EngageNY
Grade 5 Math Module 1, Topic A, Lesson 1
Extend the place value system. The first lesson plan in a series of 18 extends the place value system to millions through thousandths. Using place value charts, pupils see how the value of a digit changes as it moves places. Teachers use...
Curated OER
Odometers and Place Value Chart
Students explore the concept of place value with a hand-made odometer. In this math instructional activity, students construct a cardboard odometer with movable paper strips to show increases in mileage to the hundredths place. Students...
Curated OER
Place Value
Practice place value skills with this lesson. Learners put numbers in order from greatest to least, identify the values of particular numbers, and engage in an activity to compare numbers using manipulatives.
West Contra Costa Unified School District
The Power of Ten: Building a Magnitude Model
Add visual representation to teaching place value with a magnitude model. Using adding machine tape, pupils build a linear place value strip from 1 to 100.
Curated OER
Perfect Places!
Second graders study the decimal point and study tenths, hundredths, and thousandths. They explain ways to read and write decimals.
Curated OER
In Round Numbers
Young scholars explore the concept of rounding. In this rounding activity, students use their calculator to round three digit numbers to the nearest 10 or nearest 100. Young scholars round fractional numbers to the nearest...
EngageNY
Grade 5 Math Module 1, Topic E, Lesson 12
Continuing from the previous instructional activity, scholars work on mastering the skill of multiplying decimal fractions by a whole number. The method employed in the instructional activity is to convert the decimal fraction to its...
Curated OER
My Decimal Number
Third graders brainstorm different ways to represent decimal fractions. They draw on their knowledge of decimal place value, addition and subtraction of decimals, and writing decimals in words and symbols. Students discuss the meaning...
Curated OER
Pipe Music With Decimals
Students discuss strategies for solving problems with decimals. They find the sum of problems through recognizing place value and by practicing adding numbers both vertically and horizontally. They read and solve real life word...
Curated OER
Purchasing Flower Power
Students fabricate decorative flowers to serve as a sales commodity. They assign value and prices to their flower stems. Students estimate and calculate costs using decimal points and place values in order to keep within a budget they...
EngageNY
Grade 5 Math Module 1, Topic C, Lesson 7
Step up or step down to rounding. Using a vertical number line, the instructional activity shows pupils the significance of rounding up or rounding down. Teachers encourage scholars to write the number in unit form and decide which form...
EngageNY
Fraction Multiplication and the Products of Decimals
Class members come up with a hypothesis on the number of decimal digits in the product of two decimals. Learners work in groups to complete several decimal multiplication problems. The results help groups develop a conjecture on the...
Curated OER
Adding Tenths
Third graders pictorially represent tenths place with decimal bars and add decimals in the tenths place; students use decimal bars to represent tenths and solve simple addition problems with the tenths place.
EngageNY
The Decimal Expansion of Some Irrational Numbers
Develop a definition of irrational numbers through an exploration of square roots. The 11th lesson in this series of 25 asks scholars to estimate the value of a square root. Learners observe as the estimation extends further and further...
Curated OER
Money Game
Fourth graders give change of one dollar. In this decimal and fractions instructional activity, 4th graders receive fake coins and discuss what they could purchase with them. Students go for a walk and spend one dollar...
Curated OER
Comparing and Ordering Fractions, Mixed Numbers, and Decimals
Pupils practice comparing and ordering fractions, mixed numbers, and decimals. For this fractions, mixed numbers, and decimals lesson, students examine a decimal place value chart compared to a whole number place value chart. They...
Curated OER
Making Cents of Fractions and Decimals
Students explore decimals and fractions using groups of 100 pennies. By classifying the pennies in different ways, there are an unlimited number of ways to learn fractions, decimals, and place value in money. This is a good, hands-on...
Curated OER
CONCEPTS IN NUMBER THEORY.
Students study the Maya culture and their achievements in mathematics, how bacteria grow exponentially, use rational numbers to convert back and forth between Celsius and degrees Fahrenheit, how some architectural designs are examples of...
Curated OER
Place Value Practice (Tenths)
Students practice strategies solving problems with basic facts, framework, domain and early additive part-whole. They recall the compatible numbers to ten, solve problems with small numbers using a part-whole strategy and recall ten and...
Curated OER
Getting The Point
Young scholars complete a unit of lessons on the relationships between decimals, whole numbers, and fractions. They use paper strips to solve fraction problems, view and solve examples, and use calculators to convert fractions into...
Curated OER
Multiplying Decimals
In this mathematics worksheet, 6th graders estimate the product and use an array to help them find the product. Then they find the exact product and locate where to put the decimal point in each.
Curated OER
Find That Bargain!
Students explore the methods of calculating percentages, reading and the construction of graphs, and an awareness of consumer concerns in this instructional activity. The movement of the decimal point often results in uncertainty 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
Operations with Fractions and Decimals
Complete a lesson plan that introduces and explores operations with fractions and decimals. Pupils estimate the reasonableness of a decimal computation. Then discuss what operation is needed to find an answer. Handouts, web sources, and...