Curated OER
Decimal Addition and Subtraction
In this decimal addition and subtraction worksheet, students use a computer program for initial instruction, then complete 22 problems with decimals.
Curated OER
Fractions Continued
Young scholars investigate the concept of using fractions to solve problems involving rational numbers. They order real numbers on the number line with the classification of fractions. Also students solve problems using the four...
Illustrative Mathematics
Reasoning about Multiplication and Division and Place Value, Part 2
The learner puts reasoning and estimation to work. The directions are to place a decimal in the answer to make the equation true. Pupils are to look at the two problems, one multiplication and one division, and estimate an answer. No...
David Pleacher
Candy Math Fun
Few things can motivate children to learn like the promise of a sweet and tasty treat. Given a bag of M&M®s, Skittles®, or other colorful candy, students first predict the contents of the bag before counting the pieces, creating a...
Curated OER
Division Word Problems: Split The Bill
For this division worksheet, students solve a total of 7 problems. All problems ask students to "split a bill" between a number of people. Answers are included on page 2.
Curated OER
Decimal word problems
In this decimals learning exercise, students write numbers with decimals that are asked of them in these word problems. Students complete 8 problems.
National Security Agency
Fraction Fever
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
Curated OER
Drinking Juice
Pictures, number lines, decimal equivalents, or Cuisenaire rods can be used to show insight into the meaning of multiplying fractions.Here, Alisa drinks 3/4 of 1/2 liter of juice. To find the total volume of the juice that Alisa drank,...
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...
Curated OER
Candy Machine
Using the concept of a candy vending machine, young mathematicians explore the sugar ratios found in different types of candy. Using the provided information, class members calculate and compare different ratios in order to find the...
EngageNY
Estimating Digits in a Quotient
Boiling down any division problem to a one-digit divisor problem sure makes estimation easy. The lesson shows how to estimate division problems by using place value understanding and basic arithmetic facts to simplify the division. Some...
Curated OER
The History of Mathematics
Research the interrelationship between math and science. Search the Internet to discover the history of several branches of mathematics and make text-to-world connections between the concepts covered in each branch with related...
Curated OER
Fraction Facts
Students are introduced to fractions, including operations with fractionsm converting fractions to decimals and percents. They are provided with activities that provide ample practice opportunities to reinforce the information from the...
Curated OER
Percentages
In this percentages worksheet, students study the information and examples on a one page text. Kids then solve 14 problems in which decimals and percentages are converted. Students also convert percentages to fractions.
Curated OER
How Many Thousandths Are in Your Box?
Young scholars identify the different place values. In this algebra lesson, students represent decimal place values with manipulatives. They identify the correct place value using commas and mathematical reasoning.
Curated OER
Finding Addition Patterns
Pupils practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.
Curated OER
Interactive Fractions
Students determine the common denominator of two unlike fractions. They practice adding fractions and finding equivalent fractions of numbers. They compare and contrast different types of equations involving fractions and construct...
Curated OER
Decimals: Collaborative Lesson
Students explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate with...
Curated OER
The Box with the Greatest Volume
Students use measurement tools to measure the nearest 16th of an inch. They connect fractions and their decimal equivalents and compare this with other decimals. Finally, the class uses algebraic concepts and formulas to solve problems.
Curated OER
"NSN, Fractions/Decimals" Investigations
Fifth graders engage in a "layered" unit of discovery. There are three levels of potential learning opportunities, in the spirit of the 2010 Olympics in Vancouver (bronze, silver, gold). The lesson is based upon fractions.
Curated OER
Just One!
Students play a trading game using Base 10 blocks that incorporates decimal place value. Then they each receive a paper with a decimal number on it and must arrange themselves in a line from least to greatest.
Curated OER
Graphing With Second Graders
Second graders sort M & M's and then enter the data into a spreadsheet in order to create a simple graph. After printing the spreadsheet generated graph, have students compare the printed graph with their paper graph.
Curated OER
Flying with Fractions
Students test their knowledge of the Wright Brothers and their aircraft, and compute ratio of two numbers to determine the ratio between wing span and length of aircraft.
Curated OER
Number Line Math
Second graders use a number line to practice subtraction. In this subtraction lesson, 2nd graders use a number line to count backwards. Students participate in mad math activities and solve problems.