NTTI
Putting Together Ten
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries...
National Research Center for Career and Technical Education
Depreciation (Double Declining)
Have you ever been told that your new car begins to lose its value as soon as you drive it off the lot? Aspiring accountants take on the concepts of depreciation and book value through an easy-to-deliver career and technology...
Curated OER
Changing It Up
How should a cashier stock a cash register with coins? Learners use mathematical modeling and expected value to determine how many rolls of coins of each type they should place in a cash register.
Agile Mind
Cake Weighing
An online set of four yummy questions addresses number sense for sixth graders. They place points on a number line, determine relative values, interpret absolute value, and apply their understanding to the weighing of cakes for a bakery....
Charleston School District
Evaluation of Roots
You mean the square root of five and five don't have the same value? Learners estimate the value of irrational roots. As they practice estimating the value, they increase their understanding of roots. The lesson is the fourth in a series...
Curated OER
Roll a Decimal
Third graders take turns rolling the die, and selects an appropriate place to put the digit that was rolled in order to create a number with the largest value possible. They compete by trying to roll the highest valued number with the die.
Curated OER
Number: Fractions
Students explore equivalencies. In this decimals and fractions lesson, students examine number relationships and patterns as they compare whole numbers to decimals. Students complete a worksheet that requires them to convert...
Curated OER
Calc-You-Late Magnitudes
First graders are introduced and practice using a calculator. Individually, they enter and complete simple addition and subtraction problems. After the answer is displayed, they identify the place value for ones, tens, and hundreds...
Alabama Learning Exchange
Are Your Numbers Round?
Elementary schoolers investigate how to round numbers to the nearest tenth. In this number sense lesson, learners view a video clip on the Internet to practice rounding numbers. They use place value charts to help aid in the rounding...
Curated OER
Multiplication: A Treasure Hunt to Two and Three Digit by One Digit Multiplication
Here is a math lesson which has learners practice multiplying two and three digit numbers by one digit numbers. They discuss multiplication strategies and use those strategies to play a game.
Curated OER
Grade 3: Make a Hundred
Third graders roll a die seven times, each time determining whether to add that number of tens or that number of ones to try to make a sum as close to 100 as possible without going over.
Broward County Schools
Women's Contributions to the United States
Betsy Ross, Toni Morrison, Sacajawea, Amelia Earhart, Maya Lin, Sally Ride, Judy Baca. No matter the subject area or the grade level you teach you will find much to value in a manual that focuses on the contributions U.S. women have...
Curated OER
Transportation Math
Young scholars use mathematical operations to examine truck drivers and the math they use everyday. In this transportation math lesson, students read word problems that relate to transportation and the math needed to solve the word...
Curated OER
Decimal War
Students practice decimals by playing war. In this decimal lesson plan, students flip over their cards and whoever's card is higher wins those cards. The person with the most cards is the winner.
Curated OER
Chisanbop (Korean Counting to 99)
Students practice their counting skills. In this counting lesson, students discover the Chisanbop method of counting which allows them to quickly count to 99 using their hands.
Curated OER
Scientific Notation
Students explore the concept of expressing numbers in scientific notation. In this scientific notation lesson, students understand the importance of using scientific notation by finding real world examples where scientific notation is...
Curated OER
Units Multiplication Closure Activity
Students practice multiplication. In this multiplication instructional activity, students multiply two numbers and closely examine how multiplication affects the units digit of the product.
Illustrative Mathematics
Kiri's Mathematics Match Game
Learning math is so much more fun when it involves playing games. Following the rules of the classic game Memory, young mathematicians flip over two cards at a time as they look for numbers whose sum or difference is equal to the value...
EngageNY
Making Fair Decisions
Life's not fair, but decisions can be. The 17th installment of a 21-part module teaches learners about fair decisions. They use simulations to develop strategies to make fair decisions.
Curated OER
Expanded Form-Thousands
Students write numbers in expanded form. In this math lesson, students discover what expanded form represents by observng the teacher writing a number in expanded form on the board in a chart. Additionally, students write the...
Curated OER
Addition And Subtraction of Decimals
Learners participate in a lesson of adding and subtracting decimals. They should review place values with decimals before beginning the lesson. The lesson plan also includes sample problems for the teacher to use in direct instruction....
Curated OER
Money Math Carnival
Third graders explore money in a carnival format. In this money lesson plan, 3rd graders create a carnival of mathematics activities. Students determine the value of money in mixed amounts and explore how to create representations of money.
Curated OER
Regroup - Up to 99
In this regrouping worksheet, students regroup 2-digit numbers into the tens and ones place. There are 12 numbers for students to regroup.
Curated OER
The School Store
Students choose between the operations of addition or subtraction to solve a real life problem. In this addition and subtraction instructional activity, students make a chart of items sold in the school store. Students then work in teams...