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\n\"Mental\n\n
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\nCurated OER\n
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\nMental Math - Multiplication and Division\n

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\n\nFor Teachers\n\n3rd - 5th\n
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\nA 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...\n
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\n\"Mental\n\n
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\nCurated OER\n
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\nMental Math: Adding 10s\n

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\n\nFor Students\n\n1st\n
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\nTo 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...\n
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\n\"Mental\n\n
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\nMental Math, Adding Decimals, Multiplication Facts\n

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\n\nFor Teachers\n\n3rd - 4th\n
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\nA 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...\n
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\n\"Mental\n\n
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\nCurated OER\n
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\nMental Math: Subtract Tens, Problem Solving\n

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\n\nFor Students\n\n2nd - 3rd\n
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\nSubtracting by 10s is easy for your young learners with this activity! There are three questions to accompany a bar graph, and there's a space for learners to explain their answers. Encourage them to use mental math here! \n
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\n\"Mental\n\n
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\nMental Math: Breaking Apart to Add \n

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\n\nFor Students\n\n1st - 2nd\n
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\nDevelop mental math addition skills by breaking apart addends into 10s and extras. Worksheet has problem solving steps at the top of the page, and 8 practice exercises that lead to increasing independence using the process. \n
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\n\"The\n\n
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\nEngageNY\n
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\nThe Division Algorithm—Converting Decimal Division into Whole Number Division Using Mental Math\n

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\n\nFor Students\n\n6th\n\nStandards\n
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\nMake 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...\n
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\n\"Mental\n\n
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\nPhysEdGames\n
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\nMental Math Warm-Up\n

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\n\nFor Students\n\n1st - 8th\n
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\nUse a simple warm-up that has pupils solving math equations to determine the number of reps for a certain exercise. Learners use mental math to solve basic equations. Next, they must do the same number reps of whatever exercise...\n
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Interactive
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\nCK-12 Foundation\n
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\nMental Math to Evaluate Products: Mental Math Halloween Candy\n

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\n\nFor Students\n\n6th\n
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\nTime to put those mental math strategies into play with an interactive that has learners thinking about how many candies three friends get altogether.\n
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\n\"Mental\n\n
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\nMental Math to Divide by Whole Number Powers of Ten: Mental Math to Divide Decimal Powers of Ten\n

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\n\nFor Students\n\n6th - 8th\n\nStandards\n
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\nBoost mental-math skills with an interactive that focuses on dividing whole numbers by powers of 10. Mathematicians solve five fill-in-the-blank and multiple-choice questions with help from a moveable decimal point in four example...\n
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Interactive
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\nMental Math to Multiply by Whole Number Powers of Ten: The Rule for Tens\n

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\n\nFor Students\n\n6th - 8th\n\nStandards\n
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\nEight questions challenge scholars to use mental math while multiplying whole numbers by powers of 10. A tool with bouncing decimals demonstrates how and where the decimal moves. Question types include several multiple-choice, a...\n
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\nHow Many Hundreds?\n

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\n\nFor Students\n\n2nd - 3rd\n\nStandards\n
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\nMental 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...\n
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\n\"Mental\n\n
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\nMental Math Relay\n

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\n\nFor Teachers\n\n4th\n
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\nFourth graders use mental math, paper and pencil and calculators to solve problems. They are put into teams and race to see who gets the most correct answers per round. This lesson strengthen mental math and estimation skills.\n
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Instructional Video2:59
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\nHow Do You Mentally Find Percents That are Powers of 10?\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nPowers 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!\n
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Instructional Video3:35
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\nHow Do You Mentally Find Percents That are Powers of 10?\n

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\n\nFor Teachers\n\n6th - 12th\n
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\nPowers 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!\n
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\n\"Easy\n\n
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\nCurated OER\n
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\nEasy Mental Multiplication\n

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\n\nFor Students\n\n5th - 6th\n
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\nIn this math worksheet, students learn to multiply larger numbers by one or two digits mentally. Students read the simple techniques and then solve 25 multiplication problems using these mental math skills.\n
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Instructional Video1:14
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\n\"Multiplying\n\n
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\nMultiplying 2 Digit Numbers Mentally\n

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\n\nFor Teachers\n\n3rd - 8th\n
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\nHave 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.\n
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\n\"Mental\n\n
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\nEngageNY\n
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\nMental Math\n

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\n\nFor Students\n\n10th - 12th\n\nStandards\n
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\nFaster than a speedy calculator! Show your classes how to use polynomial identities to multiply numbers quickly using mental math. \n
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\n\"Number\n\n
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\nCurated OER\n
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\nNumber of the Week\n

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\n\nFor Teachers\n\n3rd - 5th\n
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\nHere is an inventive, easy, and quick mental math activity you can use with your charges each week. You write a number on the board, then a student selects a card which tells them what to do with the number. One card says, \"Multiply by...\n
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\n\"Using\n\n
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\nUsing Known Facts to Multiply and Divide Mentally\n

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\n\nFor Teachers\n\n4th - 5th\n
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\nBuilding 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...\n
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PPT
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\n\"Mass\n\n
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\nCurated OER\n
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\nMass Lesson\n

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\n\nFor Teachers\n\n2nd - 3rd\n
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\nIt's not just a slideshow, it's a lesson on mass. First, learners complete a mental math warm-up, where they determine the number before and after a series of given numbers, then they form groups to weigh packages and compare mass....\n
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Worksheet
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\n\"Addition\n\n
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\nDK Publishing\n
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\nAddition Practice #2\n

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\n\nFor Students\n\n2nd - 3rd\n\nStandards\n
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\nEncourage young scholars to tap into their inner math-whiz as they add three and four-addend equations. The first 36 problems each have three addends (none over two-digit), and are written horizontally. Next, they complete eight more...\n
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\n\"Number\n\n
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\nNumber Puzzles\n

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\n\nFor Students\n\n1st - 2nd\n\nStandards\n
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\nThese 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...\n
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\n\"Speed\n\n
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\nSpeed Trials: Final Test\n

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\n\nFor Students\n\n3rd - 5th\n\nStandards\n
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\nHow quickly can your third graders solve these 63 math problems? Ranging from addition, subtraction, multiplication, and division, you can use this resource to assess your students' mental math. Cut the activity into thirds to make the...\n
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\n\"Subtraction\n\n
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\nSubtraction Word Problems\n

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\n\nFor Students\n\n1st - 2nd\n\nStandards\n
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\nPractice 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...\n
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