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Lesson Plan
Curated OER

Digital Photography

For Teachers K - 12th
Scholars learn to use digital cameras to take pictures of natural subjects. They will examine the use of digital cameras, how to download photos, and to develop a digital project. They take nature pictures and develop a Power Point or...
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Worksheet
Math Salamanders Ltd.

Multiplication - 2 Digits by 1 Digit Sheet 3

For Students 3rd - 4th
Third and fourth-graders multiply two digits by one-digit numerals with some regrouping. They solve 15 problems.
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Lesson Plan
Curated OER

Manipulating Digital Images

For Teachers 9th - 12th
High schoolers work with pre-loaded images as well as with a digital camera to manipulate digital images. At the end of the instructional activity, they analyze and write about their work using complete sentences, correct grammar, and...
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Lesson Plan
Code.org

Encoding B and W Images

For Teachers 9th - 12th
Imagine drawing with zeros and ones. The third lesson in a unit of 15 introduces the class to creating black and white images. Pairs get together to create an encoding scheme in order to make these images. They move on to a using a...
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Worksheet
Math Salamanders Ltd.

Division - 4 digits by 1 digit sheet 3

For Students 4th - 6th Standards
Here is a division instructional activity in which learners divide four-digit numbers by one-digit numbers. They complete nine four-digit by one-digit division problems.
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Worksheet
Math Salamanders Ltd.

Column Addition (No Carrying) 3 Digits Sheet 2

For Students 2nd - 4th Standards
In this column addition worksheet, students add two- and three-digit numbers together without regrouping. They complete 15 addition problems.
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Worksheet
Math Salamanders Ltd.

Division - 2 digits by 1 Digit Sheet 2

For Students 3rd - 4th Standards
In this division instructional activity, students divided two-digit numbers by one-digit with remainders. Students complete 12 division problems.
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Worksheet
Math Salamanders Ltd.

Multiplication - 3 Digits by 2 Digits, Sheet 3

For Students 4th - 5th Standards
In this multiplication worksheet, students complete 12 problems, multiplying three-digit numbers by two-digit numbers. A reference website is provided for additional activities.
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Worksheet
Math Salamanders Ltd.

Multiplication - 3-Digits by 2-Digits Sheet 4

For Students 4th - 5th Standards
In this multiplication learning exercise, students complete 12 problems, multiplying 3-digit numbers by 2-digit numbers. A reference website is provided for additional activities.
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Worksheet
Math Salamanders Ltd.

Column Subtraction - 3 Digits Sheet 1

For Students 2nd - 4th Standards
In this column subtraction worksheet, learners review rules to help them complete three-digit subtraction. They then solve the equations using the column subtraction method.
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Worksheet
Curated OER

Column Addition - 2 Digits Sheet 1

For Students 2nd - 3rd Standards
In this column addition problem, students add two-digit numbers with and without regrouping. Students complete 12 addition problems.
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Worksheet
Math Salamanders Ltd.

Column Addition - 2 Digit Sheet 2

For Students 2nd - 3rd Standards
In this column addition learning exercise, students complete two-digit addition problems with and without regrouping. Students complete 12 addition problems.
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Worksheet
Math Salamanders Ltd.

Column Addition - 2 Digits Sheet 3

For Students 2nd - 3rd Standards
In this column addition activity, students add two-digit numbers with regrouping. Students complete 12-column addition problems.
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Worksheet
Math Salamanders Ltd.

Column Subtraction (No Regrouping) 3-digits Sheet 1

For Students 2nd - 4th Standards
In this column subtraction activity, students subtract three-digit numbers from each other without regrouping. Students complete 15 subtraction problems.
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Worksheet
Curated OER

Column addition - 4 digits Sheet 1

For Students 3rd - 5th Standards
In this column addition worksheet, learners add four-digit numbers together with regrouping. Students complete 15 column addition problems.
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Worksheet
Curated OER

Column addition - 4 digits sheet 2

For Students 3rd - 5th
Elementary schoolers add four-digit numbers together with regrouping. Learners complete 15 column addition problems.
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Worksheet
Math Salamanders Ltd.

Column Addition - 4 Digits Sheet 4

For Students 3rd - 5th Standards
In this column addition worksheet, students add four-digit numbers together with regrouping. Students complete 15 column addition problems.
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Worksheet
Math Salamanders Ltd.

Column Subtraction - 4 Digits Sheet 4

For Students 3rd - 5th Standards
In this column subtraction with four digits worksheet, students subtract, rename, and keep the columns aligned to get the correct answer.
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Worksheet
Math Salamanders Ltd.

Column Addition - 4 Digits and Multi-Addends

For Students 3rd - 4th Standards
In this addition worksheet, students complete a set of 12 problems by adding three- and four-digit numbers. A reference website is provided for additional activities.
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Worksheet
Curated OER

Column Subtraction - Money 3-digits Sheet 1

For Students 3rd - 5th
Elementary schoolers subtract 3-digit numbers representing money from each other. They complete 20 subtraction problems with decimals and regrouping.
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Worksheet
Math Salamanders Ltd.

Column Subtraction—3-Digits Sheet 4

For Students 3rd - 5th Standards
Young mathematicians practice subtraction in columns. They complete the instructional activity by solving fifteen three-digit subtraction problems.
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Worksheet
Math Salamanders Ltd.

Column Addition - 5 Digits Sheet 1

For Students 4th - 5th Standards
Here is a column addition with a five-digit activity, in which learners add the five-digit numbers while carrying and keeping the columns aligned.
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Worksheet
Math Salamanders Ltd.

Column Subtraction - 5 Digits Sheet 4

For Students 3rd - 4th Standards
Learners complete 15 problems by subtracting one 5-digit number from another. A reference website is given for additional activities.
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Worksheet
Math Salamanders Ltd.

Column Subtraction - Money 4-Digits Sheet 1

For Students 3rd - 4th Standards
Here is a column subtraction of money with four digits worksheet in which youngsters solve 12 problems without regrouping and eight problems with regrouping.

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