EngageNY
Why Were Logarithms Developed?
Show your class how people calculated complex math problems in the old days. Scholars take a trip back to the days without calculators in the 15th installment of a 35-part module. They use logarithms to determine products of numbers and...
T. Smith Publishing
Finding Percentages 6A
A list of 20 two to three-digit numbers asks math whizzes to determine specified percentages for each. The publisher has linked the assignment to CCSS.Math.Content.6RP.3, and it is targeted at the discreet skill of finding a percent of a...
T. Smith Publishing
Halloween Add or Subtract
A jack-o-lantern containing a ghost top this page, making it a seasonal addition to your math lessons. On it, your little goblins will practice addition and subtraction of three-digit numbers. A terrific tool when working on Common Core...
Curated OER
Addition-Decimals
In this addition learning exercise, students solve twenty equations associated with addition and decimals. Students show each step of their work as they solve each equation.
Curated OER
Sigma Detectives
In this sigma worksheet, students evaluate patterns. They find the sum of the digits in a sequence and write the formula to produce the sequence. This one page worksheet contains four multi-step problems.
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
Pennsylvania Department of Education
Round Numbers to Nearest Ten or Hundred
Third graders review telling time. In this instructional activity on telling time, 3rd graders discuss various items that show length of time, including clocks, calendars and sand timers. Students review and practice what they already...
Curated OER
Multiplication With Decimals
In this multiplying decimals worksheet, students solve 24 multiplication problems. Each problem has a decimal being multiplied by a two or three-digit number.
Curated OER
Multiply Decimals 2
In this finding the products worksheet, students multiply tenths, hundredths, and thousandths with and without whole numbers. Students solve 24 problems.
Curated OER
Counting Handout 1: Combinations
In this counting worksheet, students find the number of combinations and permutations of seventeen multi-step problems. Students determine the number of possible social security numbers, telephone numbers, book arrangements, etc., given...
Curated OER
End of the Year Math Terms
In this end of the year math test worksheet, 4th graders complete problems including addition, division, measurement, decimals, and more. Students complete 22 problems.
Curated OER
Cross Number Puzzle
In this math worksheet, students solve a puzzle that uses numbers in a crossword type puzzle. The sheet is intended to be a teacher's guide.
Curated OER
Subtraction: Decimals
In this decimal subtraction worksheet, students solve 15 problems that require them to subtract decimal numbers with 1-5 digits.
Curated OER
Word Problems
In these math worksheets, 3rd graders are presented word problems using simple addition. Students complete six word problems with labels for answers on each page.
Curated OER
Computers Can Only Add
Students explore using mathematics to solve problems in base two. After a teacher demonstration of using base two to write numbers. students model similar problems to explore the concept of number systems in different bases. To increase...
West Contra Costa Unified School District
Divisibility Rules Justified
How do you know if a number is divisible? Instructors first prove the divisibility rules for three and four and then class members use this modeling to prove given divisibility rules for eight and nine either individually or in groups.
EngageNY
Sums and Differences of Decimals
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to decimals....
Alabama Learning Exchange
The Mean, Median, and Mode Chain Gang
Students analyze a set of data. They work in cooperative groups and use chain links to identify the mean, median, and mode of the chain.
Curated OER
Mathematical Roadmaps
Second graders observe how a sample math problem is solved on the overhead. They work in small groups to develop a strategy for solving another problem using counters as well as a large sheet of paper to write down their explanation of...
Curated OER
Calculating Baseball Statistics
Students calculate baseball statistics. In this data analysis lesson plan, students use baseball statistics to calculate the batting average and slugging percentage. Students visit www.funbrain.com to play a math baseball game.
Curated OER
Partial Quotients
Fifth graders examine the partial-quotients algorithm for finding the answer to a division problem. In this partial quotients lesson, 5th graders demonstrate the process of division through a series of estimations. Students examine the...
Curated OER
Let's Take a Trip!
Sixth graders plan a trip for a family of four choosing their travel plan by studying maps to decide upon a route and visiting Websites to get airline and travel schedules. They use ratios and proportions as well as converting fractions...
Curated OER
Multiplying Decimals
In this multiplying decimals learning exercise, 5th graders solve 24 multiplication problems. In each problem students must multiply two decimals together.
Curated OER
Dividing With Decimals
In this decimal division worksheet, students solve 18 division problems. Each problem includes decimals as the dividend, divisor, or both.