### We found 296 reviewed resources for mental math strategies

Lesson Planet

#### Mental Math and Compatible Numbers

Strengthen the skills of mental math when using compatible numbers. Find numbers that benefit one another when doing the four operations. Practice correct estimating to make those operations go quicker and better understand if the...

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...

Lesson Planet

#### 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 worksheet is...

Lesson Planet

#### Using Known Facts to Multiply and Divide Mentally

Building strong mental-math skills requires learners to have a strong number sense. They practice multiplying two and three-digit numbers in their heads using estimation or approximation. They estimate or round each number and then...

Lesson Planet

#### $1 Math

Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson plan. Using the coding formula listed, children learn to fluently estimate and calculate simple...

Lesson Planet

#### Mental Math - Multiplication and Division

A challenging presentation outlines strategies for using mental math when multiplying and dividing. Learners solve a variety of problems while getting tips along the way. The PowerPoint should challenge even your best math pupils. Very...

EngageNY

#### Mental Math

Faster than a speedy calculator! Show your classes how to use polynomial identities to multiply numbers quickly using mental math.

Lesson Planet

#### 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...

Lesson Planet

#### Number Bonds to 10

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.

Lesson Planet

#### Look for Easy Numbers for E-Z Addition

All kids learn differently. For some, mental math is the best and most efficient way to add a series of numbers. After viewing a few sample problems, learners find ways to add numbers to 10 before adding them all together, and then write...

Lesson Planet

#### Adding/Subtracting Whole Numbers in Your Head

Exercise those mental math muscles! This worksheet contains 10 addition and 10 subtraction problems which require learners to compute sums or differences in their heads. A quick review at the top of the page provides a strategy based on...

Lesson Planet

#### Fundraising

In order to solve for who raised the most money, learners will need to choose an appropriate math strategy or tool to help them. Two possible solutions, one involving pictures and one involving abstract thought, are presented in the...

Lesson Planet

#### The Maths Race

Here is a terrific lesson which has your kids play an interactive CD-ROM or online game "The Maths Race," focusing on using mental math strategies to solve the problems in the game. In pairs they answer math problems by selecting the...

Lesson Planet

#### Mental Math to Evaluate Products: Mental Math Halloween Candy

Time to put those mental math strategies into play with an interactive that has learners thinking about how many candies three friends get altogether.

Lesson Planet

#### Problem Solving Plan, Mental Math: The Perfect Lemonade 1

Find the perfect amount of water for lemonade. Scholars solve the famous problem of measuring four liters of water using a three-liter container and a five-liter container. An interactive allows users to see each step of the solution.

Lesson Planet

#### Grandpa's Chocolates

It's fun playing a game of "Guess What's in the Jacket Pocket?" Students read the question using the concept of doubles using mental math. They then share their solutions with the class.

Lesson Planet

#### 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.

Lesson Planet

#### Early Mental Math: Practice

Pupils start from a given number and count forward by 1s, 2s, and 10s. They "make ten" in 4 addition problems, and add or subtract 2 in the rest. Finally, they circle the odd numbers in a list from 1-14.

Lesson Planet

#### The Reason It Is Unreasonable enrichment 18.3

In this determining reasonable and unreasonable percents word problem worksheet, students use mental math and estimation to solve and determine if statements are reasonable or unreasonable. Students solve and explain six problems.

EngageNY

#### Fluency with Percents

Pupils build confidence working with percents as they work several types of percent problems to increase their fluency. The resource contains two sets of problems specifically designed to build efficiency in finding solutions of basic...

Lesson Planet

#### Helping a Friend (+10 and Some More)

Start this addition lesson plan with a challenge: project a ten frame with three counters for three seconds and then ask pupils if (and how) many. Give learners individual mats and counters, and model a double ten frame activity: five...

Lesson Planet

#### Problem Solving Plan, Mental Math: The Perfect Lemonade 2

Drink in this resource. Young problem solvers investigate a different way of looking at the problem of filling four liters of water from a three-liter cylinder and a five-liter cylinder. Isometric grids help with this understanding.

Lesson Planet

#### Mental Math Strategies

In this mental math worksheet, students use mental math to add and subtract, to compare equations, and answer 2 "Test Prep" questions. Reference to Houghton Mifflin text is given.

Lesson Planet

#### 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...