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222 resources with the keyterm mental math

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Other Resource Types (222)

EngageNY Grade 6 Math Module 2: Arithmetic Operations Including Division of Fractions

For Teachers 6th Standards
Twenty-one lessons and two exams make up a math unit all about decimal operations and division of fractions. By way of direct instruction, discussion, guided practice, collaborative learning, and independent practice scholars solve...
Lesson Planet

Mental Math - Multiplication and Division

For Teachers 3rd - 5th
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...
Lesson Planet

Mental Math, Adding Decimals, Multiplication Facts

For Teachers 3rd - 4th
A thorough presentation is chock full of great tips on how to develop mental math skills, add decimals, and reinforce the memorization of multiplication facts. Learners solve a variety of problems, while getting tips along the way. An...
Lesson Planet

The Reason It Is Unreasonable enrichment 18.3

For Students 4th - 5th
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.
Lesson Planet

Algebra: Use Mental Math to Solve Equations - Practice 2.8

For Students 5th - 6th
This problem solving worksheet requires mental math to solve 20 Algebra equations involving addition, division, subtraction and multiplication.
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Mental Math: Adding 10s

For Students 1st
To develop mental math skills for adding 10s, learners read an example, solve one carefully scaffolded problem, and then complete 6 more independently. Pictures of 10-rods make the connection between sets of 10 and the corresponding...
Lesson Planet

Solve Multiplication Problems: Using Associative Property

For Students 2nd - 4th Standards
Knowing the associative property can make solving addition and multiplication problems much easier for young mathematicians. The final video in this series demonstrates how multiple factors in multiplication problems can be grouped in...
Lesson Planet

How Do You Mentally Find Percents That are Powers of 10?

For Teachers 6th - 8th
Powers of 10 are about moving the decimal around. The instructor illustrates how to move the decimal when it's ten percent or it's one percent. Once you understand this procedure you can do the mental math, in your head of course!
Lesson Planet

Multiplying 2 Digit Numbers Mentally

For Teachers 3rd - 8th
Have your class multiply two-digit numbers using mental math. This video goes through a step-by-step explanation of this process. You could have learners explain this process to a partner to make sure they understand the procedure.
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For Teachers 4th - 6th Standards
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

How Do You Mentally Find Percents That are Powers of 10?

For Teachers 6th - 12th
Powers of 10 are about moving the decimal around. The instructor illustrates how to move the decimal when it's ten percent or it's one percent. Once you understand this procedure you can do the mental math, in your head of course!
Lesson Planet

Speed Trials #4

For Students 2nd - 4th
Challenge your third graders' multiplication skills with multiplication drills. After reviewing the times tables up to 10, have them work on sixty problems, either as a unit assessment or a time trial. For a shorter activity, cut each...
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Number Puzzles

For Students 1st - 2nd Standards
These math puzzles are sure to get your first and second graders thinking. Nine word problems about odds and evens, as well as greater than and less than, keep learners guessing. If you're working on mental math in your class, use these...
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Multiples of 9

For Students 3rd - 4th
Your third graders might know how to solve multiplication problems with multiples of nine - but what if the problems are written out? Four sections of multiplication problems prompt learners to interpret the way each problem is written...
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Multiples of 8 #2

For Students 3rd - 4th Standards
How quickly can your third graders recite their eight times table? Help them with their mental math by focusing on multiplying by eight. After completing six number sequences, pupils solve word problems and multiplication sentences. A...
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Times Tables Practice Grids

For Students 3rd - 4th
Warm up your third graders' times table skills with a helpful worksheet. With six grids detailing different times tables, this resource is sure to help even your struggling multiplication learners. Use it as a reference page once kids...
Lesson Planet

Subtraction Word Problems

For Students 1st - 2nd Standards
Practice mental math using a worksheet full of subtraction word problems! First graders subtract slices of pizza, books from a shelf, and balls that are buried by a dog. They write the answer to each problem in the space provided after...
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Multiplies of 9 #2

For Students 3rd - 4th Standards
Reinforce the multiplying by nine as a number pattern. After completing sequences of the multiples of nine, pupils decipher a pattern in the entire nine times tables. Finally, they write down any patterns that they see. A great way to...
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Subtraction Sentences, Part 2

For Students 1st - 2nd Standards
Take word problems one step further with apples, dimes, and bricks! After reading the word problems, first graders write out the subtraction sentence and solve the problems. For extra practice, bring in different items and have them...
Lesson Planet

Using Doubles

For Students K - 2nd Standards
Bring this easy shortcut to your first grade addition lesson!  By adding doubles (6+6, for example), and then adding or subtracting 1, kids learn how to solve simple addition problems with ease. This trick is especially helpful for...
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Picture Graphs

For Students K - 1st Standards
An innovative way to practice reading data, as well as the four operations! Three picture graphs prompt first graders to count marbles, books, and pets. They also solve addition and subtraction problems. Additionally, they work on...
Lesson Planet

Multiplying by 10 and 100

For Students 4th - 6th Standards
Work on multiplication and division with your fifth graders. They practice multiplying and dividing by 10s and 100s in four sections of problems, all written in varying formats. A great way to reinforce your math lesson!
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Multiplies of 8

For Students 3rd - 4th Standards
Master mental math using multiples of eight. It features several different types of multiplication problems, such as written equations, horizontal equations, and word problems. The 8 times table is at the top of the page for quick...
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Multiples of 8 Drills

For Students 3rd - 5th Standards
Who can finish this multiplication drill first? Third graders practice their 8 times tables with this speed trial, which includes 60 multiplication problems. Each problem multiplies 8 by a number from 1 to 10. Give the whole page as an...