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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 Standards
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 lesson, they analyze and write about their work using complete sentences, correct grammar, and spelling. For a...
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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...
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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.

Division - 2 digits by 1 Digit Sheet 2

For Students 3rd - 4th Standards
In this division instructional activity, learners 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 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 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.

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
Math Salamanders Ltd.

Column Addition—4 Digits Sheet 5

For Students 2nd - 4th Standards
Learners write out and solve 12 horizontal four-digit addition 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.

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 12 two-digit addition problems with and without regrouping.
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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
Math Salamanders Ltd.

Column Addition - 4 Digits Sheet 2

For Students 3rd - 5th Standards
Elementary schoolers add four-digit numbers together with regrouping. Students 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
Math Salamanders Ltd.

Column Subtraction - Money 3-digits Sheet 1

For Students 3rd - 5th Standards
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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