Unit Plan
Mathematics Vision Project

Structures of Expressions

For Teachers 10th - 12th Standards
This comprehensive unit investigates transformations of quadratics, having learners follow "Optima" through the development and growth of her quilting business. Deftly weaving the story into the mathematical mechanics, the unit gives...
Unit Plan
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Mathematics Vision Project

Probability

For Teachers 10th - 12th Standards
Probability, especially conditional probability, can be a slippery concept for young statisticians.  Statements that seem self-evident on the surface often require a daunting amount of calculations to explicate, or turn out to be...
Lesson Plan
Illustrative Mathematics

How Many Leaves on a Tree?

For Teachers 9th - 12th Standards
This is great go-to activity for those spring or fall days when the weather beckons your geometry class outside. Learners start with a small tree, devising strategies to accurately estimate the leaf count. They must then tackle the...
Assessment
Illustrative Mathematics

Temperature Conversions

For Students 9th - 12th Standards
Complete two conversions at once using compositions. Pupils use the conversion formulas for temperatures to calculate a formula to convert directly between Kelvin and Fahrenheit. Classmates determine the meanings of composition...
Interactive
CK-12 Foundation

Coefficient of Variation: Diverse Populations

For Students 9th - 12th
What is the height of school clubs? Learners use sliders to calculate the coefficient of variation for three different school groups. Using the calculations, class members compare the variation in the heights of the groups.
Lesson Plan
Curated OER

The Geometry of Means

For Teachers Higher Ed
In this geometry worksheet, students are given a rectangle and a square. They verify ratios when given equal perimeters or areas. Students are given adjacent squares. They find the distance between the centers, and identify the means...
Lesson Plan
Curated OER

Math Tag

For Teachers 3rd - 6th
Students work on solving arithmetic problems with a game of tag. They must solve a problem to be unfrozen.
Worksheet
T. Smith Publishing

Green Addition

For Students 1st - 2nd Standards
Ribbit! Kindergarten or first grade mathematicians practice subtracting and adding frogs on this friendly learning exercise. Add it to your library of homework assignments when teaching youngsters arithmetic skills.
Interactive
Curated OER

Explorit's Do-It-In-Your-Head Numbers Quiz

For Students 4th - 5th
In this mental math activity, students complete a 6 question multiple choice online interactive activity without using pencil, paper or calculator. Included are word problems, multiple operations, averaging, and basic arithmetic.
Worksheet
Curated OER

Penny, Nickel, Dime

For Students 1st - 3rd
For this money worksheet, students play a game with a pair of dice involving the arithmetic operations of addition and subtraction. Students interact with pennies, nickels and dimes.
Worksheet
Curated OER

Maggie's Journal Brainteasers

For Students 4th - 5th
In this Maggie's Journal brainteasers worksheet, students solve two word problems with logic and basic arithmetic skills.
Lesson Plan
Curated OER

Order of Operations

For Teachers 9th - 10th
Students solve problems using the order of operation. In this algebra instructional activity, students perform order of operation working from inside the parentheses and exponents to multiplication and division in the right order. They...
Lesson Plan
Curated OER

Spot The Pattern

For Teachers 7th - Higher Ed
Students study integers.  In this math lesson students complete several worksheets on arithmetic series, triangles and word problems. 
Worksheet
Curated OER

Revision of the Four Rules (Whole Numbers)

For Students 5th - 10th
In this whole numbers worksheet, students read through an explanation of how to add, subtract, multiply and divide whole numbers. Then, students answer 60 questions in which they will do one of these operations with whole numbers....
Worksheet
Curated OER

The Number Table Problem

For Students 7th - 9th
In this number table problem, students explore tables and determine the number pattern.  This one-page worksheet contains 1 problem.  Answers are provided at the bottom of the page.
Worksheet
Curated OER

Do Now - Handshake

For Students 9th - 12th
In terms in a sequence worksheet, students solve 6 short answer problems. Students find the next term in a sequence given a sequence in block-form and integer form.
Worksheet
Curated OER

SAT Grid Ins Practice Test 3

For Students 9th - 12th
In this SAT grid in worksheet, students solve 10 practice SAT type problems.  Students determine average, volume of prisms, sum of angles, etc.
Lesson Plan
Curated OER

The Function Box

For Teachers K - 2nd
Students look around classroom and identify any patterns they see, describe patterns and explain why they are patterns, use pencil to demonstrate arithmetic patterns by tapping, practice predicting patterns by using Function Box, and...
Lesson Plan
Curated OER

Research Cruise Word Problems Lesson Plan

For Teachers 5th - 8th
Students explore life onboard the NOAA Research Vessel Ronald H. Brown and practice basic arithmetic by completing word problems.
Lesson Plan
Curated OER

Education on the Trail

For Teachers 4th
Fourth graders invent ways to teach pioneer students on the trail. They imagine that they are a pioneer who wants to make sure that their students know how to read, write, and do arithmetic.
Lesson Plan
Curated OER

The 400 Problem

For Teachers 5th - 6th
Students develop the skills of problem solving and logical analysis. The conditions of when two subtraction sums are equal is examined to develop other skills like practicing arithmetic in context.
Worksheet
Curated OER

Guess the Month Trick

For Students 8th - 9th
In this math card trick worksheet, learners follow the directions and learn how to perform a card trick in which the correct month is guessed. Students use a Base 2 arithmetic system.
Worksheet
Curated OER

Two-Variable Function Pump Exploration Questions

For Students 11th - 12th
Guiding students through two variable (complex) functions, this instructional activity helps them perform complex arithmetic on 6 expressions. They iterate several functions with given starting points, determining whether each is a...
Worksheet
Mental Arithmetic

Number Bonds to 10

For Students K - 2nd Standards
First graders solve the sums up to 10 using the mental math strategy of number bonding. Thirty different addition facts on the worksheet allow for plenty of practice.