Shodor Education Foundation
Estimating With Fire
Watch the damage from a forest fire in this interactive simulation activity that challenges learners to estimate the burn area using different approaches. Learners are given a worksheet to track the different burn patterns and practice...
Curated OER
Number Operations
Inject fun into your math review! Pupils review basic math operations with decimals as well as addition and subtraction with simple fractions. In this number operations lesson, students work in groups to create a game for the math skill...
PBS
Adding Integers
Your sixth and seventh graders deepen their understanding of a number line and adding integers in this concrete, hands-on activity. Learners play "Warehouse Puzzle" and then discuss their game strategies and the characteristics...
Noyce Foundation
Time to Get Clean
It's assessment time! Determine your young mathematicians' understanding of elapsed time with this brief, five-question quiz.
Illustrative Mathematics
Grass Seedlings
Plants never grow at the same rate, and that is the antithesis for this word problem involving multiplication of fractions. On the worksheet, Raul notices that Pablo's seedlings are 1 1/2 times as tall, and Celina's seedlings are 3/4 as...
CK-12 Foundation
Midpoint and Segment Bisectors: Midpoint Map
Discover how to find a midpoint with a conceptual exploration. Scholars manipulate a point to determine the location of a midpoint on a straight line distance between two locations. Later questions extend to determine the location of...
Curated OER
Fraction Conversion Lesson Plan
Students practice converting fractions into decimals and percents using a computer applet and the concept of money.
Curated OER
Fraction Benchmarks
Learners investigate the fraction benchmarks for zero, one half, and one. They use these benchmarks to compare the relative sizes of fractions, through estimating, ordering and placing them on a number line. An assessment worksheet is...
Curated OER
Fraction Facts
Middle schoolers explore the concept of fractions. In this fractions lesson, students perform basic operations such as addition and subtraction with fractions. Middle schoolers play a game on the computer called 'Fraction Four' that...
Curated OER
Number Line Math
Second graders use a number line to practice subtraction. In this subtraction lesson, 2nd graders use a number line to count backwards. Students participate in mad math activities and solve problems.
Curated OER
Fraction Conversion 2 (With Percents)
Fifth graders determine how to convert fractions, decimals, and percents. In this conversion lesson, 5th graders use an on-line applet to practice making these conversions. They review how to make the conversions in a whole class lesson...
Curated OER
Quilting with Middle School Students: Using Proportionality to Develop Quilt Designs
Learners use quilt patterns to illustrate ratios. In this fractions lesson, students color quilt patterns using given fractions and ratios of colors. A finished "quilt" is assembled from the work of the learners. This is an...
Curated OER
Math: Divide and Conquer - Equivalent Fractions
Young scholars engage in hands-on activities and observe videos to develop fraction skills. In one activity, they create "paper pizzas" complete with original toppings. By swapping pieces, students display whole and unique-looking pizzas.
Curated OER
Fraction Puzzle Problems
Fifth graders design a fraction word problem PowerPoint presentation. In small groups they complete a storyboard graphic organizer for their word problem, evaluate another group's word problem, and create a PowerPoint presentation of...
Curated OER
Fraction Models
Third graders make models of fractions and mixed numbers. Using fraction strips and drawing pictures, 3rd graders develop conceptual understanding of the equivalent forms. Students use the number line to represent and compare...
Curated OER
Estimating With Fire
Students solve problems with percents, decimals and fractions. For this algebra lesson, students convert between fractions, percents and decimals. They estimate their answers and calculate their answer.
Curated OER
Finding Remainders in Pascal's Triangle
Learners use clock arithmetic to find remainders. In this patterns in math instructional activity, students explore the relationship between clock arithmetic and remainders using a computer applet. Learners also identify patterns in...
Curated OER
Divide and Conquer
Seventh graders analyze responses to different types of problems. Using pictures and diagrams, they explore and model the division of fractions. Students examine situations that call for division whether with the whole numbers or with...
Curated OER
Multi-Digit Multiplication
Fourth graders practice mastering the ability to multiply multi-digit numbers utilizing rectangular arrays and a variety of mental math strategies. They model and illustrate meanings of multiplication and division of whole numbers and...
NTTI
If You Hopped Like a Frog
Get your frogs hopping by introducing them to the concepts of ratio and proportion. As a class, they perform arithmetic operations using ratios then discover how they represent quantitative relationships. In groups, they write their own...
California Education Partners
Miguel's Milkshakes
Moooove over, there's a better deal over there! The fourth segment in a series of eight requires individuals to determine the best unit cost for milk. Scholars calculate the least amount they can spend on a particular quantity of milk....
Curated OER
Number Base Clocks
Young scholars investigate place value in base ten. In this number sense instructional activity, students participate in an online instructional activity at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to...
Curated OER
Fraction King Lesson Plan
Students combine imagination, block manipulation, and computer applets to investigate fractions.
Curated OER
Who Wants Pizza?
Students practice fraction skills online at the "Want Some Pizza" website. They complete activities via the internet and on square grid paper. They pull down tabs to check their answers.