National Security Agency
Integers: Quick, Fun and Easy To Learn
A good complement to any integers unit contains a three-day lesson plan about positive and negative integers, adding and subtracting integers, and how to find the additive inverse. Additionally, it provides all necessary...
Curated OER
Reading, Writing, and Ordering Numbers
Pupils study place value. Students participate in place value and number relay games, write numbers in words, and discuss how numbers are read. As a class, they discuss the meaning of less than and grater than signs. Pupils use inverse...
Curated OER
Integrating Gandhian Principles of Communal Unity in Mathematics
Fourth through sixth graders incorporate Gandhian principles into Math curriculum. They explore Gandhi's teachings on communal unity and economic equality. This has quite a bit of information about Gandhi and his observations and...
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
Who's On First?
Have you ever considered why the number 10 is so important to us? That's what learners do here. They explore patterns formed by powers of ten and by decimals, convert units of measure within the metric system, and express these in the...
Curated OER
Math on a Roll
Learners practice various math skills using a polyhedral die. In this dice game lesson, students practice multiplication, addition, place value, and money using games. Standard dice may be used instead of a polyhedral die with...
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...
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...
Curated OER
Take Math Shopping!
Percents, estimation, and comparative analysis become more understandable when they are used in-context at the grocery store.
Curated OER
Decimal Baseball
Young mathematicians represent recorded information in decimal form. For this decimals lesson, learners play a "classroom friendly" basketball game in which pupils take 10 shots. Number of shots made out of 10 is recorded as a fraction...
Curated OER
Absolute Value Bingo
Learners explore some different concepts in relation to using a number line for instruction. Given some number values, they graph the position on the number line. The lesson ends with them playing Bingo.
Curated OER
Comparing Values: Comparisons Between Musical Notation and Money
Learners identify ways in which the principles and subject matter of other disciplines taught in school, specifically math, are interrelated with those of music.
Curated OER
Place Values-Adding
Students find place value. For this place value lesson, students are shown examples on the board by their teacher. A ten-problem worksheet is included. Problems involve only the hundreds and ten thousands place.
Curated OER
Place Values - Subtracting
Students explore the concept of subtracting a number from a place value. In this subtracting from a place value activity, students subtract numbers from a particular place value.
Fraction Bars
Subtraction of Decimals
Here is a fabulous instructional activity 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,...
Curated OER
Quarter, Nickel, Dime....
An engaging game called, "Quarter, Nickel, and Dime" is presented in this math lesson. Players are given an envelope with slips of paper that represent the three coins. In pairs, they play the game 18 times, and the whole class charts...
Curated OER
I Am The Greatest
Students work with the place value of given digits. In this place value lesson, students use a deck of number cards to find the greatest number when they draw three cards from the deck. They arrange the the digit from greatest to least.
EngageNY
From Ratios to Rates
Rate ratios with unit rates and rate units. Pupils take ratios and determine their associated rates and unit rates. The scholars identify the different aspects of rates, the unit rate, and the rate unit. The instructional activity is the...
Curated OER
Understanding Place Values
Middle schoolers investigate the place values of numbers by completing a worksheet. In this number sense lesson, students identify the place value of a number from ones, to the millions. Middle schoolers complete a place...
Curated OER
Whole Numbers
Student are assigned one of the sections on whole numbers. After reviewing the content, they teach their assigned sections to other class mates. They publish their findings on a PowerPoint slide show to use when they teach their section.
Curated OER
Math, Music and Architecture: Kindergarten Geometry and Aesthetics in Music and Architecture
Students identify and name different geometrical shapes. In this math lesson, students distinguish odd from even numbers. They describe the properties of 2 and 3 dimensional objects.
Curated OER
Questioning NASA
Space science and math collide in this inquiry that investigates launching times for antacid-tablet rockets! Upper elementary or middle school learners collect data as they launch these mini rockets. They apply concepts of place value...
Math Mammoth
Comparing Decimals
A two-page assignment walks mathematicians through how to tell which decimal in a pair is greater. The page uses yellow highlight to emphasize the numerals in question, making the lesson much easier to follow. Learners locate decimals on...
Curated OER
A Method of Front-End Arithmetic
Teach the class how to add using front-end addition. They are given a shopping list and use it to practice adding from the largest place value to the smallest. Computational math and shopping, what fun!