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Worksheet
Curated OER

Understanding Subtraction

For Students 2nd
In this subtraction worksheet, 2nd graders use number lines in order to internalize the use of term "take from" when doing subtraction. They hop back on the number line as they take one number from another in 3 problems.
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Worksheet
Curated OER

Subtract Single Digits From Multiples of 100

For Students 2nd - 4th
In this subtraction worksheet, students complete a total of 9 problems, subtraction single digit numbers from multiples of 100, then complete an additional 9 problems, subtracting from multiples of 1000.
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Worksheet
Curated OER

Subtract From 15

For Students 2nd - 3rd
In this subtraction instructional activity, students solve 8 problems in which a single digit is subtracted from 15. Students then solve 8 problems in which numbers are subtracted from 17.
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Worksheet
Curated OER

Answer Me, Color Me!

For Students 1st - 2nd
In this answer me, color me activity, students solve the subtraction problem (from 1-10), then find the corresponding color word in the key and color the picture.
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Lesson Plan
For the Teachers

$1 Math

For Teachers 2nd - 7th Standards
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate simple sums.
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Lesson Plan
Curated OER

The Grouchy Ladybug

For Teachers 1st - 2nd
Students complete a Cirlce Map about time. They recall times during the grouchy ladybugs travels, and add dots on ladybugs using turn-around facts. Pupils correctly sequence the events of The Grouchy Ladybug. Students compose new...
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Lesson Plan
Curated OER

Equal Shmequal by Virginia Kroll

For Teachers 1st - 3rd
Students read a book and complete exercises to explore the meaning of 'equals.' In this equal numbers lesson, students brainstorm the meaning of equals and read a story about the topic. Students use manipulatives to study balance and...
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Lesson Plan
Curated OER

Math Mission

For Teachers 2nd
Second graders investigate the concept of Puerto Rican animals through using math word problems. They create a story to correlate with the word problems. The lesson also uses data of species counts to show increases and decreases for...
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Lesson Plan
Curated OER

Math Cubes

For Teachers K - 2nd
Students practice addition and subtraction while making and then playing a game. In this addition and subtraction lesson, students will make dice using a cube tracer and number and number sign tracers to make the numbers and number...
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Lesson Plan
Curated OER

Reversing Numbers

For Teachers 2nd
Second graders solve a math word problem involving the addition of two digit numbers. They discuss the problem as a class, independently explore the problem, and discuss as a class the solution and how they organized their reversed...
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Worksheet
Curated OER

Write a Number Sentence

For Students 1st - 2nd
In this early childhood math practice learning exercise, students write addition and subtraction number sentences in order to solve 6 story problems.
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Lesson Plan
Curated OER

Chart Trivia

For Teachers 1st - 3rd
Students practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.
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Lesson Plan
Curated OER

Making It Balance

For Teachers K - 2nd
Learners listen to story, "The 100-Pound Problem," compare their weight with character in story, and weigh different classroom items using nonstandard units and standard units. They experiment with different items that can make scale...
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Worksheet
Curated OER

Math Mania Using 6 and 7

For Students 1st - 2nd
In these addition facts worksheets, students enhance their addition skills using 6 and 7. Students solve 25 addition problems per day and 125 per week in the weekly math activity.
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Lesson Plan
Pennsylvania Department of Education

Comparing Sets

For Teachers Pre-K - 2nd
Students count back with cubes to model subtraction problems. In this subtraction lesson plan, students compare sets of problems and record their results in a table.
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Lesson Plan
Curated OER

Pop-A-Top Math Game

For Teachers K - 2nd
Students play pop-a-top math game to practice solving addition, subtraction, multiplication, and division problems.
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Worksheet
Curated OER

Mixed Review

For Students 1st - 2nd
In this math worksheet, students solve the problems using the operation of addition to fill in the missing addends. They also apply some basic knowledge of geometry to solve the second set of questions.
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Lesson Plan
Curated OER

The Nature of Mathematics

For Teachers K - 2nd
Students work in groups to describe plants using numbers. For this number lesson, students use numbers to define plants and then use numbers to write descriptions of themselves.
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Lesson Plan
Curated OER

Subtracting Whole Numbers

For Teachers 2nd
Second graders practice subtracting numbers by using a visual aide.  For this number sense lesson, 2nd graders complete whole number subtraction problems by utilizing manipulative cubes to visualize the equation.  Students complete a...
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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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Worksheet
Curated OER

Subtracting Numbers up to 10

For Students 1st - 2nd
In this subtraction worksheet, students complete a set of subtraction problems as quickly as they can; problems utilize numbers 1-10 only. An answer key is included.
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Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 2nd - 5th
Learners perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Learners apply their multiplication, division, addition, and subtraction skills.
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Worksheet
Curated OER

Math Worksheet (6)

For Students 2nd - 4th
In this subtraction worksheet, students work to increase their single-digit subtraction skills. They work through twenty-five problems subtracting the number six from numbers ranging from one to ten.
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Worksheet
Curated OER

Subtracting From a Single Digit

For Students 1st - 2nd
In this subtraction activity, students solve 10 subtraction problems with single digit numbers. Students place their answers in the boxes provided.

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