DataWorks
4th Grade Math: Multi-Step Word Problems
Solving word problems requires reading comprehension and math computation. Through an interactive slideshow presentation, fourth graders observe and follow each step toward solve multiplication and division word problems.
K20 LEARN
Break It Apart: Multiplication Strategies
Reinforce multiplication strategies with a lesson that examines a word problem and the distributive property. Mathematicians work collaboratively to solve the problem, create a poster with their solution, and share their preferred method...
Prince Edward Island
Fact Learning, Mental Computation, Estimation
Need help with mental math in your classroom? This guide is full of tips, tricks, and examples to help the teacher encourage learners to use their brain instead of a calculator. Practice problems are included with reasons how to use...
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...
Illustrative Mathematics
Listing Fractions in Increasing Size
Increase the depth of your class's fractional number sense with this number-ordering activity. Given four fractions, each with different numerators and denominators, young learners are asked to place them in order from smallest to...
EngageNY
Interpreting and Computing Division of a Fraction by a Fraction—More Models
Use a unit approach in developing a fraction division strategy. The teacher leads a discussion on division containing units, resulting in a connection between the units and like denominators. Pupils develop a rule in dividing fractions...
Curated OER
New York City Delights: The Taxi Cab
You set the rate! Step into the shoes of a taxi driver in New York City, and also pretend to be a person who uses taxis to get around town. The class will conduct collaborative research to learn about the history of taxis. Then, they...
Curated OER
Fractions, Decimals, and Percents Got You Down? "Tri" This!
Have your class design their own mathematical study aids. Learners collaborate in groups on the design of tri-fold presentation describing the relationships between mathematical computations. Then, they write a business letter to the...
Illustrative Mathematics
Dan’s Division Strategy
Can Dan make a conjecture about dividing fractions with the same denominators? That is what your scholars are to determine. They must show that if the statement is true, they understand how the quantities were determined, and how the...
Savvas Learning
How Many Hundreds?
Mental math skills are really important to develop. Kids practice metal computation by first adding the hundreds then the tens and ones. There are nine addition and nine subtraction problems to solve. This attractive activity is...
Curated OER
Out of the Dust: Questioning Strategies
Bloom's Taxonomy is a great way to address the many levels of comprehension. With explanations and examples of each level, you can create questions that focus on knowledge, comprehension, application, analysis, synthesis, and evaluation.
Curated OER
Using Parentheses With Computation
In this computations instructional activity, 4th graders solve 7 written expressions utilizing the mathematical strategy of solving what is in parentheses first and then completing the rest of the expression.
Curated OER
An Introduction to Data Reading and Computations
Young scholars discover data reading and computations. In this math lesson plan, students collect nutritional data about intakes of certain foods compared with daily recommended allowances. Young scholars create their own data charts...
Curated OER
Subtraction-There's Got to be An Easier Way!
Third graders observe and demonstrate a variety of problems involving subtraction problems using mental math strategies. They discuss the base ten system and the basic concept of subtraction, and complete a variety of activities...
EngageNY
Mental Math
Faster than a speedy calculator! Show your classes how to use polynomial identities to multiply numbers quickly using mental math.
Curated OER
Math 5 - Act. 01: Multiplication Strategy Review
Fifth graders play a game to practice all of the strategies for multiplication they have memorized.
Museum of Tolerance
Why is This True?
Are wages based on race? On gender? Class members research wages for workers according to race and gender, create graphs and charts of their data, and compute differences by percentages. They then share their findings with adults and...
EngageNY
The Division Algorithm—Converting Decimal Division into Whole Number Division Using Mental Math
Make math much simpler with mental math methods. The 16th installment in a series of 21 looks at ways scholars can apply mental math to convert division problems into easier problems with the same quotient. Multiplying or dividing both...
Curated OER
Section 1: Analogies
Introduce your freshmen to analogies with this packet of prompts that also includes strategies for solving these critical thinking puzzles.
Curated OER
Addition and Subtraction
Students develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.
The New York Times
Understanding the Mathematics of the Fiscal Cliff
What exactly is the fiscal cliff? What are the effects of changing income tax rates and payroll tax rates? Your learners will begin by reading news articles and examining graphs illustrating the "Bush tax cuts" of 2001 and 2003. They...
Radford University
Earthquake Problem
Shake up things in the classroom. The unit uses earthquakes to bring a real-life connection to finding arc lengths, logarithms, and equations of circles. Small groups determine whether particular towns would have felt an earthquake after...
Curated OER
Addition
In this addition worksheet, students enhance their simple addition skills using addition strategies to solve the two worksheets of addition problems.
Curated OER
Multiplication Strategies and Writing Story Problems
Third graders model multiplication problems using Unifix cubes. They compute and solve problems involving addition and subtraction of 3- and 4- digit numbers and basic facts of multiplication and division. They practice mental math...