CK-12 Foundation
Proportions Using Cross-Multiplication: Proportions Using Cross Product
Don't get it crossed—the resource is a great one. Scholars read and watch a video that explains proportions and cross products. They then use an interactive to determine that cross products are equal and answer a set of challenge...
Curated OER
Study Buddies - Proportions
Middle-schoolers solve various problems related to proportions. They write ratios in word form and then, replace the words with numbers. Pupils also write an equation in which they will cross-multiply to solve the proportion. This is an...
Curated OER
Fractions II
Learners reduce fractions to their simplest form. They divide and multiply when needed in order to convert each fraction. This is a quick and easy way to review this skill.
Curated OER
Countdown Challenge: Shadow Sleuth
In this shadow sleuth worksheet, students use proportions and indirect measurement to determine the measurement of given objects. This one-page worksheet contains three problems.
Curated OER
Ratios, Proportions, and Cross-multiplication
Students use cross-multiplication to find the unknown respiration rate of an astronaut. In this multiplication lesson plan, students also use the same process to find missing values in proportions.
Curated OER
Multiplying Fractions
In this general mathematics worksheet, students multiply fractions, including whole numbers and mixed numbers. The one page interactive worksheet contains five problems. Solutions and answers are provided.
Curated OER
Rational Numbers
For this rational numbers worksheet, students solve and complete 25 different problems that include identifying numerous types of rational numbers. First, they place a greater than, less than or equal to symbol between the fractions to...
Newspaper Association of America
By the Numbers: Mathematical Connections in Newspapers for Middle-Grade Students
A cross-curricular resource teaches and reinforces mathematical concepts with several activities that use parts of a newspaper. Scholars use scavenger hunts to find the different ways math is used in the paper along with using data...
Curated OER
Just Look at Our Shoes
Students complete cross-curricular activities using a shoe theme. In this cross-curricular lesson, students explore various systems, examine open and closed systems, and examine product life cycles.
Mathematics Assessment Project
Comparing Strategies for Proportion Problems
Having problems with proportions? Then solve these proportion problems with an exercise that asks learners to first individually solve a set of problems involving ratios and proportional reasoning. Groups then discuss provided sample...
Curated OER
Fraction Equations: Multiply and Divide quiz
In this fraction equations worksheet, students solve problems where they multiply and divide fractions. Students complete 14 problems.
CK-12 Foundation
The Percent Equation: Soccer Stadium
A soccer-themed interactive challenges mathematicians to solve five questions involving percent equations. Question types include multiple-choice, fill in the blank, true or false and a discussion. A color-coded stadium with movable...
Curated OER
Comparing Ratios
Students solve problems using ratio and proportion. In this math comparison lesson, students identify methods used to solve and compare ratio and proportion in the real world. They apply criss cross multiplying to solve their problems.
Curated OER
Whatever You do to One Side, You Must do the Other
In this solving linear equations worksheet, students combine like terms to solve 9 equations. Students solve 8 proportion problems by cross multiplying.
Curated OER
Our Solar System to Scale
Students calculate the diameter of planets and their relative distances. In this space science lesson plan, students discover how small or big the planets are in comparison to each other. Students use cross multiplying fractions to find...
Curated OER
Proportion Problems
Seventh graders explore the concept of proportions. In this proportions instructional activity, 7th graders determine which offer is the better deal given two pizza offers. Students use cross products to solve proportions. Students...
Curated OER
Fickled Fractions
Students explore which fractions are made real in our world. They also show the relationship of cross multiplication and equivalent fractions To reinforce fraction skills.
Curated OER
Liquid Killer
Young scholars explore number sense applications and discuss strategies for multiplication and division using mental math. For cross-curricular purposes, they explore causes and effects of inequality and social injustice. Students...
Curated OER
Exploring Chords: Products of Chord Segments
Students identify the properties of chords. In this geometry lesson, students multiply chord segments to find the solution to their problem. They construct two chords that cross on a circles.
Willow Tree
Direct and Inverse Variations
Enhance pupil understanding of proportions and variable relationships by studying direct and inverse variation. Use the idea of a proportional relationship to teach direct variation. Then use a similar pattern to help individuals...
Curated OER
Ratio and Proportion: Basic Operations and Applications
Learners explore example problems dealing with ratios and proportions. Afterward, they read story problems and solve them using ratios and proportions. This four-page worksheet contains six multi-step problems.
Curated OER
Add and Subtract with Unlike Denominators
In this adding and subtracting with unlike denominators worksheet, learners add and subtract fractions with unlike denominators. They complete six problems.
Curated OER
Shots, Standings, and Shopping
Rates and ratios can easily be applied to real-world situations. Learners explore a series of websites in order to procure comparable data. They define ratios and rates, view videos, and use the internet to explore how ratios and rates...
Curated OER
Chapter 7 Test
In this decimal, fraction, and percent review learning exercise, middle schoolers solve 25 short answer problems. Problems cover a variety of decimal, fraction, and percent applications.
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