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Lesson Plan
Curated OER

Mental Math Blocks

For Teachers 4th - 5th
In this mathematics worksheet, students solve various types of problems in each of the squares. They use symbols to compare numbers. They also divide and multiply.
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Worksheet
Curated OER

Estimating Quotients

For Students 4th Standards
Put down those calculators! Show scholars they can solve division problems mentally using rounding strategies. They divide four-digit dividends by one-digit divisors, competing 26 problems in all. The first eight have some scaffolding...
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Worksheet
Curated OER

Powers of Ten

For Students 5th
In this powers of ten worksheet, 5th graders multiply and divide decimals by multiples of ten. They mentally solve simple problems containing powers of ten. This two-page worksheet contains 10 problems.
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Lesson Plan
Alabama Learning Exchange

Ice Fishing is for the Birds

For Teachers K - 1st Standards
Approach addition with young mathematicians in an engaging way through this penguin-inspired activity. In small groups, scholars think about times they have used addition in their real lives (there are some suggestions given), then watch...
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Lesson Plan
Curated OER

Dominos As Fractions

For Teachers 4th - 6th
Students investigate the concept of using fractions in a variety of different contexts. They participate in a hands on activity in the stead of book work. The goal is to get them acquainted with the use of fractions using mental math...
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Lesson Plan
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Delaware Math Cadre Elementary Committee

Operations and Algebraic Thinking

For Teachers 4th Standards
How to use the relationship between multiplication and division to solve math word problems is the focus of the activity presented here. In it, fourth graders work in groups to solve problems posed by the teacher. Then, each group is...
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Unit Plan
National Security Agency

Introducing Integers and Their Operations

For Teachers 6th - 8th Standards
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class to...
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Worksheet
Curated OER

Mental Division Year 4

For Students 3rd - 4th
In this finding the quotients in word problems worksheet, students divide two-digit and three-digit numbers by one-digit numbers and find the factors of numbers. Students solve 12 problems.
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Worksheet
Curated OER

Division Problems to Calculate Mentally

For Students 4th - 6th
In this division worksheet, students answer a set of 10 questions, trying to answer all questions "in their head." Answers are included on page 2.
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Lesson Plan
Curated OER

Using Math with Sale Papers

For Teachers 5th
Fifth graders estimate their results and then prove through calculations. In this math lesson, 5th graders solve problems using multiplication, division, addition, and subtraction. They also use mental math to solve their problems.
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Organizer
Curated OER

Divide and Conquer: Division Rules

For Students 3rd - 4th
For this division rules worksheet, students name the division rules used in a set of tables, then fill in missing input and output numbers to complete, 4 tables total.
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Lesson Plan
Curated OER

Fast Facts

For Teachers K - 5th
Ever use the inner circle/outer circle method of learning? Placing learners in a stationary inner circle and a rotating outer circle, they roll a die and attempt to be the first to call out an addition or multiplication equation with the...
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Worksheet
Curated OER

Mental Division of Whole Numbers

For Students 4th - 6th
In this mental division learning exercise, students utilize mental arithmetic to answer forty division math problems dealing with whole numbers. Students check their answers online as they go.
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Lesson Plan
Curated OER

Dividing by 4's

For Teachers 3rd
Third graders explore math functions by completing problem solving activities. In this division lesson, 3rd graders utilize the division strategies acquired earlier to divide multiple digit numbers by 4's. Students complete problems on...
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Lesson Plan
Curated OER

Dividing by 3's

For Teachers 3rd
Third graders review and practice strategies for solving division problems. In this division by 3's lesson, 3rd graders play games, use an interactive whiteboard, create flashcards, and solve word problems. 
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Worksheet
Curated OER

Division Equations

For Students 9th - 10th
In this division worksheet, students solve algebraic problems containing fractions. This one-page worksheet contains 11 problems. Answers are provided. This worksheet may be completed on-line or produced in printed form.
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Lesson Plan
Curated OER

Mental Math

For Teachers 1st - 3rd
Students participate in an online computation game. In this computation lesson, students practice simple computations and use an internet site to review addition and subtraction facts.
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Lesson Plan
Curated OER

Topsy-Turvy Math With Rational Numbers

For Teachers 4th
Fourth graders complete a worksheet. As a whole class, 4th graders hear a lecture and complete a worksheet on factors, multiplicative inverses and reciprocals, finding the quotient of two fractions and the division of fractions to...
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Worksheet
Curated OER

Arithmetic: Division of Decimals

For Students 8th - 10th
For this arithmetic worksheet, students mentally divide whole numbers and decimals.  They translate word problems to equations and then solve them.  This six-page worksheet contains approximately 70 problems.  Answers are provided on the...
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Worksheet
Curated OER

Operations Word Problems

For Students 4th
Challenge your class with this problem solving instructional activity. Learners answer the seven problems using division and multiplication skills.
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Worksheet
Curated OER

Fantastic Fractions

For Students 5th - 7th
Young math whizzes solve 20 various types of equations related to fractions. First, they state each portion shaded as a fraction in lowest terms. Then, they determine the missing numerator or denominator and determine the value of each...
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Lesson Plan
Curated OER

Alternative Algorithms

For Teachers 6th - 8th
Analyze algorithms for computing with rational numbers and develop fluency in their use with your math class. They work individually to solve the problems on the "Alternative Algorithms" sheet. Then, they analyze the appropriateness of...
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Worksheet
Curated OER

Mental Arithmetic Race

For Students 7th - 8th
In this mental arithmetic race, students compute as many arithmetic problems as possible in a given length of time. Problems include whole and decimal numbers. Students mentally divide multiply, and add whole numbers and decimals. This...
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Lesson Plan
Curated OER

Divisibility Rules

For Teachers 6th
Sixth graders strengthen their knowledge of the divisibility rules. Students access that mental math can be faster than the calculator for certain types of problems. Students can make generalizations and discover patterns in finding the...