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Lesson Plan
Curated OER

Addition and Subtraction

For Teachers 3rd - 4th
Students complete addition and subtraction activities. In this addition and subtraction lesson, students write a sum with missing numbers or symbols and use parts of their bodies to show the missing symbol or number. Students guess...
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Lesson Plan
Curated OER

Subtracting Greater Numbers

For Teachers 4th - 5th
For this subtracting greater numbers worksheet, students, with a partner, problem solve and calculate the answers to six addition equations.
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Worksheet
Curated OER

90 Addition Facts - Form H

For Students 1st
In this addition worksheet, 1st graders practice finding the sums to 90 single digit problems. They practice the basic addition facts using addends between zero and nine by completing repeated problems.
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Worksheet
Curated OER

Add One Digit Problems to 10

For Students 1st - 2nd
In this math worksheet, students find the sums to the problems using the operation of addition. The answers for them are found on page 4.
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Worksheet
Curated OER

Addition and Subtraction

For Students 2nd - 3rd
In this addition and subtraction worksheet, students analyze a math sentence such as: 16+2 = 12-6. Students solve the problems on each side of the equal sign, and mark "true" if the answers are the same and "false" if they are different....
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Worksheet
Curated OER

Add and Subtract within 20 - Guided Lesson Explanation

For Students 2nd
Provide second graders with an explanation for how to find the total value of numbers written in a series of boxes.. The resource provides answers and explanations for problems on a referenced worksheet that is not included.
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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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Worksheet
Curated OER

Year 6 Booster Pg. 9

For Students 3rd
In this mixed number sense learning exercise, 3rd graders are asked to solve 4 problems using multiplication and write the missing digit in 4 numbers for 2 three digit addition problems.
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Lesson Plan
Pennsylvania Department of Education

Adding and Subtracting Three-Digit Numbers by Jumping

For Teachers 2nd
Second graders use data to graph information and draw conclusions. In this instructional activity on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot...
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Worksheet
Curated OER

Mental Division Year 4

For Students 3rd - 4th
In this finding the quotients in word problems worksheet, students divide two-digit and three-digit numbers by one-digit numbers and find the factors of numbers. Students solve 12 problems.
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Worksheet
Curated OER

Learn Symbols + and =

For Students K - 1st
In this addition and equals worksheet, students complete the one digit math problems and then read the number sentences using the "addition" and "equals" signs correctly. Students complete 10 problems.
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Worksheet
Curated OER

Expanded Form (S)

For Students 3rd - 5th
For this numbers in expanded form practice worksheet, students examine 12 three-digit numbers and then write them in expanded form.
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Worksheet
Curated OER

Squares and Square Roots

For Students 7th - 8th
In this square and square root worksheet, students identify the square root of given numbers. In addition, they identify the value of two-digit numbers set to the second power. In this one-page worksheet, seven of the ten problems are...
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Worksheet
Curated OER

Adding 10

For Students 2nd - 3rd
In his adding 10 worksheet, students find sums, adding 10 to one-digit numbers and solving 4 word problems. A website reference for additional resources is given.
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Activity
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Resources for Educators

Math & Science Connection

For Teachers Pre-K - 3rd Standards
Whether you're using a collection of Dr. Seuss books to teach basic math skills like counting, adding, and subtracting, or exploring the different states of matter by melting a crayon with a hairdryer, a series of 11 fun activities...
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Lesson Plan
EngageNY

Comparing Methods—Long Division, Again?

For Students 10th - 12th Standards
Remember long division from fifth grade? Use the same algorithm to divide polynomials. Learners develop a strategy for dividing polynomials using what they remember from dividing whole numbers.
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Lesson Plan
Curated OER

Ten Sly Piranhas: A Counting Story in Reverse

For Teachers 2nd - 3rd
Young scholars solve related addition and subtraction problems. In this addition and subtraction instructional activity, students use the book Ten Sly Piranhas by William Wise as the source of word problems for young scholars to solve.
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Worksheet
Curated OER

Permutations

For Students 11th - 12th
For this permutations worksheet, students solve 10 different problems that include determining various permutations. First, they find the number of ways to arrange the number or letters in each group. Then, students list the permutations...
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Worksheet
Curated OER

Which Operation To Use?

For Students 2nd
In this basic addition and subtraction worksheet, 2nd graders will determine the correct operation to use. Students will study 8 problems and the given answer, deciding if the correct sign to use will represent addition or subtraction.
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Worksheet
Curated OER

Division Practice: Valentine's Day

For Students 3rd - 4th
In this long division worksheet, students solve 16 problems in which three digit numbers are divided by single digit divisors. This is long division with no remainders. The page is labeled with a valentine theme and has 3rd grade written...
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Worksheet
Curated OER

Guess a Birthday

For Students 4th - 12th
In this birthday worksheet, students perform given algorithms.  Upon performing all problems correctly, the student's final answer will be his/her birthday.  This one-page worksheet contains 8 problems. 
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Worksheet
Curated OER

Expanded Form (R)

For Students 4th - 6th
In this numbers in expanded form practice worksheet, students examine 12 three-digit numbers and then write them in expanded form.
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Worksheet
Curated OER

Expanded Form (T)

For Students 3rd - 4th
In this numbers in expanded form practice instructional activity, students examine 12 three-digit numbers and then write them in expanded form.
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Worksheet
Curated OER

Counting on

For Students 1st - 2nd
In this math worksheet, students practice addition of one digit numbers by completing 15 problems. Students then use a number line to solve 6 more addition problems.