National Security Agency
Let's Party With Place Value
Put on your math caps and explore place value and ways to represent numbers. Learners read, write, and represent whole numbers. They interact with numbers as they read and explore a teacher-created story, play games, and practice their...
Curated OER
Planetary Place Value
Third graders explore place value to the ten thousands place. This incredibly thorough, 24-page lesson has learners construct, order, and compare numbers to 9,999. This three-day lesson includes reteaching and extension activities...
Curated OER
Place Value
Fifth graders explore number meanings and their relationship. Using place value clues and base-ten blocks, 5th graders build a models of numbers and determine their value. To reinforce number relationship, students participate in a...
Curated OER
BASE-ic Space Travel
For this 3-day place-value lesson, upper-elementary kids investigate the base 5 and base 2 systems as an introduction to exponents and powers. They create a pocket chart to help ground their understanding of bases, exponents, and powers,...
Curated OER
Decimal Baseball
Young mathematicians represent recorded information in decimal form. In 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...
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 instructional activity, there is a...
Curated OER
Discovering Decimals
Young scholars explore decimals. They use personal computers to compare decimal numbers and examine place value. Students participate in an animation game to complete decimal problems.
Curated OER
Add and Subtract
Like the cubs in A Fair Bear to Share, your 2nd grade class will practice adding and subtracting double-digit numbers by grouping, regrouping, and sorting a collection of objects. This requires many resources, but it is well worth the...
Curated OER
Money Math Carnival
Third graders explore money in a carnival format. In this money lesson, 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
Giving it 100%
Students build knowledge about the number relationships between decimals and percents as it relates to converting decimals into percents. In this decimal and percent lesson, students recognize equivalent forms of fractions,...
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Interesting Integers and Exciting Equations
An 80-page resource provides four lessons and all associated worksheets to teach middle schoolers about expressions and equations. The lessons are hands-on, using games, "integer chips," a balance and cubes, and cut and paste activities....
Curated OER
Chess Math
Students review angles. In this geometry lesson, students become chess players on a floor chess board. When they make a move, they need to identify the angle of their movement. In the lesson plan it says the "degree" of the angle,...
Curated OER
Developing Number Concepts
Children count and group a set of beans, sorting into groups of 10 and noting the number that remains. Students understand the concept of numbers greater than ten, and play a game, guessing numbers greater than 10 using hints given by...
Curated OER
Music Activity at Family Math Night
Students work with a family member in placing all of the music notes on a staff board. They try to match the rhythm on the rhythm board and show their completed song to the teacher.
Curated OER
Narrow it Down: Numbers
Elementary learners of all ages utilize their number knowledge by playing a 20 questions style game. They participate in a game in which they ask yes or no questions to a group leader in order to discover which number the leader has...
Alabama Learning Exchange
Lining up the Decimals
Fifth graders order decimals from least to greatest and greatest to least. In this decimal order instructional activity, 5th graders complete an online review of comparing 2 digit numbers. Students then complete a decimal order card game...
Curated OER
Block It: Using a Manipulative to Solve Math Problems
Learners practice using visuals to solve math problems. In this math manipulative lesson, students utilize pattern blocks to participate in a class game in which geometric shapes touch other player's pieces. Learners gain points based on...
Curated OER
Against all Odds
Tenth graders appreciate the role of probability in understanding everyday situations. They Communicate a summary of financial projections in appropriate reports, tables, and graphs after creating a new game of chance.
Curated OER
Lu-Lu
First graders practice their counting skills while playing a Hawaiian game called Lu-Lu. Lu-Lu is a Hawaiian counting game. It is played with four stones. Each stone is divided into four equal sections and dots are placed in the...
Curated OER
How Many Seeds?
Students write numbers on apple shapes, and then show their understanding of the number's value by putting the corresponding number of seeds on each apple.