Illustrative Mathematics
Building toward fluency
Here is a great learning task that focuses on the development of areas in computational fluency including strategies in mental math. Young learners are guided through a list of addition expressions that help them visually understand the...
Virginia Department of Education
Lines and Angles
Explore angle relationships associated with transversals. Pupils construct parallel lines with a transversal and find the measures of the angles formed. They figure out how the different angles are related before constructing...
Curated OER
Mental Math Blocks
In this math worksheet, students solve eleven math problems from a variety of topics. For example, students estimate the product of a multiplication problem.
Curated OER
Modeling Conditional Probabilities 1: Lucky Dip
Check out this detailed lesson plan on conditional probability! Learners work individually and also collaboratively to analyze the fairness of a game and justify their reasoning. it includes detailed notes and many helpful...
Curated OER
Problem Solving Strategies Post Test
In this problem solving strategies worksheet, students answer a set of 10 multiple choice questions. Students may click on a link to see correct answers.
Curated OER
Modeling: Having Kittens
Cats can't add, but they do multiply! Determine the number of descendants of a single cat given specific facts about cats and kittens. The lesson focuses on developing strategies for problem solving using both individual and group work....
Curated OER
Integer Solutions to Inequality
When is the last time you assigned your students only one problem? This seemly simple problem requires learners think like a mathematician and reason about how to solve this compound inequality in one variable. More than just using...
Illustrative Mathematics
Sum and Difference Angle Formulas
Need practice deriving trigonometric angle formulas? With this instructional activity, pupils derive the sum and difference formulas for cosine and tangent and the difference formula for sine. Scholars use the sine sum formula and...
Curated OER
Math club worksheet #2b
In this picking petals worksheet, students pick petals in turns with a Daisy of 13 petals and whoever makes the last move wins. Students try to find a winning strategy.
Noyce Foundation
Toy Trains
Scholars identify and continue the numerical pattern for the number of wheels on a train. Using the established pattern and its inverse, they determine whether a number of wheels is possible. Pupils finish...
Curated OER
Spaceship math Multiplication 1-12
In this multiplication instructional activity, students solve 40 problems where they find the product where the factors are the numbers 1 through 12. Space is provided at the bottom of the page to record a goal, the number of problems...
EngageNY
Every Line is a Graph of a Linear Equation
Challenge the class to determine the equation of a line. The 21st part in a 33-part series begins with a proof that every line is a graph of a linear equation. Pupils use that information to find the slope-intercept form of the...
EngageNY
Ordering Integers and Other Rational Numbers II
Individuals build on prior knowledge to order a set of rational numbers from least to greatest or greatest to least. As part of the lesson, they order rational numbers written in different forms.
Curated OER
Pascal's Triangle
In this math worksheet, students read the discussion about the importance of games. They create a game as directed. They also read the rules for the Pascal Triangle.
Curated OER
Combinatorial Games
In this combinatorial games instructional activity, students play math games titled Nim and Isomorphism. Students read 5 sets of directions.
Curated OER
Combinatorial Games
In this games worksheet, students play games such as tic-tac-toe, poison cookie, numbers games, box games, and more. Students play six higher order thinking math games.
Curated OER
Fuel Efficiency
Looking for a real-world situation to practice converting units? For this problem, learners must change miles per gallon to liters per km (or vice versa) to determine which car gets better gas miileage. It is a relatively short problem,...
Illustrative Mathematics
Boxes and Cartons of Pencils
Boxes and cartons of pencils are a natural, real-world example for understanding bundles of ten and their relationship to a hundred. When you have many cartons, you can discuss place value, and how to represent multiple hundreds.
Curated OER
Multiplication Table: Facts From 1-12
In this multiplication worksheet, students complete a multiplication table with facts from 1- 12. There are some numbers provided as hints.
Curated OER
Fill- In Multiplication Grid Problems 30% Open
In this multiplication worksheet, students fill in a multiplication chart with products from the factors 1 to 12. The chart is 70% filled in and students supply the remaining products.