Worksheet
DK Publishing

Using the 2 Times Tables

For Students 2nd - 4th Standards
If your third graders have a hard time with multiplication, visualizing the problems might help. Six problems show learners how to count pairs of boxes to solve multiplication with the two times table. At the end, they draw boxes to...
Interactive
CK-12 Foundation

Greatest Common Factor Using Lists: Tiling the Kitchen Floor

For Students 6th Standards
Use a combination of tiling a rectangle to find area and find the greatest common factor of the lengths of two sides and the area they create. Pupils increase and decrease the sides of the rectangle before answer five questions...
Interactive
CK-12 Foundation

Intercepts by Substitution: Finding a Linear Product Using a Quadratic

For Students 9th - 12th Standards
Discover another way to interpret multiplication. Using an interactive, learners slide points (representing the factors of multiplication) along the x-axis of the graph of y = x^2 and observe changes in the line segment connecting the...
Worksheet
Curated OER

Simple Use of Parentheses #3

For Students 4th - 6th Standards
Do your mathematicians know how to use parentheses in equations? Give them a activity to hone their skills in order of operations. They work out 20 simple problems involving parentheses, then choose which problem out of six adds up to a...
Lesson Plan
West Contra Costa Unified School District

Mixture Problems

For Teachers 8th - 10th
Mix up your lessons with the resource on mixture problems. Scholars use manipulatives to model and solve mixture problems. Individuals then set up both one- and two-variable equations to solve the problems.
Worksheet
1
1
Los Angeles Valley College

Solving Quadratic Equations Using the Quadratic Formula

For Students 9th - 12th Standards
Work your way through different quadratic equations with this problem solving resource. The worksheet has twenty problems of different difficulties to get your learners confident in solving these types of problems.
Interactive
CK-12 Foundation

Greatest Common Factor Using Lists

For Students 6th Standards
By creating a list of factors for two numbers, it is easier to see the greatest common factor. Each question in an interactive resource asks pupils to identify the greatest common factor for the numbers 24 and 36 in several...
Interactive
CK-12 Foundation

Proportions Using Cross-Multiplication: Proportions Using Cross Product

For Students 6th - 8th Standards
Don't get it crossed—the resource is a great one. Scholars read and watch a video that explains proportions and cross products. They then use an interactive to determine that cross products are equal and answer a set of challenge...
Interactive
CK-12 Foundation

Alternate Formula for the Area of a Triangle: Alternate Area of a Triangle

For Students 10th - 12th
It's always nice to have a plan B. Pupils investigate an alternate formula for the area of a triangle that uses sine. A set of challenge questions shows how the new formula relates to the well-known formula of (1/2)bh.
Interactive
CK-12 Foundation

Standard Form of Linear Equations: Seesaw

For Students 8th - 10th Standards
Don't hem and haw, learn about equations using a seesaw. An easy-to-use interactive has pupils move a seesaw on a coordinate plane to investigate the standard form of a linear equation. By completing a set of challenge questions, they...
Worksheet
DK Publishing

Multiplying and Dividing by 10, Part 3 - Using the 10 Times Table

For Students 2nd - 4th Standards
Challenge your third graders on the 10 times tables. Given three numbers at the top of each table, learners fill in the missing numbers to complete three more multiplication and division problems. This resource is a great way to extend...
Worksheet
DK Publishing

Tricky Word Problems, Part 2 - Choosing the Operation

For Students 2nd - 3rd Standards
Can your learners figure out which equation to solve? Use this resource to challenge your third graders with word problems involving the four operations. Each problem has a section to write the answer, but pupils will need to write out...
Interactive
CK-12 Foundation

Properties of Equality and Congruence: Justifying Algebraic Steps

For Students 8th - 10th
No need to justify using this resource. Learners drag justifications for each step of solving an equation in an interactive. To see if they are correct, all they need to do is use a slider and the correct answers appear.
Interactive
CK-12 Foundation

When to Use the Distributive Property: Rational Expressions

For Students 6th - 8th Standards
Discover how the distributive property applies to division. As learners change numeric values within an expression, the simulation calculates its value. Challenge questions lead individuals to realize the power of distributing the...
Interactive
CK-12 Foundation

Existence: One-to-One Functions and Inverses

For Students 11th - Higher Ed Standards
One-to-one means the answer is simple, right? Given four graphs, pupils use a vertical line to test each graph to find out if they are one-to-one. By using the resource, learners realize that not all one-to-one relations are functions....
Lesson Plan
2
2
CK-12 Foundation

Zero Product Principle

For Teachers 9th - 10th Standards
Some lessons feature videos, some interactive practice problems, and some have notes and activities. This comprehensive look at factoring and solving polynomial equations using the zero product principle has all of this and more. Though...
Lesson Plan
New York State Education Department

TASC Transition Curriculum: Workshop 4

For Teachers 9th - 12th Standards
Why is it important to use precise language? Participants explore this question in the fourth activity in a series of 15 on effective instruction. Perfect for all content areas, the activity promotes appropriate language choice through...
Interactive
CK-12 Foundation

Solving Equations Using the Pythagorean Theorem: Cryptography

For Students 8th - 10th Standards
Don't keep this resource a secret. Individuals learn to use the Pythagorean Theorem to find Pythagorean triples. They also see how Pythagorean triples can be useful in the field of cryptography to encrypt secret messages.
Interactive
CK-12 Foundation

Applications Using Linear Models: Scuba Diving

For Students 7th - 10th Standards
Dive into this resource on rates of change and linear models. Pupils use two sliders in an interactive to adjust water temperature and depth. They use a given linear equation to calculate the rate of change in water temperature per unit...
Worksheet
Curated OER

Real-life Problems, Working with Decimals

For Students 4th - 5th Standards
Put your learners' decimal skills to the test with these five word problems. With space for students to write their work, the word problems contain addition and multiplication problems with money and measurement units. Use this resource...
Worksheet
1
1
DK Publishing

Numbers 1 to 20

For Students Pre-K - 1st Standards
Practice writing numbers with fun kites. Kindergartners will rise to the highest height as they match the numbers to their correct written forms: 11 to eleven, 14 to fourteen, etc. Use this resource as a class activity or as a review...
Worksheet
Curated OER

Subtracting Decimals

For Students 4th - 6th Standards
How well can your fifth graders work with decimals? What about subtracting decimals? Use this resource to practice these important skills. Sixteen problems help pupils subtract decimals to the hundredths place, while 10 problems at the...
Worksheet
Curated OER

Writing Numbers

For Students 2nd - 4th
A multi-faceted approach to place value! Third graders write four-digit numbers, as well as interpreting the written forms of large numbers. Use the resource as a unit assessment, or in parts as a warm-up activity throughout the week. 
Lesson Plan
EngageNY

Estimating Probability Distributions Empirically 2

For Teachers 11th - 12th Standards
Develop probability distributions from simulations. Young mathematicians use simulations to collect data. They use the data to draw graphs of probability distributions for the random variable in question.