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Worksheet
Curated OER

Add the Lions-Numbers 1-5

For Students K - 2nd
Roar! Adding up to 5 is a lion of a task. Young mathematicians add sets of lions, writing the sum beside each set. There are 6 very cute sets of lions to count and add. 
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Worksheet
Curated OER

Three Plus Two Digit Addition 2

For Students 1st - 3rd
Hone those math skills with this three plus two digit addition worksheet. Learners work to solve 40 problems that require them to add two-digit to three digit numbers, some regrouping is required.
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Worksheet
Curated OER

Add the Hippopotamus: Numbers 1-5

For Students K - 2nd
How many hippos are there? Never more than 5 on this worksheet. Kindergarteners count hippos, add them together, and write the sum in the provided box. There are 6 problems to solve.
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Worksheet
Curated OER

Subtraction Worksheet: Numbers to 19

For Students 1st - 2nd Standards
In this subtraction worksheet, students solve 36 problems in which numbers below 20 are subtracted. The minuend has two digits and the subtrahend has only one.
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Worksheet
Curated OER

Add Three 2-Digit Numbers

For Students 1st - 2nd
In this adding practice activity, students sharpen their problem solving skills as they solve 6 story problems that require them to add three 2-digit numbers.
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Worksheet
Curated OER

Adding Doubles Two Digit Numbers

For Students 2nd - 3rd
In this addition learning exercise, students add doubles facts that are all two digit numbers. Students complete 40 addition problems.
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Worksheet
Curated OER

Addition - one digit numbers

For Students K - 1st
In this addition instructional activity, learners add one digit numbers to each other. Students solve 8 addition problems where they write the sum.
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Worksheet
Curated OER

Addition - one digit numbers

For Students K - 1st
In this addition worksheet, students add one digit numbers to each other. Students solve 8 addition problems where they write the sum.
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Worksheet
Curated OER

Addition: 1 digit numbers

For Students 1st - 2nd
In this addition worksheet, students add one digit numbers together. Students complete 80 addition problems and write the sum.
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Worksheet
Curated OER

6: Adding with Negative Numbers

For Students 6th - 8th
For this adding negative numbers worksheet, learners solve three multi-part short answer problems. Students add negative integers. Learners evaluate addition and subtraction expressions for given values.
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Worksheet
Curated OER

Beginning to Add Decimals Mentally

For Students 1st - 3rd
For this addition worksheet, learners solve ten math problems in which they add a single digit number and a decimal number. Students solve these problems in their head and write the answers in the boxes. The answers are available on the...
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Interactive
2
2
Scholastic

Study Jams! Add & Subtract with Common Denominators

For Students 3rd - 6th Standards
RJ and Zoey are at camp and need to get back to the mess hall for lunch, but they don't know how far they have to walk. Help them figure out the distance while teaching young mathematicians how to add and subtract fractions with this...
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Assessment
Concord Consortium

Perfect Ten

For Students 9th - 12th Standards
How many ways can you make 10? Class members tackle three problems to find all possible ways three numbers add to be 10. The first is with positive integers, secondly with non-negative integers, and finally with real numbers. Pupils also...
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Interactive
CK-12 Foundation

Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction

For Students 6th - 8th Standards
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions. 
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Interactive
CK-12 Foundation

Properties of Rational Numbers: Lollipop Trees

For Students 6th - 8th Standards
A six-question interactive takes mathematicians to Lollipop Land where they manipulate lollipop trees to make equivalent ratios.  Question types include multiple-choice, true or false, and a discussion. 
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Worksheet
1 plus 1 plus 1 equals 1

12 Days of Christmas 12 days of Christmas, Christmas, number sequence, numbers

For Students Pre-K - 1st
It's time to celebrate the 12 days of Christmas with this fun set of full-color printables that would be ideal for early readers and counters during the holidays.
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Worksheet
Curated OER

Add and Subtract within 1000

For Students 1st - 2nd
The visual nature of this worksheet makes it ideal to project for an all-class warm up. Learners first complete two horizontal addition problems involving three-digit addends. Consider whether or not you will encourage them to rewrite...
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Lesson Plan
Curated OER

Order Numbers On a Number Line

For Teachers 5th - 6th
Fifth and sixth graders study the use of a number line to add integers and they observe a teacher demonstration of how to add integers on a number line. Afterward, they construct a number line and use the number line to solve addition...
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Worksheet
Curated OER

Mentally Add and Subtract 10 or 100

For Students 1st - 2nd
Get your mental mathletes in top form with this number sequence worksheet! They must add or subtract 10 from a number to complete these number lines, finding the missing three-digit numeral from a list of answers. Encourage verbal or...
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Worksheet
Curated OER

Add Single Digits

For Students K - 2nd
In these twenty addition worksheets, students add one-digit plus one-digit numbers horizontally. Students find the sums for 200 problems.
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Worksheet
Curated OER

Add Tens and Ones

For Students 1st - 2nd
In this finding the sum instructional activity, students add two-digit plus two digit numbers in ones and tens place values with regrouping. Students solve 12 problems.
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Interactive
CK-12 Foundation

Add and Subtract Three Mixed Numbers: Walking to School

For Students 6th - 8th Standards
Mixed numbers are the focus of a five-question interactive. Scholars move fraction pieces into strips and equations to find solutions. Questions challenge participants with multiple-choice, a true or false, and one discussion.
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Worksheet
Curated OER

Add Tens and Ones

For Students 1st - 2nd
Six story problems challenge young mathematicians to add single- and double-digit numbers. Manipulatives would come in very handy for primary graders tackling this instructional activity. Some of the sums have addends as large as 25 and...
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Worksheet
Curated OER

Add Three Single Digits

For Students 1st - 2nd
The focus of this lesson is practice. Included are 14 worksheets each containing 10 simple single digit problems, where 3 digits are added together to find a sum. Problems are presented in both horizontal and vertical fashion. Note: This...

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