EngageNY
Population Problems
Find the percent of the population that meets the criteria. The 17th segment of a 20-part unit presents problems that involve percents of a population. Pupils use tape diagrams to create equations to find the percents of subgroups...
CCSS Math Activities 
Smarter Balanced Sample Items: 7th Grade Math – Target A
How do you know if your pupils have a deep understanding of proportional relationships? Assessment is key! A helpful series starts with questions on proportional relationships modeled after the Smarter Balanced Assessment items....
Willow Tree
Circle Graphs
Pie isn't just for eating! Scholars learn to create pie charts and circle graphs to represent data. Given raw data, learners determine the percent of the whole for each category and then figure out the degree of the circle that percent...
Curated OER
Practice: Word Problems
Congratulations, you've just hit the word problem jackpot! Covering an incredible range of topics from integers and fractions, to percents, geometry, and much more, this collection of worksheets will keep young mathematicians...
Curriculum Corner
7th Grade Math Common Core Checklist
With so many math standards to fit into a school year, it can be difficult keeping track of what you have and have not covered. This collection of Common Core checklists allows you to maintain a running record of when each...
EngageNY
Changing Scales
Pupils determine scale factors from one figure to another and the scale factor in the reverse direction. Scholars compute the percent changes between three figures. 
EngageNY
Margin of Error When Estimating a Population Mean (part 1)
We know that sample data varies — it's time to quantify that variability! After calculating a sample mean, pupils calculate the margin of error. They repeat the process with a greater number of sample means and compare the results.
CCSS Math Activities 
Smarter Balanced Sample Items: 7th Grade Math – Claim 3
Does the explanation make sense? Sample items highlight claim three, communicating reason, in the Smarter Balanced assessments. Teachers use the 16 items to help show pupils the importance of communication and reasoning within...
Inside Mathematics
Coffee
There are many ways to correlate coffee to life, but in this case a worksheet looks at the price of two different sizes of coffee. It requires interpreting a graph with two unknown variables, in this case the price, and solving for...
Kenan Fellows
Isotopic Pennies
Many people confuse atomic mass and atomic numbers. The sixth of seven lessons in a unit requires scholars to find the weight of different groups of pennies. Then, they must solve how many of each type of penny exists in a closed system...
Balanced Assessment
Who's Left?
If you're not right-handed, are you wrong-handed? Young statisticians calculate the percentage of left-handed people using a given data set in the assessment task. They plot data on a scatter plot and consider how the line of best fit...
Curated OER
Leveled Problem Solving: Percents and Proportions
In this percent/proportions activity, students solve a set of 6 short word problems; all problems involve percent and/or proportions.
Curated OER
Percent Equations
In this percent equations worksheet, 6th graders solve and complete 9 different types of problems. First, they find the value of each percentage provided. Then, students determine the percentage of a given number.
Curated OER
Ratio and Proportions
Learners explore the means and extremes of a proportion, the how to make a scale drawing.
Curated OER
What is the connection between rice and estimation?
Sixth graders investigate estimating. In this estimating lesson, 6th graders estimate how much rice is eaten around the world. Students estimate the percentages of rice eaten by other countries. Students compare rice production to...
Curated OER
Normal Curve Areas
In this normal curve areas worksheet, students follow 6 steps to compute the probability regarding the possible sample of proportions using a large sample population. First, they label the Ps-scale with the proportion and corresponding...
Curated OER
Finding Total Given Part and Percentage
Learners observe models of fractional parts.  After writing the definitions of percent, part and whole, students use the calculators and computers to solve problems.  Individually, they complete assigned problems where the convert the...
Curated OER
What proportion of rough rice is prepared into consumable rice?
Fifth graders find the percentages of rough rice that can be eaten. In this percentage lesson, 5th graders look at 100 lbs. of rough rice and see the steps needed before it can become the white rice sold in stores. They find the...
Curated OER
Fractions, Decimals and Percentages
In this fractions, decimals, and percentages worksheet, students compare and order given amounts. Students identify equivalent numbers. They calculate the percent of a given number and convert from a fraction to a percent and to a...
Raytheon
Probability, Percent, and Proportion
In this probability and predictions learning exercise, students read 1 page of facts, then solve 8 pages of problems related to probability, with answers keys included.
Curated OER
60-30-10
Students use ratios and proportions to represent quantitative relationships as they investigate the concept of how percentages are used by designers. Students decorate the same room using three different percentages of colors.
Curated OER
Empirical Rule Practice Problems
Using the empirical rule for a normal distribution, young statisticians determine the percent of adult women with given heights and weights. They find the percentile rank of a woman of a stated height and find the area under a curve.
Florida Center for Instructional Technology
Integrating Mathematics into Literature
You class will read Cucumber Soup by Vickie Leigh Krudwig as an anticipatory set for this lesson on ratios. They make models of the insects in the story and then use them as a source of data for this ratio and proportion lesson. This...
Curated OER
Stoichiometry
For this stoichiometry worksheet, students use balanced equations for chemical reactions to determine the percent yield and the mass of product produced. This worksheet has five problems to solve.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
