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Lesson Plan
EngageNY

Divisibility Tests for 3 and 9

For Students 6th Standards
Who knew the sum of a number's digits gives such interesting information? The 18th installment of a 21-part module has scholars investigate division by three and nine. After looking at several examples, they develop divisibility tests...
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Worksheet
Curated OER

Mental Math Ideas

For Students 3rd - 6th
In this mental math worksheet, learners complete the multiplication and subtraction problems where they use the strategy "subtract all digits from 9 except the last one from 10". Students complete 26 problems.
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Worksheet
Curated OER

Magic Math Morning Work

For Students 1st - 2nd
In this fact families worksheet, students solve 10 problems in which single digits are added with sums to ten. Students then check each problem using subtraction.
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Lesson Plan
Curated OER

Making Cents of Fractions and Decimals

For Teachers 4th - 5th
Young scholars explore decimals and fractions using groups of 100 pennies. By classifying the pennies in different ways, there are an unlimited number of ways to learn fractions, decimals, and place value in money. This is a good,...
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Worksheet
Curated OER

The Irrational Numbers

For Students 9th - 11th
In this algebra learning exercise, students solve rational numbers using addition, subtraction and multiplication. They identify the rules of solving rational and irrational numbers. There are 50 questions on 6 pages.
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Worksheet
Curated OER

Add and Subtract within 20

For Students 1st - 3rd
These true equations are missing numbers. Scholars examine a set of possible answers to fill in each of the nine equations. Consider covering up the answer options, as it may be more helpful to have learners simply figure these out...
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Worksheet
Math Mammoth

Decimal Problems

For Students 7th - 8th
In this math worksheet, students are given tables and story problems with decimal points. Students must use the tables and story problems to find 10 answers about the data.
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Worksheet
Curated OER

Significant Figures Worksheet #1

For Students 10th - 12th
For this significant figures worksheet, students solve forty eight problems. They identify significant figures in numbers, they complete calculations of addition and subtraction and identify significant figures, they multiple and divide...
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Lesson Plan
Curated OER

Equal Additions

For Teachers 5th - 6th
Students explore the relationships between numbers through the use of "equal addition" and "equal subtraction." Through the use of number sense, they are able to computer addition and subtraction problems mentally. Individually,...
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Lesson Plan
Curated OER

Defining the Difference Between Prokaryotic and Eukaryotic Cells

For Teachers 7th - 12th
Learners examine microscopic life by conducting a scientific investigation. In this cell analysis lesson, students define the prokaryotic and eukaryotic cells and discuss their word origins. Learners view each type of cell on slides...
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Worksheet
Curated OER

Add and Subtract Decimals

For Students 4th - 6th
In this decimal worksheet, learners read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
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Lesson Plan
Curated OER

Study Buddies: Using Front-End Estimation

For Teachers 4th - 5th
In this math worksheet, students will work with a coach to estimate equations using front-end estimation. Students will follow a step-by-step process and notes are provided for the coach.
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Worksheet
Curated OER

Arithmetic Revisions

For Students 9th - 11th
In this algebra worksheet, students perform basic addition and subtraction operations by finding the missing digits. There are 30 questions dealing with multiplication, addition and graphing.
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Worksheet
Curated OER

Power Functions: A Question of Magnitude

For Students 9th - 12th
In this power functions worksheet, high schoolers read about determining the brightness of stars using a magnitude scale. Students solve 4 problems including finding the magnitude differences of stars and determining equivalent magnitudes.
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Lesson Plan
Curated OER

Adjusting the Quotient

For Teachers 4th
Fourth graders use number facts to estimate quotients. In this division lesson, 4th graders examine long division problems to determine which multiple of ten will help them determine a number that is close to a quotient. They adjust the...
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Lesson Plan
Curated OER

Review of Significant Digits

For Teachers 9th - 12th
In this significant digits worksheet, students review the rules for performing calculations with significant digits. Students then express answers with the correct number of significant digits. This worksheet has 3 short answers and 1...
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Lesson Plan
Curated OER

Mathematics: Prime and Composite Numbers

For Teachers 6th
Sixth graders explore how to apply the commutative property and the rules of divisibility. They examine the difference between prime and composite numbers.
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Worksheet
Curated OER

Binary Math

For Students 11th - 12th
In this Algebra II/Pre-calculus instructional activity, students represent decimal numbers in binary form and compute with binary numbers.  The four page instructional activity contains eleven questions.   Answers are included.
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Lesson Plan
Curated OER

Examining Estimation

For Teachers 2nd
Second graders participate in various activities which help them explain and explain the difference between an estimate and an exact amount.
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Lesson Plan
Curated OER

Understanding Interactions Among Local Species and the Local Environment

For Teachers 11th - 12th
Students examine the differences between biotic and abiotic factors, explain the difference between habitat and niche and compare how organisms get their nutritional needs.  In this local environment activity students trace the path of...
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Worksheet
Curated OER

Subtract Across Zeros

For Students 2nd - 4th
In this subtraction practice instructional activity, students sharpen their problem solving skills as they solve 6 story problems that require them to subtract across zeros.
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Interactive
Curated OER

Simplifying Fractions

For Students 8th - 10th
In this algebra worksheet, students simplify fractions using common denominators. They solve using addition and subtraction. There are 6 questions with an answer key.
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Lesson Plan
Curated OER

My Decimal Number

For Teachers 3rd
Third graders brainstorm different ways to represent decimal fractions. They draw on their knowledge of decimal place value, addition and subtraction of decimals, and writing decimals in words and symbols. Students discuss the meaning...
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Worksheet
Curated OER

Subtracting Numbers up to 10

For Students 1st - 2nd
In this subtraction worksheet, students complete a set of 20 single digit addition problems. An answer key is included on page 2.