Curated OER
Multiplication and Division Pick 'n' Mix 2
Fifth graders practice a wide range of strategies for solving multiplication and division problems with whole numbers and decimal fractions. They interact with operations on decimals, relevant size and place value of decimals to three...
Fraction Bars
Subtraction of Decimals
Here is a fabulous lesson on subtracting decimals with different numbers of decimal places. There are teacher-led activities for learners to engage in, including, modeling decimal subtraction through decimal squares, looking at place...
Curated OER
Reading and Writing Decimals
Decimals are quite often confusing for young mathematicians. Pupils engage in three activities: writing decimal names, understanding place value, and comparing decimals to thousandths. At the end of the lesson, there is a motivating game...
EngageNY
The Distributive Property and the Products of Decimals
Make multiplication of decimals easier by applying the distributive property. Pupils investigate how they can use the distributive property to multiply decimals. After learning the strategy, they work on some practice problems at...
EngageNY
Infinite Decimals
Can you support the argument that the decimal 0.99999 ... is equivalent to the number one? The seventh installment in this 25-part module gives convincing support for this conclusion. Pupils write infinite decimals using powers of 10....
College of William and Mary
Decimal Operations Using Base 10 Blocks
Let's get this block party started and learn about decimals! Here are four main lessons that teach the operations with decimals while using base 10 blocks to provide a hands-on learning approach. Supplemental worksheets and other...
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...
West Contra Costa Unified School District
Decimals and Fractions
Reinforce the concept of fractions and decimals as part of a whole with a lesson plan that begins with a mixed review, then goes into a three problem guided practice, and ends with a collaborative activity. The guided practice and...
Curated OER
Rounding Decimals
Fourth graders engage in a lesson that is about the concept of rounding decimals. They review place value and focus it upon the practice of rounding. Students use 10 base decimal grids or models to help make connections with the skill.
Curated OER
Music Favorites and Place Value
Fourth graders view CD ads and create a chart about an imaginary CD purchase. In this CD lesson, 4th graders calculate various cost connected with the CD's at the regular price and on sale. Students write a paragraph about the person...
Curated OER
Decimal Baseball
Young mathematicians represent recorded information in decimal form. In this decimals instructional activity, learners play a "classroom friendly" basketball game in which pupils take 10 shots. Number of shots made out of 10 is recorded...
Curated OER
Ten by Ten
Learners participate in hands-on activities using a hundreds chart and counting toes and fingers. They discover the patterns that are created when counting by ten. After a lecture/demo, students practice by using a worksheet embedded in...
Curated OER
Summer Bridge Activities 4-5
In this cross-curricular worksheet, students complete various activities. They complete a crossword puzzle dealing with electricity, change mixed numbers into decimals, subtract fractions, identify adjectives in sentences, solve money...
Curated OER
Base It
Third graders complete place value charts in the decimal system, the binary and Hexadecimal system. They discuss the contributions made by Ada Lovelace to computer language. They express the idea of place value with exponents.
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...
New Zealand Ministry of Education
Addition and Subtraction Pick n Mix
Teach your class how to mentally solve whole number addition and subtraction problems using compensation from tidy numbers including equal additions. They use appropriate recording techniques and predict the usefulness of strategies for...
Curated OER
Using a Number Line: 5th Grade Math
Working in groups, the class will use what they know about whole number operations to solve a real-world problem involving a number line. They will focus on using the number line to correctly label the placement of whole numbers,...
Curated OER
Study Buddies: Comparing and Ordering Decimals
In this math worksheet, students will work with a coach to compare and order numbers with decimals to the hundredths place. Students will follow a step-by-step process and notes are provided for the coach.
EngageNY
The Decimal Expansion of Some Irrational Numbers
Develop a definition of irrational numbers through an exploration of square roots. The 11th lesson plan in this series of 25 asks scholars to estimate the value of a square root. Learners observe as the estimation extends further and...
EngageNY
Comparing Integers and Other Rational Numbers
The ninth installment of a 21-part module has pupils compare integers and rational numbers in decimal and fraction form. They match stories to number lines and compare values in the stories.
Curated OER
Drop it or not?
Students explore fractions. In this fraction lesson plan, students play an interactive game and use manipulatives to practice working with fractions.
Curated OER
Math Medicine
Students solve real-world problems related to medical careers. They use graphical representations as part of the problem-solving process and work with fractions, decimals, exponents, and metric measurement. A demonstration is included to...
Curated OER
Money Game
Fourth graders give change of one dollar. In this decimal and fractions lesson plan, 4th graders receive fake coins and discuss what they could purchase with them. Students go for a walk and spend one dollar and get their purchase if...
Willow Tree
Rational vs. Irrational Numbers
Build an understanding of rational numbers and their counterpart irrational numbers. Lead learners through an explanation of rational numbers and the ways they can be expressed. Then introduce them to irrational numbers and make...