which is an approximation of pi.
Curated OER
Remarkable Ratios
For this ratios worksheet, students examine pictures of 12 cartoon characters. Students solve 12 problems in which a ratio is written to show the number of characters with certain attributes compared to the total number.
Curated OER
Leveled Problem Solving Ratios
In this ratios practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Unit 5: Worksheet 2 - Ratios
In this ratio worksheet, students investigate the relationship between the ratio of two sides of similar triangles. Afterwards, they convert fractions, decimals, and percents. This three-page worksheet contains approximately 35...
Curated OER
Tangent of a Point
In this tangent worksheet, students find the tangent of one point when given the length of the sides of a triangle. This one-page worksheet contains ten problems.
Curated OER
Law of Sines
In this Law of Sines worksheet, students use trigonometric ratios to determine angle measurement and/or the length of the side of a triangle. This one-page worksheet contains ten trigonometric ratio problems.
Curated OER
Equivalent Proportions
In this equivalent proportion worksheet, students identify ratios written in three different forms (with a colon, with the word "to" and as a fraction). Students write the ratios as a proportion and then determine their equivalency. ...
Curated OER
Trigonometry Ratios in Right Triangles
In this trigonometry ratios in right triangles learning exercise, 10th graders solve 6 different right triangle problems. First, they find the values of x and y in each triangle, rounding each to the nearest tenth. Then, students locate...
Curated OER
Ratios, Proportions, and Percents - Week 4
In this ratio, proportion and percent worksheet, learners solve problems involving ratios and proportions. They identify the percent of increase and decrease, solve ratio problems with proportions, and find sale prices. This two-page...
Curated OER
Applications, Proportions, and Problem Solving
In this math worksheet, students find the solutions to the problems involving proportions. They also compare the similar triangles.
Curated OER
Three Bean Salads
In this math learning exercise, student compare the recipes for three different salads. Using the concepts of percents and proportions the amount of beans is calculated.
Curated OER
Introduction To Ratios
Students engage in a lesson that is involved with ratios. They use the jigsaw in order to actively take part in the lesson. Students play the game with the ratio puzzle pieces. The puzzle is completed while using the follow up exercises.
Curated OER
Are You a Golden Ratio?
Students explore the concept of the golden ratio in nature and architectural design. They discuss examples such as petals on a sunflower and the Parthenon. In small groups they take turns measuring their body parts to find a golden ratio.
Curated OER
Proportionality: The X-Plane Generation
Students meet NASA researchers who describe the relationship between force, energy and motion. They discuss how NASA's experimental X-plane is being tested to make space travel more reliable and show how proportionality and ratios are...
Curated OER
Cuisenaire Fractions
Students study fractions by comparing rations using Cuisenaire rods. They make predictions, measure lengths using Cuisenaire rods and explain their answers. Next, they discuss the relationship of the different rods in terms of their...