Worksheet
Curated OER

Mental Math Ideas

For Students 3rd - 6th
For this mental math worksheet, students 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.
Worksheet
Curated OER

Magic Math Morning Work

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

Making Cents of Fractions and Decimals

For Teachers 4th - 5th
Students 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, hands-on...
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...
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.
Worksheet
Curated OER

Significant Figures Worksheet #1

For Students 10th - 12th
In 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...
Lesson Plan
Curated OER

Defining the Difference Between Prokaryotic and Eukaryotic Cells

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

Add and Subtract Decimals

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

Power Functions: A Question of Magnitude

For Students 9th - 12th
In this power functions learning exercise, students 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...
Lesson Plan
Curated OER

Adjusting the Quotient

For Teachers 4th
Fourth graders use number facts to estimate quotients. In this division activity, 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...
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...
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.
Worksheet
Curated OER

Binary Math

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

Simplifying Fractions

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

Breaking Color Barriers

For Teachers 3rd - 5th
Students compare brown eggs and white eggs. In this color lesson, students see two different color eggs and predict what they will look like on the inside. They see that both eggs are the same and compare this to people of different...
Worksheet
Curated OER

Addition Strategies: Compensation

For Students 3rd - 4th
In this math activity, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.
Lesson Plan
EngageNY

Why Were Logarithms Developed?

For Teachers 10th - 12th Standards
Show your class how people calculated complex math problems in the old days. Scholars take a trip back to the days without calculators in the 15th installment of a 35-part module. They use logarithms to determine products of numbers and...
Lesson Plan
Curated OER

Primary and Secondary Sources

For Teachers 4th - 5th
Students understand what primary and secondary sources are. In this primary and secondary sources activity, students take a list of sources and break down to primary and secondary sources.