Interactive
Shodor Education Foundation

Whole Number Cruncher

For Students 6th - 8th Standards
Time to crunch the numbers! Young scholars use an interactive number cruncher to practice operations with whole numbers. They input a number and watch as the number cruncher produces the output and then use the data pairs to determine a...
Lesson Plan
Lakeshore Learning

Comparing and Ordering Fractions

For Teachers 3rd - 5th Standards
Math can be satisfying for the mind and the stomach! Incorporate slices of pizza into your fractions instructional activity with a set of informative resources. After a brief guided instructional activity on comparing and ordering...
Handout
Charleston School District

Estimating Values of Expressions

For Students 8th Standards
You can't evaluate an irrational root expression without a calculator—or can you? Scholars estimate the value of roots within an expression to approximate the value of the expression. Expressions include a mix of square roots and whole...
App
Todd Bowden

Number Line

For Students 4th - 8th Standards
Arrange these in order on a number line: 95% 1/3 .700 3/5 5/6 50% .200 Was that too easy? Don't worry! This app gradually gets more difficult.
Lesson Plan
Illustrative Mathematics

“Crossing the Decade” Concentration

For Teachers K - 2nd Standards
Young mathematicians concentrate on learning to fluently count. Following the rules of the classic game Memory, children take turns flipping over cards in order to find pairs of numbers that cross a decade (e.g. 29 and 30). For younger...
Unit Plan
Arizona Department of Education

Area and Perimeter of Regular and Irregular Polygons

For Teachers 3rd - 6th Standards
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other...
Interactive
CK-12 Foundation

Recursive Formulas: Fibonacci Sequence

For Students 11th - Higher Ed Standards
Explore the building blocks of the Fibonacci Sequence. Given the lengths of sides of squares, pupils deduce the pattern to determine the lengths of two more squares. Learners continue to work with recursive formulas to generate numerical...
Lesson Plan
Curated OER

Hop To It!

For Teachers 4th - 5th
Students determine patterns. In this mathematics lesson, students act out a skit, play a sequence game, and complete patterns. Students use problems solving skills.
Worksheet
Curated OER

Order Numbers to 50 (S)

For Students 2nd - 3rd
In this ordering numbers learning exercise, students order 15 sets of ten numbers. They work with numbers up to 50. (It is not specified which direction they order the numbers in.)
Worksheet
Curated OER

Order Numbers to 50 (R)

For Students 2nd - 3rd
For this ordering numbers worksheet, students order 15 sets of ten numbers. They work with numbers up to 50. (It is not specified which direction they order the numbers in.)
Worksheet
Curated OER

Order Numbers to 100 (B)

For Students 1st - 3rd
In this number order review worksheet, students examine 15 groups of 10 numbers each. Students re-order the numbers in each group from smallest to largest.
Worksheet
Curated OER

Order Numbers to 1000 (C)

For Students 1st - 3rd
In this ordering numbers to 1000 worksheet, students practice their math skills as they order 15 sets of 10 numbers each up to 1000. Numbers are ordered lowest to highest.
Worksheet
Curated OER

Order Numbers to 50 (K)

For Students 1st - 2nd
In this ordering numbers to 50 worksheet, students practice their math skills as they order 15 sets of 10 numbers each up to 50. Numbers are ordered lowest to highest.
Worksheet
Curated OER

Order Numbers to 50 (G)

For Students 1st - 2nd
In this ordering numbers to 50 instructional activity, students practice their math skills as they order 15 sets of 10 numbers each up to 50. Numbers are ordered lowest to highest.
Worksheet
Curated OER

Order Numbers to 50 (H)

For Students 1st - 2nd
In this ordering numbers to 50 worksheet, students practice their math skills as they order 15 sets of 10 numbers each up to 50. Numbers are ordered lowest to highest.
Worksheet
Curated OER

Order Numbers to 50 (I)

For Students 1st - 2nd
In this ordering numbers to 50 learning exercise, students practice their math skills as they order 15 sets of 10 numbers each up to 50. Numbers are ordered lowest to highest.
Worksheet
Curated OER

Order Numbers to 50 (J)

For Students 1st - 2nd
In this ordering numbers to 50 worksheet, students practice their math skills as they order 15 sets of 10 numbers each up to 50. Numbers are ordered lowest to highest.
Worksheet
Curated OER

Order Numbers to 100 (D)

For Students 1st - 2nd
In this ordering numbers to 100 worksheet, students practice their math skills as they order 15 sets of 10 numbers each up to 100. Numbers should be ordered lowest to highest.
Worksheet
Curated OER

Order Numbers to 100 (F)

For Students 1st - 2nd
In this ordering numbers to 100 worksheet, students practice their math skills as they order 15 sets of 10 numbers each up to 100. Numbers should be ordered lowest to highest.
Worksheet
Curated OER

Order Numbers to 100 (H)

For Students 1st - 2nd
In this ordering numbers to 100 worksheet, learners practice their math skills as they order 15 sets of 10 numbers each up to 100. Numbers should be ordered lowest to highest.
Worksheet
Curated OER

Order Numbers to 100 (I)

For Students 1st - 2nd
In this ordering numbers to 100 activity, learners practice their math skills as they order 15 sets of 10 numbers each up to 100. Numbers should be ordered lowest to highest.
Worksheet
Curated OER

Order Numbers to 100 (J)

For Students 1st - 3rd
In this ordering numbers to 100 worksheet, students practice their math skills as they order 15 sets of 10 numbers each up to 100. Numbers should be ordered lowest to highest.
Worksheet
Curated OER

Order Numbers to 100 (L)

For Students 1st - 3rd
In this ordering numbers to 100 instructional activity, students practice their math skills as they order 15 sets of 10 numbers each up to 100. Numbers should be ordered lowest to highest
Worksheet
Curated OER

Order Numbers to 100 (O)

For Students 1st - 3rd
In this ordering numbers to 100 worksheet, students practice their math skills as they order 15 sets of 10 numbers each up to 100. Numbers should be ordered lowest to highest.