Lesson Plan
Illustrative Mathematics

Doubling Numerators and Denominators

For Teachers 3rd - 5th Standards
Understanding the meaning of fractions is a challenge for many young learners. These two questions examine what happens when the numerator and denominator of a fraction are doubled. Consider allowing students to discuss their ideas...
Lesson Plan
Texas Instruments

Factoring and Solving Quadratic Binomials

For Teachers 9th - 12th Standards
Here is a TI-Navigator™ activity that allows high schoolers to review the concept of factoring and solving quadratic binomials, including a connection to graphical solutions. They enter a number such as -2 using the minus key and not the...
Lesson Plan
Curated OER

Polymers and Products from Petroleum

For Teachers 6th - 12th
Over four sessions, learners survey the production and use of polymers and petroleum products. First, they participate in a kinesthetic activity to demonstrate how polymers act, and review a list of common products made from...
Activity
1
1
Curated OER

Alex, Mel, and Chelsea Play a Game

For Teachers 9th - 12th Standards
This short probability question may look simple at first, but it is actually quite complex! Learners must understand independent events in context and must take into account several different scenarios. Use as an individual assignment...
Interactive
Curated OER

Teen Numbers

For Students 1st - 3rd
Reinforce that numbers in the teens are 10 plus more with this worksheet of 6 practice problems. Children count and circle a group of 10 objects. Then they count on the extras and write the total number in a box. Some sets have the 10...
Lesson Plan
Curated OER

Counting 1,2,3,4,5

For Teachers Pre-K - K
In this counting worksheet, students count ten groups of objects and circle the number that tells how many are in each group. Amounts of each item vary from one through five.
Worksheet
Curated OER

More Worksheet 2

For Students Pre-K - 1st
In this counting and comparing numbers worksheet, students count the object pairs in 2 problems. Students identify the group in each pair that has more objects than the other.
Lesson Plan
National Gallery of Canada

Counting Circles

For Teachers K - 3rd
Learners look at bands of colors and estimate how many rings of color there are. While working in groups, they come up with a plan of how to accurately count the rings. They attempt to find a pattern in the colors, and decide whether...
Assessment
1
1
Balanced Assessment

Classroom Groups

For Students 9th - 12th Standards
How many different ways can a teacher organize a class into groups? In a grouping activity, learners explore the number of possible combinations of groups given different total participants and size criteria. They then make...
Worksheet
Curated OER

Count by Five's

For Students 1st - 2nd
In this counting by fives worksheet, students count multiple groups of five candy canes in each row and record the totals. Students solve 7 problems.
Worksheet
Curated OER

Grade 1 Math: Addition and Subtraction 3

For Students 1st
In this consumer math instructional activity, 1st graders practice counting coins. They circle the group of coins that are equal to the given money amount. They count dimes, nickels, and pennies.
Worksheet
Curated OER

Color and count 9 and 10

For Students K - 2nd
In this color and count worksheet, students color and count the numbers 9 or 10 out of a group of pictures. Students complete 15 problems.
PPT
Curated OER

Problem Solving: Division

For Teachers K - 2nd
A cute zoo theme sets the tone for a problem-solving activity which primes early learners for division. They separate zoo animals into equal groups and then write an equation that expresses the action. 
Lesson Plan
EngageNY

Comparison Shopping—Unit Price and Related Measurement Conversions

For Students 6th Standards
Speed up your scholars' understanding of ratios. Class members compare ratios related with speeds presented in different representations. They then use the unit rates to make the comparisons. 
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...
Lesson Plan
Illustrative Mathematics

Many Ways to Do Addition

For Teachers Pre-K - 1st Standards
A great aspect of teaching math is that children have the freedom to solve problems using a variety of different strategies. The focus of this instructional activity is for young mathematicians to become aware of many ways of answering...
Lesson Plan
EngageNY

Overcoming Obstacles in Factoring

For Students 10th - 12th Standards
What do you do when factoring doesn't work? Learners complete the square when faced with quadratic expression that don't factor traditionally. They then use factoring by grouping to solve polynomial equations.
Assessment
Mathematics Assessment Project

Functions

For Students 8th - 9th Standards
Studying function means more than simply learning a formula. Learners must use functions to think through four problems and find solutions. Each task utilizes a different concept from a study of functions. Class members might...
Lesson Plan
Project Maths

Fair Trials with Two Dice

For Teachers 9th - 12th
Life's not fair, but dice games should be. After playing a two-person game with a pair of dice, scholars investigate the fairness of the game. They consider the number of possible outcomes using the fundamental counting principle and...
Lesson Plan
EngageNY

Finding a Rate by Dividing Two Quantities

For Teachers 6th Standards
Develop the right station to solve rate word problems. The 18th lesson in a series of 29 starts by interpreting the aspects of rates with two different quantities. Pupils use the interpretation of rates to solve problems, and groups work...
Activity
MENSA Education & Research Foundation

Pi Day Fun!

For Teachers 6th - 8th Standards
In this multi-faceted introduction to pi, participants perform a bevy of pi-related activities. Ranging from measuring household items to singing pi songs and reading pi stories, this fun and non-intimidating resource serves to bring up...
Worksheet
Curated OER

Counting Groups of Ten 1

For Students K - 2nd
In this counting sets of ten activity, students count groups of ten, write the two-digit numbers, and add the extra units. Students solve 9 problems.
Worksheet
Curated OER

Let's Go Shopping challenge

For Students 2nd - 3rd
In this choosing items to purchase and counting coins worksheet, students circle two items in each set to purchase and use the price tags to circle the total coins needed. Students solve three problems.
Worksheet
Curated OER

Base Ten Blocks - Rods and Flats (B)

For Students 2nd - 3rd
In this using base ten blocks worksheet, students trade flats for groups of rods to solve the problems. Students solve 6 problems.