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PPT
Curated OER

Mental Math: 5 a Day

For Teachers 4th - 5th
This is a really cool math resource! There are nineteen different slides containing five math problems each. They are intended to be used as daily math warm ups and address skills such as, addition, problem solving, missing addends, word...
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PPT
Curated OER

Numeracy Starters

For Teachers 3rd - 5th
If you like to start each day with a new math challenge or warm-up, this resource is a must have. It includes 36 slides, each containing a different math challenge that stimulates algebraic reasoning, problem solving, and basic math...
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Lesson Plan
Curated OER

Ten Little Black Dots

For Teachers 2nd
Second graders use black and red construction paper to symbolize different one digit numbers that add up to 10. In this sums to 10 lesson plan, 2nd graders discover different combinations and patterns that can lead them to the number 10.
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Lesson Plan
Curated OER

Understanding 10: Backwards and Forwards

For Teachers Pre-K - 2nd
Help your young mathematicians completely master 10 by practicing one-to-one correspondence, number recognition, and recording numbers displayed. They make 10 with groups of two-different colored cubes and color in 10-frames to show how...
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Worksheet
Curated OER

Addition Problems

For Students K - 1st
Here are 25 simple addition problems, all of which include two addends under six. This is a print-and-go learning exercise, and because it has a graphic of a kangaroo, you can reference the kangaroo math page to help learners stay with...
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Worksheet
Math Worksheets Land

Adding Objects in Rectangular Arrays - Matching Worksheet

For Students 1st - 2nd Standards
Each of these number sentences has a corresponding set of blocks, which will no doubt help your visual learners grasp multiple-addend addition. Learners examine the sentences and match them to their block representation. Consider also...
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Worksheet
Helping with Math

Addition: Number Bonds to 20

For Students 1st - 3rd Standards
Pupils fill in the missing addend to an addition problem that adds up to 20. This number could be a one-digit or two-digit number. They complete a total of  41 missing addend problems. Answers are available.
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Interactive
CK-12 Foundation

Decimal Addition: Adding Little Pieces

For Students 4th - 6th Standards
A five-question interactive test scholars' knowledge of adding and subtracting decimals. A tool aids in problem-solving with movable parts that reveal addends and sums. Question types include one discussion, fill and in the blank, and...
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Learning
Royal Baloo

Star Wars K-2nd Math Pack

For Students K - 2nd Standards
Included in a Star Wars themed packet, young padawans enhance mathematical skills such as graphing, computing using basic operations, counting numbers and money, telling time, and measuring. Scholars play a game of sudoku, read number...
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Worksheet
Curated OER

Ones and Tens Place Value

For Students 1st - 3rd
As scholars examine place value, these exercises help them incorporate addition and grouping. First, they answer three missing-addend questions, each with 10 as the given addend. Because all of the missing numbers are single-digit, this...
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Worksheet
Curated OER

More Addition

For Students 4th - 5th
Turn your mathematicians into addition superstars with these multiple-addend equations. They add up three, four, and five-digit numbers to find the sums, a few of which are six-digit numbers. The twelve vertically aligned equations...
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Worksheet
Curated OER

Add Different Digits - Vertical

For Students 3rd - 4th
In this finding the sums worksheet, students add mixed numbers from two-digits to five digits with regrouping. Students solve 12 problems. 
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Worksheet
Math Worksheets Land

Add and Subtract within 100- Guided Lesson

For Students K - 2nd Standards
Word problems are the name of the game here, and each one comes with an image to help learners visualize the math operation. Careful, though; the visual for the first scenario is confusing. The problem gives a total number of sports...
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Worksheet
Curated OER

Add and Subtract within 1000

For Students 2nd - 3rd
There are some missing parts in these addition and subtraction problems. Scholars start by completing two number sentences, each involving all three-digit numbers. Then, they examine another number to determine the value of the tens...
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Worksheet
DK Publishing

Addition Practice Worksheet (Adding Three 2-digit Numbers)

For Students 2nd - 3rd Standards
Three addends stack up for some strenuous sum practice! All of the numbers are double-digits, and regrouping is often necessary. Challenge your second graders or provide practice for older mathematicians with this assignment. An answer...
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Worksheet
Curated OER

Two Digit Addition Worksheet #3: Find the Missing Number

For Students 2nd - 3rd
In this addition activity, students solve 20 problems in which a missing number in the problem is filled in. Students analyze the two numbers that are provided and fill in the third to make the problem correct.
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Worksheet
Curated OER

Math Worksheets Addition Worksheet: 2-Digit Addends

For Students 3rd - 4th
In this addition worksheet, students illustrate their understanding of the concept by responding to 20 problems adding 2-digit numbers and providing the correct computation.
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Worksheet
Curated OER

Missing Sums and Addends

For Students 3rd - 4th
In this recognizing two-digit addition facts worksheet, learners use a number line and addition facts to find the missing sums or addends in problems with and without regrouping. Students solve 20 problems.
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Worksheet
Curated OER

Addition: Number Bonds to 100

For Students 3rd - 5th Standards
In this addition instructional activity, students fill in the missing addend for problems that add up to 100. Students complete 41 problems.
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Worksheet
Curated OER

Missing Addend (2 through 5)

For Students 3rd - 4th
In this addition learning exercise, students find the missing addend in each problem. Students have thirty-two problems where they are to find the missing number that correctly completes the addition problem.
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Lesson Plan
Curated OER

Visual and Number Patterns

For Teachers 4th
Fourth graders develop strategies for identifying geometric and number patterns. In this mathematical patterns lesson, 4th graders use pattern blocks to make repeating patterns with numbers and shapes. Students then explore number...
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Worksheet
Curated OER

Adding 2 Small Numbers

For Students 2nd - 3rd
In this math worksheet, students practice adding two small numbers by completing 100 problems. All addends are under 20. Problems are written horizontally.
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Lesson Plan
Curated OER

Book Title: One is a Snail, Ten is a Crab

For Teachers K - 3rd
Students read a story and write math problems.  In this reading and math comprehension instructional activity, students preview and read the book "One is a Snail, Ten is a Crab".  Students predict ways to get a sum of 11, write math...
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Worksheet
Curated OER

Add and Subtract to 100

For Students 1st - 3rd
These addition and subtraction problems probably aren't written the way your scholars are used to seeing them, especially since they have double-digit addends and subtrahends. This set of eight horizontal equations gives learners a...