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Handout
Prince Edward Island

Fact Learning, Mental Computation, Estimation

For Teachers 4th - 6th Standards
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...
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Lesson Plan
Curated OER

Mental Money

For Teachers 3rd - 4th
Students access prior knowledge to round numbers and add decimals. For this mental math lesson, students share the book Betcha and calculate estimates for three jars based on the book. Students calculate money answers based on coins...
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Worksheet
Curated OER

Mental Math Methods

For Students 4th - 6th
In this mental math worksheet, learners use mental math methods to solve problems. Students complete 1 addition, 1 multiplication, and 1 subtraction problem using these methods.
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Lesson Plan
For the Teachers

$1 Math

For Teachers 2nd - 7th Standards
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate simple sums.
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Worksheet
Curated OER

Reteach: Choosing the Method of Computation

For Students 3rd - 4th
For this computation methods worksheet, students read about reasons for choosing various methods, read a sample problem and reasoning, then solve 4 additional problems related to the sample problem. A reference web site is given for...
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Worksheet
Curated OER

Mental Math: Use the Properties-Reteach

For Students 4th - 5th
In this mental math reteach worksheet, students review the commutative, associative and distributive properties, then complete a set of 13 problems. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Computation and Estimation

For Teachers 3rd - 5th
Learners read "Moosey Saves Money" and use mental math to determine if Moosey is saving any money. In this math computation and estimation lesson, students discuss the story in relation to saving money, recording in their math journal....
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Lesson Plan
Curated OER

Rice Cookies Addition

For Teachers 4th
Fourth graders practice adding rice cookies. In this mental math instructional activity, 4th graders get into groups and call out numbers to each other to add mentally. Students use the rice cookies to show the answer.
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Worksheet
Curated OER

Multiplying by 100

For Students 4th - 6th
In this math worksheet, students learn the tricks to multiply any number by 10, 100 or 1000. There are 75 problems on 3 pages, both written horizontally and vertically with instructions and picture illustrations to help students.
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Lesson Plan
Curated OER

Mental Math: Addition and Subtraction

For Teachers 4th
Fourth graders exercise their minds in completing mental math skills of adding and subtracting by making multiplies of ten. They compute problems involving multiplication and division of whole numbers and addition and subtraction of...
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Worksheet
Curated OER

Fun Figures

For Students 3rd - 4th
In this mental math worksheet, students solve 4 problems pertaining to scoring points in a target game. Students compute game scores mentally to answer each story problem.
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Lesson Plan
Alabama Learning Exchange

Comparing Fuel Economy

For Teachers 4th - 7th Standards
Compute fuel economy and gas mileage. Why? So you can teach rates and ratios, of course! Middle schoolers calculate the rate of miles per gallon for various vehicles. They research each vehicle, its mileage per gallon, and cost per...
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PPT
DataWorks

4th Grade Math: Multi-Step Word Problems

For Students 4th Standards
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. 
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Worksheet
Curated OER

Think of a Number

For Students 4th - 6th
In this math worksheet, students engage in a mental math activity. Student think a number and follow several computations with that number and always come up with the answer 9. Students discuss why this happens.
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Lesson Plan
Curated OER

Investigations into Estimations

For Teachers 4th - 6th
Students gain the powerful tools of estimation, prediction, and averaging and discover the importance these tools have in daily living.
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PPT
Curated OER

Horizontal Addition

For Teachers 3rd - 4th
Here are four examples of double-digit horizontal addition. Learners are shown how to compute numbers horizontally, by first adding the tens and then the ones columns and then adding them both together. This is a great way to boost...
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Lesson Plan
Curated OER

Word Problem Exchange

For Teachers 4th - 12th
Students discuss elements of word problems: key words, data, computation clues, and unnecessary information and use the four steps of problem solving to find a solution and check for reasonableness.
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Lesson Planet Article
Curated OER

Roll Seven!

For Teachers 2nd - 6th
Roll Seven is a fun and engaging dice game that encourages the use of mental math.
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Lesson Plan
New Zealand Ministry of Education

Fraction Bar

For Teachers 4th - 5th Standards
Computing class members encounter use a digital learning tool called The Fraction Bar to multiply fractions with whole numbers. They do so by finding a given fraction of a number either on a number line or by calculating the answer with...
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Lesson Plan
Curated OER

Multi-Digit Multiplication

For Teachers 4th
Fourth graders practice mastering the ability to multiply multi-digit numbers utilizing rectangular arrays and a variety of mental math strategies. They model and illustrate meanings of multiplication and division of whole numbers and...
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Lesson Plan
Curated OER

The Nuts and Bolts of a Mathematical Expression

For Teachers 4th
Fourth graders complete a worksheet that asks them to order operations within a mathematical expression. students evaluate the expressions in the correct order using mental math and paper. The results are recorded on the worksheet.
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Worksheet
Curated OER

Time and Timetables

For Students 4th - 7th
In this time and timetables activity, students draw hands on a clock-face to show a determined time.  They look at a timetable and compute the length of a journey.  This four-page activity contains approximately 25 problems.
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Lesson Plan
Curated OER

Uncle Bubba Is Dead!

For Teachers 3rd - 5th
Learners spend imaginary inheritance of $100,000 on a home and furnishings.
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Lesson Plan
Curated OER

Out to Lunch

For Teachers 4th
Fourth graders use their computation skills and a menu from a local restaurant to plan a lunch with a cost of $5.00 or less.

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